US20040013770A1 - Blunt edge dough cutter - Google Patents
Blunt edge dough cutter Download PDFInfo
- Publication number
- US20040013770A1 US20040013770A1 US10/424,340 US42434003A US2004013770A1 US 20040013770 A1 US20040013770 A1 US 20040013770A1 US 42434003 A US42434003 A US 42434003A US 2004013770 A1 US2004013770 A1 US 2004013770A1
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- dough
- dough sheet
- blunt
- cutter
- sheet
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- A—HUMAN NECESSITIES
- A21—BAKING; EDIBLE DOUGHS
- A21C—MACHINES OR EQUIPMENT FOR MAKING OR PROCESSING DOUGHS; HANDLING BAKED ARTICLES MADE FROM DOUGH
- A21C3/00—Machines or apparatus for shaping batches of dough before subdivision
- A21C3/10—Machines or apparatus for shaping batches of dough before subdivision combined with dough-dividing apparatus
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- A—HUMAN NECESSITIES
- A21—BAKING; EDIBLE DOUGHS
- A21C—MACHINES OR EQUIPMENT FOR MAKING OR PROCESSING DOUGHS; HANDLING BAKED ARTICLES MADE FROM DOUGH
- A21C11/00—Other machines for forming the dough into its final shape before cooking or baking
- A21C11/02—Embossing machines
- A21C11/04—Embossing machines with cutting and embossing rollers or drums
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- A—HUMAN NECESSITIES
- A21—BAKING; EDIBLE DOUGHS
- A21C—MACHINES OR EQUIPMENT FOR MAKING OR PROCESSING DOUGHS; HANDLING BAKED ARTICLES MADE FROM DOUGH
- A21C11/00—Other machines for forming the dough into its final shape before cooking or baking
- A21C11/10—Other machines for forming the dough into its final shape before cooking or baking combined with cutting apparatus
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- A—HUMAN NECESSITIES
- A21—BAKING; EDIBLE DOUGHS
- A21C—MACHINES OR EQUIPMENT FOR MAKING OR PROCESSING DOUGHS; HANDLING BAKED ARTICLES MADE FROM DOUGH
- A21C7/00—Machines which homogenise the subdivided dough by working other than by kneading
- A21C7/06—Machines which homogenise the subdivided dough by working other than by kneading combined with dividing machines with radial, i.e. star-like, cutter-blades slidable in the slots of, and relatively to, a pressing-plunger
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- A—HUMAN NECESSITIES
- A21—BAKING; EDIBLE DOUGHS
- A21C—MACHINES OR EQUIPMENT FOR MAKING OR PROCESSING DOUGHS; HANDLING BAKED ARTICLES MADE FROM DOUGH
- A21C9/00—Other apparatus for handling dough or dough pieces
- A21C9/08—Depositing, arranging and conveying apparatus for handling pieces, e.g. sheets of dough
- A21C9/085—Separating, spacing, orienting or aligning discrete dough pieces, e.g. after passing a cutting device
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T83/00—Cutting
- Y10T83/04—Processes
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T83/00—Cutting
- Y10T83/04—Processes
- Y10T83/05—With reorientation of tool between cuts
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T83/00—Cutting
- Y10T83/647—With means to convey work relative to tool station
- Y10T83/6656—Rectilinear movement only
Definitions
- the present invention deals with a dough cutter. More specifically, the present invention deals with a dough cutter used to make bread products having aesthetically pleasing appearances.
- a sheet of bread dough may typically be extruded, reduced, and provided to a conveyor which conveys the sheet of dough along a dough travel path.
- the sheet of dough then encounters one or more cutting apparatus, such as slitter wheels, guillotine-type cutters, reciprocating head cutters, or rotatable drum-type cutters.
- Such cutters traditionally, have employed very thin or sharp cutting edges in order to cut the dough. For instance, many such cutting edges are only approximately ⁇ fraction (1/32) ⁇ of an inch thick.
- conventional wisdom dictates that, when cutting dough, without crimping or performing other types of dough forming functions, the thinner the cutting edge is the better. This requires less cutting pressure and results in less dough displacement from the cut.
- a dough cutting apparatus is suitable for cutting a sheet of dough.
- the dough cutting apparatus includes a structure defining a blunt dough engaging portion.
- the present invention can be embodied in a number of different ways, including a wheel cutter, a rotary drum cutter, a reciprocating head cutter, or another type of cutter.
- FIG. 1 illustrates an elevated side view of a dinner roll cut using a prior art dough cutter.
- FIG. 2 illustrates an elevated side view of a bun or dinner roll cut in accordance with the present invention.
- FIG. 3 illustrates a dinner roll cutter in accordance with one aspect of the present invention.
- FIG. 4 is a bottom plan view of the dinner roll cutter shown in FIG. 3.
- FIG. 5 illustrates a cutting operation using the dinner roll cutter shown in FIGS. 3 and 4.
- FIGS. 6A and 6B illustrate another embodiment of a dough cutter in accordance with one aspect of the present invention.
- FIGS. 7A and 7B illustrate another embodiment of a dough cutter in accordance with the present invention.
- FIGS. 8 A- 8 H illustrate additional embodiments of dough cutters in accordance with the present invention.
- FIGS. 9 and 9B illustrate another embodiment of a dough cutter in accordance with one aspect of the present invention.
- FIGS. 10 A- 10 E illustrate utilizing the present invention to cut a set of buns or loaves in accordance with one aspect of the present invention.
- FIG. 11A illustrates a hex cutter in accordance with one aspect of the present invention.
- FIG. 11B illustrates the cutter shown in FIG. 11A with a pattern imprinter portion.
- FIG. 11C illustrates a compression roller and cutter bar arrangement in accordance with one aspect of the present invention.
- FIG. 12 illustrates a reciprocating head cutter in accordance with one aspect of the present invention.
- FIG. 13 illustrates a walking head cutter in accordance with one aspect of the present invention.
- FIGS. 14A and 14B illustrate a rotary drum cutter in accordance with one aspect of the present invention.
- FIG. 1 illustrates a dinner roll 10 cut using a method and cutter in accordance with the prior art. It can be seen that dinner roll 10 has sharp, substantially squared off corners, where it was cut from a sheet, or another piece, of dough.
- FIG. 2 illustrates a bun or roll 12 which is cut using a cutter or system in accordance with one aspect of the present invention. It can be seen that roll 12 has rounded edges 14 , rather than the squared or sharply cut edges of roll 10 illustrated in FIG. 1.
- FIG. 3 illustrates a sheet of bread dough 15 and a cross-section of a cutter 16 in accordance with one aspect of the present invention
- bread dough the present discussion refers to a dough which can be rather sticky, to a dough which is rather dry and which falls in a range of approximately 600 BUs to approximately 1200 BUs.
- cutter 16 is substantially round in shape. However, it will be appreciated that cutter 16 can take substantially any shape, and still maintain inventive aspects of the present invention.
- Dough cutter 16 has a cutting portion 18 , which engages, and cuts, dough sheet 15 .
- Cutting portion 18 in the embodiment illustrated in FIG. 3, is rounded or blunt.
- Blunt cutting portion 18 in one preferred embodiment, has a radius of curvature of at least approximately 1 ⁇ 8-1 ⁇ 4, inch.
- Blunt portion 18 is formed about the bottom of annular ring 20 , which defines the cutting depth of cutter 16 .
- the thickness of annular ring 20 in another preferred embodiment, is at least approximately 1 ⁇ 4 inch. More preferably, the thickness of annular ring 20 is in a range of approximately 1 ⁇ 4-1 ⁇ 2 inch.
- FIG. 4 is a bottom plan view of cutter 16 illustrated in FIG. 3.
- FIG. 3 simply illustrates that, in the embodiment illustrated in FIGS. 3 and 4, cutter 16 has a substantially similarly shaped inner edge 22 and outer edge 24 .
- FIG. 5 illustrates use of dough cutter 16 in cutting dough sheet 15 .
- cutter 16 can be mounted to one of any number of different types of cutting mechanisms which either press cutter 16 onto dough sheet 15 , or cause dough sheet 15 to be pressed into cutter 16 .
- cutting portion 18 of cutter 16 engages a surface 26 of dough sheet 15 .
- cutter 16 is pressed against upper surface 26 of dough sheet 15 , toward lower surface 28 of dough sheet 15 .
- cutting portion 18 begins to make an impression in the upper surface 26 of dough sheet 15 .
- cutting portion 18 is wide enough such that frictional engagement between the upper surface 26 of dough sheet 15 and cutting portion 18 acts to draw, or pull, the top surface 26 of dough sheet 15 downwardly, as indicated by arrows 30 , toward the bottom surface 28 .
- the pressure exerted by cutting portion 18 also acts to seal top surface 26 of dough sheet 15 to bottom surface 28 .
- This results in a more rounded cut dough product 12 as indicated in FIG. 2.
- FIGS. 6A and 6B are a side sectional view, and a bottom plan view, respectively, of another embodiment of a cutter 31 in accordance with the present invention illustrated without dough.
- Cutter 31 is similar to cutter 16 illustrated in previous figures.
- Cutter 31 has a dough engaging, cutting portion 34 , which is relatively thick, or blunt, as compared to prior art cutters.
- cutting portion 34 has an inner rounded dough engaging portion which is rounded to a radius of curvature of at least approximately 1 ⁇ 8 inch. More preferably, the radius of curvature is in a range of approximately 1 ⁇ 8-1 ⁇ 4 inch.
- the annular ring which forms the depth of cutter 31 may be in a range of approximately 1 ⁇ 4-1 ⁇ 2 inch thick.
- cutter 31 also has an additional cutting edge 32 .
- Edge 32 in the embodiment illustrated in FIGS. 6A and 6B, forms an annular ring generally disposed about the outer periphery of cutter 31 , and is much narrower than the remainder of the annular ring which forms the depth of cutter 31 .
- cutting edge 32 is only approximately ⁇ fraction (1/16) ⁇ of an inch, or less, in thickness.
- Cutting edge 32 protrudes from dough engaging portion 34 by a distance 36 which, in one illustrative embodiment, is approximately ⁇ fraction (1/16) ⁇ of an inch or less. If used only as a single cutter, or if used on a cutting head (such as illustrated in FIGS.
- the thickness of blunt dough engaging portion 34 can be rounded to approximately 1 ⁇ 8 inch radius of curvature such that the overall thickness of portion 34 and edge 32 is approximately ⁇ fraction (3/16) ⁇ of an inch.
- Cutting edge 32 can be a flat edge, or it can be sharpened or tapered. Therefore, cutting edge 32 actually severs dough sheet 15 , while dough engaging portion 34 , which is relieved from the cutting edge 32 , provides a blunt dough engaging surface which is sufficiently thick to frictionally engage, and pull, the top surface 26 of dough sheet 15 toward the bottom surface 28 thereof, and to seal the two together (or pinch them together with possibly only a small gap between the two caused by edge 32 ), in order to provide the eventual rounded dough product. Since cutting edge 32 is provided, the cutting pressure required to cut through, or sever, dough sheet 15 has been observed to be less than that required for a cutter (such as cutter 16 illustrated in the previous figures) which has no such cutting edge.
- FIG. 7A shows a preprocessing station 40 , dough sheet 15 conveyed on a conveyor which is driven by at least one of rollers 42 and 44 , a post processing station 46 , and a plurality of rotatable wheel (or slitter wheel) cutters, 48 , 50 and 52 .
- Preprocessing station 40 simply illustrates that dough sheet 15 may typically be extruded, reduced, or processed in some other manner and provided to the conveyor carried by rollers 42 and 44 in the direction indicated by arrow 54 .
- Cutters 48 , 50 and 52 are rotatably mounted relative to the conveyor, preferably about an axle 56 .
- Cutters 48 , 50 and 52 each have an outer diameter which is preferably at least six times as large as the thickness of the dough, and even more preferably is at least 10-12 times as large or more.
- Cutters 48 , 50 and 52 are mounted relative to the conveyor such that, when dough sheet 15 is traveling in the direction indicated by arrow 54 , cutters 48 , 50 and 52 engage the dough sheet and sever it, to provide a plurality of cuts in dough sheet 15 .
- Cutters 48 , 50 and 52 can either be positively driven, or simply driven by the frictional engagement between the cutters and dough sheet 15 or the conveyor. After the cuts are made in dough sheet 15 , dough sheet 15 continues traveling in the direction indicated by arrow 54 to post processing station 46 .
- Post processing station 46 can include, for example, cutting, proofing, baking, freezing, and/or packaging.
- FIG. 7B is a side view of a portion of system 38 shown in FIG. 7A, and, similar items are similarly numbered.
- FIG. 7B better illustrates conveyor 56 which is driven by rollers 42 and/or 44 .
- FIG. 7B illustrates that cutters 48 , 50 and 52 extend all the way through dough sheet 15 to lightly engage conveyor 56 and thereby completely sever dough sheet 15 .
- FIGS. 8 A- 8 H illustrate different embodiments of cutters 48 , 50 and 52 .
- each of the wheels is designated as cutter 48 .
- the wheels can be positioned substantially anywhere along dough sheet 15 .
- FIG. 8A illustrates that cutter 48 simply has a rounded or blunt outer periphery which has a thickness 58 which is preferably in a range of approximately 1 ⁇ 4-1 ⁇ 2 inch.
- the blunt outer periphery of cutter 48 is rounded to a radius of curvature preferably in a range of 1 ⁇ 8-1 ⁇ 4 inch.
- the outer periphery of cutter 48 as it cuts dough sheet 15 , performs a similar action to cutter 16 illustrated in FIG. 5.
- cutter 48 frictionally engages the upper surface of dough sheet 15 and pulls or draws it downwardly toward the lower surface of dough sheet 15 , thus sealing the two together and severing or cutting the dough sheet.
- FIG. 8B illustrates an embodiment of cutter 48 similar to that shown in FIG. 8A, and similar items are similarly numbered.
- FIG. 8B illustrates that the outer periphery of cutter 48 is provided with a narrow cutting edge 62 which is similar to cutting edge 32 in FIGS. 6A and 6B.
- FIG. 8B also illustrates that cutter 48 has a dough engaging portion 64 , which is blunt, and which is roughly 1 ⁇ 4-1 ⁇ 2 inch thick and is preferably rounded with a radius of curvature of 1 ⁇ 8-1 ⁇ 4 inch.
- Dough engaging portion 64 is preferably relieved from the outer periphery of cutting edge 62 by a distance 66 which is no greater than approximately ⁇ fraction (1/16) ⁇ of an inch.
- cutting edge 62 preferably has a thickness 68 which is on the order of approximately ⁇ fraction (1/16) ⁇ of an inch or less and may be a flat edge or tapered to a sharpened edge.
- Cutter 48 as illustrated in FIG. 8B, thus cuts dough sheet 15 in a similar manner to cutter 31 illustrated in FIG. 6A.
- Cutting edge 62 provides a sharper edge such that the cutting force which needs to be applied to dough sheet 15 is significantly less than that with respect to the embodiment illustrated in FIG. 8A.
- cutter 48 since dough engaging portion 64 is provided, and is only relieved from the cutting edge 62 by a short distance, cutter 48 , as illustrated in FIG. 8B, maintains the benefit of a more rounded type cut than if the entire cutter were formed of the same thickness as cutting edge 62 .
- FIGS. 8C and 8D illustrate yet another embodiment of cutter 48 in accordance with one aspect of the present invention.
- the cutter 48 illustrated in FIG. 8C is similar in many respects to that illustrated in FIG. 8B, and similar items are similarly numbered.
- cutter 48 of FIG. 8C also has a thicker portion 70 which is radially disposed toward the center of cutter 48 .
- portion 70 is offset from a radial outer portion 72 by a transition region 74 which comprises either a step (as shown in FIG. 8C) or a taper, or another transition configuration.
- the more central portion 70 of cutter 48 has a thickness 76 which is greater than approximately 1 ⁇ 2 inch.
- portion 70 is relieved from cutting edge 62 by a distance 78 which is at least as great as the thickness of dough sheet 15 . Therefore, central portion 70 provides greater structural support to cutter 48 than the embodiment illustrated in FIG. 8B.
- cutter 48 illustrated in FIG. 8C obtains the advantages associated with cutter 48 as illustrated in FIG. 8B.
- FIG. 8D is simply a side view of the cutter 48 illustrated in FIG. 8C, and better illustrates one exemplary location of the transition section 74
- FIGS. 8 E- 8 G illustrate further embodiments of cutter 48 , the features of which can be applied to other types of cutters such as those shown in the other figures.
- FIG. 8E shows that cutter 48 has a dough engaging portion 69 which has rounded corners 71 and 73 but which has a generally flattened region 75 therebetween. Corners 71 and 73 are rounded sufficiently to avoid breaking the skin on the upper surface of dough sheet 16 until the upper skin has been stretched and drawn toward the lower skin and pinched thereto. The faster dough sheet 15 moves, the more likely cutter 48 is to break the skin, so the more blunt or rounded the corners should be.
- FIG. 8F shows cutter 48 which is similar to cutter 48 in FIG. 8E and similar items are similarly numbered.
- Cutter 48 shown in FIG. 8F includes corners 71 and 73 and flattened portion 75 .
- flattened portion 75 also has raised edge 62 , which is similar to that illustrated in FIGS. 8 B- 8 D. Therefore, cutter 48 illustrated in FIG. 8F can obtain the same advantages as cutter 48 illustrated in FIG. 8E, but with less cutting pressure required to sever dough sheet 15 .
- FIG. 8G illustrates cutter 48 with a lower portion 77 .
- Lower portion 77 includes corners 79 and 81 , which can either be rounded or sharp, and which lead to tapering portions 83 and 85 .
- Tapering portions 83 and 85 taper to a most extreme outer peripheral edge 87 of cutter 48 .
- the angle defined by tapering portions 83 and 85 is a relatively large angle, and is sufficient such that the extreme outer periphery 87 avoids breaking the skin of dough sheet 51 , until that skin has been drawn toward the opposite skin, and pinched or sealed thereto.
- corners 79 and 81 are preferably rounded, but are at least formed at angles which are sufficiently large to avoid breaking the dough skin which it engages, until it is pinched or sealed to the opposite dough skin.
- FIG. 8H illustrates yet another cutter 48 .
- Cutter 48 illustrated in FIG. 8H is similar to that illustrated in FIG. 8F.
- ridge 62 is replaced by a plurality of ridge section 62 A.
- Ridge sections 62 A are sized and dimensioned similarly to ridge 62 , except that they are discontinuous along the outer periphery of cutter 48 . Ridge sections 62 A thus provide a perforation, rather than a clean cut or sever.
- Such a cutter can be used for any desirable application, and may specifically be used as any of cutters 92 - 98 for the application illustrated in FIGS. 10 A- 10 D, as will be described later in the specification.
- FIGS. 9A and 9B illustrate a system 80 for cutting a thicker sheet of dough 15 .
- System 80 is similar to system 38 illustrated in FIG. 7A, and similar items are similarly numbered.
- system 80 also includes two additional sets 82 and 84 of rotatable wheel cutters, which are generally aligned with, and located upstream of, wheel cutters 48 , 50 and 52 .
- the sets 82 and 84 of wheel cutters are similar to wheel cutters 48 , 50 and 52 , except that they are each set to depress into dough sheet 15 at different depths.
- FIG. 9B is a side view illustrating the different depths of cutting or depression.
- FIG. 9B illustrates that the set of rotatable wheel cutters 84 only make a small depression into the surface of dough sheet 15 .
- This depression does not break the skin on the surface of dough sheet 15 , but only acts to locally stretch the skin toward the conveyor, in the area of the depression.
- the second set of rotatable wheel cutters 82 which is located downstream of set 84 , depresses somewhat further into dough sheet 15 , but still does not sever dough sheet 15 .
- the set of cutters illustrated in FIG. 9A which includes wheel 52 , on the other hand, extends all the way into, and severs, dough sheet 15 , thus completing the cut.
- the sets of wheel cutters 82 and 84 can have any of the configurations illustrated in FIGS. 8 A- 8 G. Depending on their purpose, the cutters can also be implemented as illustrated in FIG. 8H. Similarly, more or fewer sets of wheel cutters can be used based on a particular dough thickness and line speed. Further, different cutter wheel thicknesses may be used at different locations relative to the dough sheet.
- buns or loaves which are distinct from one another, but which are still attached to one another, in groups.
- buns can be ganged together in any desired number.
- Such ganged buns or loaves can also be used in other applications.
- FIGS. 10 A- 10 B illustrate a system 86 for forming buns or loaves in such a ganged fashion.
- System 86 shows dough sheet 15 moving in a direction 54 , as indicated in previous figures.
- system 86 includes a set 88 of rotatable wheel cutters and a guillotine-type cutter 90 located downstream of the set 88 of rotatable wheel cutters
- the set 88 of rotatable wheel cutters includes cutters 92 , 94 , 96 , and 98 , all of which at least depress into dough sheet 15 and locally stretch the skin of one surface of dough sheet 15 toward the opposite skin.
- wheels 94 and 96 do not cut all the way through dough sheet 15 , but instead stop just short of severing dough sheet 15 .
- FIG. 10B This is indicated in greater detail in FIG. 10B. It can be seen that rotatable cutters 92 and 98 are positioned relative to the conveyor conveying dough sheet 15 to sever dough sheet 15 , while cutters 94 and 96 are not. Therefore, as dough sheet 15 passes the set 88 of cutters, four depressions are made, only two of which sever dough sheet 15 . The dough then travels to guillotine-type cutter 90 which makes a transverse cut, periodically, in dough sheet 15 such that the cut dough pieces are the desired length such as the length of hot dog buns. It should be noted that guillotine-type cutter 90 can be a blunt edge cutter in accordance with the present invention as well. Further, as illustrated in FIG. 10E, which is a bottom view of cutter 90 , cutter 90 can include a generally rounded shape to cut the dough sheet 16 into loaves or buns having rounded ends.
- FIG. 10C illustrates depressions 100 and 102 which are formed by cutters 94 and 96 .
- the outer edges 104 and 106 of the buns have been severed from the remainder of dough sheet 15 .
- FIG. 10D which has three buns, physically connected to one another, yet distinct from one another.
- cutters 94 and 96 can be implemented using perforating cutter 48 illustrated in FIG. 8H, so the discrete buns can be separated more easily.
- system 86 shows rotatable wheel cutters 88 for forming a ganged set of buns as illustrated in FIG. 10D
- the ganged buns could also be formed utilizing a reciprocating cutting head, cutters disposed on a rotatable drum, or a walking head cutter, as discussed in greater detail later in the application.
- FIG. 11A illustrates another cutter 108 in accordance with one aspect of the present invention.
- Cutter 108 is formed of a plurality of structures, or cells, 110 , each of which is similar to cutters 16 or 31 , illustrated in previous figures.
- each of the cells 110 has an outer periphery which is shaped as a geometric figure which can be nested with other similarly shaped cells so as to avoid waste (e.g., squares, triangles, pentagons, hexagons, etc.), with an inner periphery having a different shape (although it could also be the same shape), such as a circle or oval, etc.
- the outer periphery of each of the cells or structures 110 is provided with a cutting edge, similar to cutting edge 32 illustrated in FIG. 6A.
- the inner periphery is provided with a blunt edge dough engaging portion such as portion 34 illustrated in FIG. 6A.
- a dough sheet traveling beneath cutter 108 will be substantially completely used, without trim (other than trim at the lateral edges of the dough sheet), since the geometric figures (e.g., hexagons) defining the outer peripheries of each of the cells 110 nest with the geometric figures defining the outer periphery of adjacent cells 110 .
- the inner periphery is a blunt dough engaging portion, each of the rolls or bread products cut by cutter 108 have rounded edges, rather than squared off, or sharply cut edges.
- a dough sheet is passed along cutter 108 in the direction indicated by arrow 112 .
- Cutter 108 is mounted on a reciprocating cutter (such as that described in greater detail with respect to FIGS. 12 or 13 ).
- cutter 108 is provided with leading protrusions 114 , and trailing protrusions 116 . Since the inner periphery of cutting cells 110 is blunt, it has been observed that dough sheet 15 , when traveling in the direction indicated by arrow 112 under reciprocating cutter 108 , can leave narrow trailing dough tails. However, by providing the leading and trailing protrusions 114 and 116 , the tails are substantially eliminated thus rendering the cut dough product more suitable for packaging, with less waste.
- FIG. 11B illustrates an additional feature. It may be desirable to imprint the top of the dough pieces with a pattern (such as a Kaiser pattern, a cross, a cloverleaf, etc.). Such an imprinter is illustrated generally at 109 in FIG. 11B.
- a pattern such as a Kaiser pattern, a cross, a cloverleaf, etc.
- Imprinter 109 is shown attached to cutter 108 (described with respect to FIG. 11A) on a reciprocating, or walking head-type cutter.
- Cutter 108 is attached to pattern imprinter 109 by a back plate 111 , or another suitable attachment mechanism.
- the dough moves past cutter 108 in the direction indicated by arrow 112 , the dough is cut into pieces by each of the cells 110 of cutter 108 .
- the cut dough pieces then progress further in the direction indicated by arrow 112 , until they are beneath imprinter section 109 .
- the reciprocating head which contains cutter 108 and imprinter 109 is then again lowered on the dough.
- Patterns 113 are positioned on back plate 111 such that, when the dough is moved by a predefined amount, the pieces cut by cells 110 of cutter 108 are precisely located beneath patterns 113 , which protrude from plate 111 .
- patterns 113 impinge on the top of the dough pieces and thus imprint the desired pattern thereon, of course, the amount by which patterns 113 project from backing plate 111 will determine the depth to which the patterns are imprinted on the surface of the cut dough pieces. Any desirable depth can be chosen.
- FIG. 11C illustrates cutter 108 formed as a cutter bar, used in conjunction with a compression roller 118 .
- a compression roller 118 Such an arrangement, with traditional sharp edge hex cutters, is known and is described in greater detail in U.S. Pat. No. 5,535,575.
- dough sheet 15 travels in the direction illustrated by arrow 54 , above cutter bar 108 , which is formed as a continuous cutting unit conveyed by a conveyor.
- roller 118 compresses dough sheet 15 down into cutter 108 .
- Downstream of compression roller 118 the dough pieces within each of the cells 110 of cutter 108 are removed and packaged.
- FIG. 12 illustrates a system 120 for illustrating cutter 108 on a reciprocating head cutter.
- System 120 includes dough sheet 15 moving in the direction indicated by arrow 54 , as conveyed by a conveyor.
- the conveyor is driven by a motor 122 which is coupled by an index controller (which can be an electronic controller or a mechanical linkage) to a motor 126 which is coupled, through linkage 128 , to head 108 .
- Motor 126 can be an electrical motor or any other suitable type of motor such as a linear motor with hydraulic or pneumatic actuators.
- head 108 is moved in a reciprocal fashion indicated by arrow 130 , to cut dough sheet 15 into desired products. Reciprocating head cutters are well known.
- FIG. 13 illustrates another system in which cutter 108 , or a similar cutter, can be used.
- system 132 employs a walking head cutter arrangement in which cutter 108 , reciprocates relative to dough sheet 15 not only in a vertical direction, but also in a horizontal direction.
- cutter 108 is pressed downwardly into dough sheet 15 , as dough sheet 15 moves in the direction indicated by arrow 54 .
- Cutter 108 thus cuts dough sheet 15 in the desired pattern.
- Cutter 108 is configured to move along with dough sheet 15 in the direction indicated by arrow 54 for a predetermined distance to the position indicated in phantom at 134 in FIG. 13. Then, cutter 108 is withdrawn from dough sheet 15 upwardly and rearwardly relative to the travel path 54 of dough sheet 15 . Cutter 108 is then depressed down into dough sheet 15 again, and again “walks” along with dough sheet 15 .
- FIGS. 14A and 14B illustrate yet another system 136 in accordance with one aspect of the present invention.
- a rotary drum cutter 138 is provided with cutter 108 disposed on its exterior surface.
- rotary drum cutters are also well known. Briefly, as dough sheet 15 moves in the direction indicated by arrow 54 , rotary drum cutter 138 rotates in the direction indicated by arrow 140 . With cutter 108 disposed on its exterior surface, rotary drum 138 performs desired cutting operations to cut dough sheet 15 into a desired number of pieces.
- the present invention provides a number of significant advantages over prior art dough cutters.
- the present invention provides a blunt dough cutting or dough engaging surface which is configured to pull a first surface of the dough toward a second surface of the dough, when the cutter is impinged on the dough sheet. This tends to seal the two surfaces of dough together, and also, when desired, severs the dough sheet. This results in a dough product which more closely resembles a hand formed dough product, with rounded edges, rather than straight or sharply angled edges. Since the present invention can be implemented on substantially any suitable cutting apparatus, or in any suitable cutting system, the present invention can achieve a high throughput while still maintaining its advantages.
Abstract
A dough cutting apparatus is suitable for cutting a sheet of dough. The dough cutting apparatus includes a structure defining a blunt dough engaging portion. The present invention can be embodied in a number of different ways, including a wheel cutter, a rotary drum cutter, a reciprocating head cutter, or another cutter.
Description
- The present invention deals with a dough cutter. More specifically, the present invention deals with a dough cutter used to make bread products having aesthetically pleasing appearances.
- A number of methods have been employed in order to make various types of bread products, such as loaves, buns, rolls, biscuits, and breadsticks, from a sheet of dough. In such systems, a sheet of bread dough may typically be extruded, reduced, and provided to a conveyor which conveys the sheet of dough along a dough travel path. The sheet of dough then encounters one or more cutting apparatus, such as slitter wheels, guillotine-type cutters, reciprocating head cutters, or rotatable drum-type cutters. Such cutters, traditionally, have employed very thin or sharp cutting edges in order to cut the dough. For instance, many such cutting edges are only approximately {fraction (1/32)} of an inch thick. In fact, conventional wisdom dictates that, when cutting dough, without crimping or performing other types of dough forming functions, the thinner the cutting edge is the better. This requires less cutting pressure and results in less dough displacement from the cut.
- However, such cuts can render aesthetically unpleasing dough pieces. For example, rather than resulting in a breadstick or bun which has rounded corners which resemble hand made buns, the cut bun has sharp and squared off edges which can be aesthetically undesirable.
- In order to obtain a more rounded look, prior systems have divided or cut the dough sheet with dividers or sharp cutters, as described above, and then subjected the cut dough pieces to a subsequent rolling process by which the dough pieces are rolled to resemble a hand-formed dough piece.
- Still other prior techniques do not even attempt to process a dough sheet into such rounded dough pieces. Instead, typical dinner roll making techniques parse dough into dough portions which are placed in molds or rollers which round the dough into balls. Those balls are then baked into the eventual rolls. Also, some bread making techniques parse dough into pieces which are allowed to rest, are sheeted and rolled, subjected to pressure by a pressure board and placed in a pan. Such techniques are quite slow.
- A dough cutting apparatus is suitable for cutting a sheet of dough. The dough cutting apparatus includes a structure defining a blunt dough engaging portion. The present invention can be embodied in a number of different ways, including a wheel cutter, a rotary drum cutter, a reciprocating head cutter, or another type of cutter.
- FIG. 1 illustrates an elevated side view of a dinner roll cut using a prior art dough cutter.
- FIG. 2 illustrates an elevated side view of a bun or dinner roll cut in accordance with the present invention.
- FIG. 3 illustrates a dinner roll cutter in accordance with one aspect of the present invention.
- FIG. 4 is a bottom plan view of the dinner roll cutter shown in FIG. 3.
- FIG. 5 illustrates a cutting operation using the dinner roll cutter shown in FIGS. 3 and 4.
- FIGS. 6A and 6B illustrate another embodiment of a dough cutter in accordance with one aspect of the present invention.
- FIGS. 7A and 7B illustrate another embodiment of a dough cutter in accordance with the present invention.
- FIGS.8A-8H, illustrate additional embodiments of dough cutters in accordance with the present invention.
- FIGS. 9 and 9B illustrate another embodiment of a dough cutter in accordance with one aspect of the present invention.
- FIGS.10A-10E illustrate utilizing the present invention to cut a set of buns or loaves in accordance with one aspect of the present invention.
- FIG. 11A illustrates a hex cutter in accordance with one aspect of the present invention.
- FIG. 11B illustrates the cutter shown in FIG. 11A with a pattern imprinter portion.
- FIG. 11C illustrates a compression roller and cutter bar arrangement in accordance with one aspect of the present invention.
- FIG. 12 illustrates a reciprocating head cutter in accordance with one aspect of the present invention.
- FIG. 13 illustrates a walking head cutter in accordance with one aspect of the present invention.
- FIGS. 14A and 14B illustrate a rotary drum cutter in accordance with one aspect of the present invention.
- FIG. 1 illustrates a dinner roll10 cut using a method and cutter in accordance with the prior art. It can be seen that dinner roll 10 has sharp, substantially squared off corners, where it was cut from a sheet, or another piece, of dough.
- By contrast, FIG. 2 illustrates a bun or roll12 which is cut using a cutter or system in accordance with one aspect of the present invention. It can be seen that roll 12 has
rounded edges 14, rather than the squared or sharply cut edges of roll 10 illustrated in FIG. 1. - In the past, this type of shape has been obtained by placing small balls of dough in rollers which roll the balls of dough into a substantially spherical shape. The dough spheres (or dough balls) are then placed in individual baking pans so that they can be baked, much as a conventional dinner roll is baked by a consumer. However, such techniques are very low throughput techniques. They are, thus, less than desirable for commercial applications in which it is desirable to process many pounds of dough per minute.
- FIG. 3 illustrates a sheet of
bread dough 15 and a cross-section of acutter 16 in accordance with one aspect of the present invention By using the term bread dough, the present discussion refers to a dough which can be rather sticky, to a dough which is rather dry and which falls in a range of approximately 600 BUs to approximately 1200 BUs. In the embodiment illustrated in FIG. 3,cutter 16 is substantially round in shape. However, it will be appreciated thatcutter 16 can take substantially any shape, and still maintain inventive aspects of the present invention. -
Dough cutter 16 has acutting portion 18, which engages, and cuts,dough sheet 15.Cutting portion 18, in the embodiment illustrated in FIG. 3, is rounded or blunt.Blunt cutting portion 18, in one preferred embodiment, has a radius of curvature of at least approximately ⅛-¼, inch.Blunt portion 18 is formed about the bottom of annular ring 20, which defines the cutting depth ofcutter 16. The thickness of annular ring 20, in another preferred embodiment, is at least approximately ¼ inch. More preferably, the thickness of annular ring 20 is in a range of approximately ¼-½ inch. - FIG. 4 is a bottom plan view of
cutter 16 illustrated in FIG. 3. FIG. 3 simply illustrates that, in the embodiment illustrated in FIGS. 3 and 4,cutter 16 has a substantially similarly shapedinner edge 22 andouter edge 24. - FIG. 5 illustrates use of
dough cutter 16 in cuttingdough sheet 15. As will be described in greater detail later in the application,cutter 16 can be mounted to one of any number of different types of cutting mechanisms which eitherpress cutter 16 ontodough sheet 15, or causedough sheet 15 to be pressed intocutter 16. In either case, cuttingportion 18 ofcutter 16 engages asurface 26 ofdough sheet 15. In the embodiment illustrated in FIG. 5,cutter 16 is pressed againstupper surface 26 ofdough sheet 15, towardlower surface 28 ofdough sheet 15. Ascutter 16 is depressed against the dough sheet, cuttingportion 18 begins to make an impression in theupper surface 26 ofdough sheet 15. - In accordance with one aspect of the present invention, cutting
portion 18 is wide enough such that frictional engagement between theupper surface 26 ofdough sheet 15 and cuttingportion 18 acts to draw, or pull, thetop surface 26 ofdough sheet 15 downwardly, as indicated byarrows 30, toward thebottom surface 28. The pressure exerted by cuttingportion 18 also acts to sealtop surface 26 ofdough sheet 15 tobottom surface 28. This results in a more rounded cut dough product 12, as indicated in FIG. 2. Thus, rather than having its edges straight and substantially squared off (such as the prior art roll illustrated in FIG. 1), roll (or dough product) 12 illustrated in FIG. 2 has substantially rounded edges, which are formed by theupper surface 26 ofdough sheet 15 being pulled toward thebottom surface 28 ofdough sheet 15, and sealed thereto, whendough sheet 15 is severed by cuttingportion 18 ofcutter 16. Thus, when roll 12 is baked, it has an aesthetically more desirable look, which more closely resembles a handmade dinner roll, than prior art dinner rolls which were cut from a dough sheet. - FIGS. 6A and 6B are a side sectional view, and a bottom plan view, respectively, of another embodiment of a
cutter 31 in accordance with the present invention illustrated without dough.Cutter 31 is similar tocutter 16 illustrated in previous figures.Cutter 31 has a dough engaging, cuttingportion 34, which is relatively thick, or blunt, as compared to prior art cutters. In accordance with one aspect of the present invention, cuttingportion 34 has an inner rounded dough engaging portion which is rounded to a radius of curvature of at least approximately ⅛ inch. More preferably, the radius of curvature is in a range of approximately ⅛-¼ inch. In addition, the annular ring which forms the depth ofcutter 31 may be in a range of approximately ¼-½ inch thick. - However,
cutter 31 also has anadditional cutting edge 32.Edge 32, in the embodiment illustrated in FIGS. 6A and 6B, forms an annular ring generally disposed about the outer periphery ofcutter 31, and is much narrower than the remainder of the annular ring which forms the depth ofcutter 31. In one illustrative embodiment, cuttingedge 32 is only approximately {fraction (1/16)} of an inch, or less, in thickness. Cuttingedge 32 protrudes fromdough engaging portion 34 by adistance 36 which, in one illustrative embodiment, is approximately {fraction (1/16)} of an inch or less. If used only as a single cutter, or if used on a cutting head (such as illustrated in FIGS. 11A-11C discussed below) the thickness of bluntdough engaging portion 34 can be rounded to approximately ⅛ inch radius of curvature such that the overall thickness ofportion 34 andedge 32 is approximately {fraction (3/16)} of an inch. Cuttingedge 32 can be a flat edge, or it can be sharpened or tapered. Therefore, cuttingedge 32 actually seversdough sheet 15, whiledough engaging portion 34, which is relieved from thecutting edge 32, provides a blunt dough engaging surface which is sufficiently thick to frictionally engage, and pull, thetop surface 26 ofdough sheet 15 toward thebottom surface 28 thereof, and to seal the two together (or pinch them together with possibly only a small gap between the two caused by edge 32), in order to provide the eventual rounded dough product. Since cuttingedge 32 is provided, the cutting pressure required to cut through, or sever,dough sheet 15 has been observed to be less than that required for a cutter (such ascutter 16 illustrated in the previous figures) which has no such cutting edge. - FIGS. 7A and 7B illustrate a
system 38 in which the present invention is embodied in a different type of cutter. FIG. 7A shows apreprocessing station 40,dough sheet 15 conveyed on a conveyor which is driven by at least one ofrollers post processing station 46, and a plurality of rotatable wheel (or slitter wheel) cutters, 48, 50 and 52. -
Preprocessing station 40 simply illustrates thatdough sheet 15 may typically be extruded, reduced, or processed in some other manner and provided to the conveyor carried byrollers arrow 54. -
Cutters axle 56.Cutters Cutters dough sheet 15 is traveling in the direction indicated byarrow 54,cutters dough sheet 15.Cutters dough sheet 15 or the conveyor. After the cuts are made indough sheet 15,dough sheet 15 continues traveling in the direction indicated byarrow 54 to postprocessing station 46.Post processing station 46 can include, for example, cutting, proofing, baking, freezing, and/or packaging. - FIG. 7B is a side view of a portion of
system 38 shown in FIG. 7A, and, similar items are similarly numbered. FIG. 7B better illustratesconveyor 56 which is driven byrollers 42 and/or 44. In addition, FIG. 7B illustrates thatcutters dough sheet 15 to lightly engageconveyor 56 and thereby completely severdough sheet 15. - FIGS.8A-8H illustrate different embodiments of
cutters cutter 48. However, it will be appreciated that the wheels can be positioned substantially anywhere alongdough sheet 15. FIG. 8A illustrates thatcutter 48 simply has a rounded or blunt outer periphery which has athickness 58 which is preferably in a range of approximately ¼-½ inch. Similarly, the blunt outer periphery ofcutter 48 is rounded to a radius of curvature preferably in a range of ⅛-¼ inch. With such an arrangement, the outer periphery ofcutter 48, as it cutsdough sheet 15, performs a similar action tocutter 16 illustrated in FIG. 5. In other words,cutter 48 frictionally engages the upper surface ofdough sheet 15 and pulls or draws it downwardly toward the lower surface ofdough sheet 15, thus sealing the two together and severing or cutting the dough sheet. - FIG. 8B illustrates an embodiment of
cutter 48 similar to that shown in FIG. 8A, and similar items are similarly numbered. However, FIG. 8B illustrates that the outer periphery ofcutter 48 is provided with anarrow cutting edge 62 which is similar to cuttingedge 32 in FIGS. 6A and 6B. FIG. 8B also illustrates thatcutter 48 has adough engaging portion 64, which is blunt, and which is roughly ¼-½ inch thick and is preferably rounded with a radius of curvature of ⅛-¼ inch.Dough engaging portion 64 is preferably relieved from the outer periphery of cuttingedge 62 by a distance 66 which is no greater than approximately {fraction (1/16)} of an inch. Similarly, cuttingedge 62 preferably has athickness 68 which is on the order of approximately {fraction (1/16)} of an inch or less and may be a flat edge or tapered to a sharpened edge. -
Cutter 48, as illustrated in FIG. 8B, thus cutsdough sheet 15 in a similar manner tocutter 31 illustrated in FIG. 6A. Cuttingedge 62 provides a sharper edge such that the cutting force which needs to be applied todough sheet 15 is significantly less than that with respect to the embodiment illustrated in FIG. 8A. However, sincedough engaging portion 64 is provided, and is only relieved from thecutting edge 62 by a short distance,cutter 48, as illustrated in FIG. 8B, maintains the benefit of a more rounded type cut than if the entire cutter were formed of the same thickness as cuttingedge 62. - FIGS. 8C and 8D illustrate yet another embodiment of
cutter 48 in accordance with one aspect of the present invention. Thecutter 48 illustrated in FIG. 8C is similar in many respects to that illustrated in FIG. 8B, and similar items are similarly numbered. However,cutter 48 of FIG. 8C also has athicker portion 70 which is radially disposed toward the center ofcutter 48. In one embodiment,portion 70 is offset from a radialouter portion 72 by atransition region 74 which comprises either a step (as shown in FIG. 8C) or a taper, or another transition configuration. The morecentral portion 70 ofcutter 48 has a thickness 76 which is greater than approximately ½ inch. Similarly,portion 70 is relieved from cuttingedge 62 by adistance 78 which is at least as great as the thickness ofdough sheet 15. Therefore,central portion 70 provides greater structural support tocutter 48 than the embodiment illustrated in FIG. 8B. However,cutter 48 illustrated in FIG. 8C obtains the advantages associated withcutter 48 as illustrated in FIG. 8B. FIG. 8D is simply a side view of thecutter 48 illustrated in FIG. 8C, and better illustrates one exemplary location of thetransition section 74 - FIGS.8E-8G illustrate further embodiments of
cutter 48, the features of which can be applied to other types of cutters such as those shown in the other figures. FIG. 8E shows thatcutter 48 has adough engaging portion 69 which has roundedcorners region 75 therebetween.Corners dough sheet 16 until the upper skin has been stretched and drawn toward the lower skin and pinched thereto. Thefaster dough sheet 15 moves, the morelikely cutter 48 is to break the skin, so the more blunt or rounded the corners should be. - FIG. 8F shows
cutter 48 which is similar tocutter 48 in FIG. 8E and similar items are similarly numbered.Cutter 48 shown in FIG. 8F includescorners portion 75. However, flattenedportion 75 also has raisededge 62, which is similar to that illustrated in FIGS. 8B-8D. Therefore,cutter 48 illustrated in FIG. 8F can obtain the same advantages ascutter 48 illustrated in FIG. 8E, but with less cutting pressure required to severdough sheet 15. - FIG. 8G illustrates
cutter 48 with alower portion 77.Lower portion 77 includes corners 79 and 81, which can either be rounded or sharp, and which lead to taperingportions portions peripheral edge 87 ofcutter 48. The angle defined by taperingportions outer periphery 87 avoids breaking the skin of dough sheet 51, until that skin has been drawn toward the opposite skin, and pinched or sealed thereto. Similarly, corners 79 and 81 are preferably rounded, but are at least formed at angles which are sufficiently large to avoid breaking the dough skin which it engages, until it is pinched or sealed to the opposite dough skin. - FIG. 8H illustrates yet another
cutter 48.Cutter 48 illustrated in FIG. 8H is similar to that illustrated in FIG. 8F. However,ridge 62 is replaced by a plurality of ridge section 62A. Ridge sections 62A are sized and dimensioned similarly toridge 62, except that they are discontinuous along the outer periphery ofcutter 48. Ridge sections 62A thus provide a perforation, rather than a clean cut or sever. Such a cutter can be used for any desirable application, and may specifically be used as any of cutters 92-98 for the application illustrated in FIGS. 10A-10D, as will be described later in the specification. - It occasionally happens that, when fairly thick dough (such as dough in excess of 1 inch thick) is to be cut by rollers (such as with
system 38 illustrated in FIG. 7A) thedough sheet 15 can tend to gather, or bunch, upstream of the wheels, particularly when the wheels are not mechanically driven. - Therefore, FIGS. 9A and 9B illustrate a
system 80 for cutting a thicker sheet ofdough 15.System 80 is similar tosystem 38 illustrated in FIG. 7A, and similar items are similarly numbered. However,system 80 also includes twoadditional sets wheel cutters sets wheel cutters dough sheet 15 at different depths. FIG. 9B is a side view illustrating the different depths of cutting or depression. - FIG. 9B illustrates that the set of
rotatable wheel cutters 84 only make a small depression into the surface ofdough sheet 15. This depression does not break the skin on the surface ofdough sheet 15, but only acts to locally stretch the skin toward the conveyor, in the area of the depression. The second set ofrotatable wheel cutters 82, which is located downstream ofset 84, depresses somewhat further intodough sheet 15, but still does not severdough sheet 15. The set of cutters illustrated in FIG. 9A, which includeswheel 52, on the other hand, extends all the way into, and severs,dough sheet 15, thus completing the cut. In this way, relatively thick dough sheets can be cut using rotatable wheel cutters, without positively driving the wheels, and without encountering a significant build up or gathering of dough upstream of the roller wheel cutters. Of course, the sets ofwheel cutters - In some applications, it has been found desirable to be able to form a plurality of buns or loaves which are distinct from one another, but which are still attached to one another, in groups. Such buns can be ganged together in any desired number. For example, in order to package hot dog buns, it may be desirable to maintain four buns, physically connected to one another, yet discrete, such that they can be inserted in two layers into a bag or other package, to provide the consumer with eight hot dog buns. Such ganged buns or loaves can also be used in other applications.
- FIGS.10A-10B illustrate a system 86 for forming buns or loaves in such a ganged fashion. System 86 shows
dough sheet 15 moving in adirection 54, as indicated in previous figures. Similarly, system 86 includes a set 88 of rotatable wheel cutters and a guillotine-type cutter 90 located downstream of the set 88 of rotatable wheel cutters The set 88 of rotatable wheel cutters includescutters dough sheet 15 and locally stretch the skin of one surface ofdough sheet 15 toward the opposite skin. However, in order to achieve ganged buns or loaves,wheels dough sheet 15, but instead stop just short of severingdough sheet 15. - This is indicated in greater detail in FIG. 10B. It can be seen that
rotatable cutters dough sheet 15 to severdough sheet 15, whilecutters dough sheet 15 passes the set 88 of cutters, four depressions are made, only two of which severdough sheet 15. The dough then travels to guillotine-type cutter 90 which makes a transverse cut, periodically, indough sheet 15 such that the cut dough pieces are the desired length such as the length of hot dog buns. It should be noted that guillotine-type cutter 90 can be a blunt edge cutter in accordance with the present invention as well. Further, as illustrated in FIG. 10E, which is a bottom view ofcutter 90,cutter 90 can include a generally rounded shape to cut thedough sheet 16 into loaves or buns having rounded ends. - The resulting product is illustrated in FIG. 10C. FIG. 10C illustrates
depressions cutters outer edges 104 and 106 of the buns, however, have been severed from the remainder ofdough sheet 15. This yields a product, the top view of which is illustrated in FIG. 10D, which has three buns, physically connected to one another, yet distinct from one another. Also,cutters cutter 48 illustrated in FIG. 8H, so the discrete buns can be separated more easily. While system 86 shows rotatable wheel cutters 88 for forming a ganged set of buns as illustrated in FIG. 10D, the ganged buns could also be formed utilizing a reciprocating cutting head, cutters disposed on a rotatable drum, or a walking head cutter, as discussed in greater detail later in the application. - FIG. 11A illustrates another
cutter 108 in accordance with one aspect of the present invention.Cutter 108 is formed of a plurality of structures, or cells, 110, each of which is similar tocutters cells 110 has an outer periphery which is shaped as a geometric figure which can be nested with other similarly shaped cells so as to avoid waste (e.g., squares, triangles, pentagons, hexagons, etc.), with an inner periphery having a different shape (although it could also be the same shape), such as a circle or oval, etc. In one preferred embodiment, the outer periphery of each of the cells orstructures 110 is provided with a cutting edge, similar to cuttingedge 32 illustrated in FIG. 6A. The inner periphery is provided with a blunt edge dough engaging portion such asportion 34 illustrated in FIG. 6A. In this way, a dough sheet traveling beneathcutter 108 will be substantially completely used, without trim (other than trim at the lateral edges of the dough sheet), since the geometric figures (e.g., hexagons) defining the outer peripheries of each of thecells 110 nest with the geometric figures defining the outer periphery ofadjacent cells 110. However, since the inner periphery is a blunt dough engaging portion, each of the rolls or bread products cut bycutter 108 have rounded edges, rather than squared off, or sharply cut edges. - In an illustrative embodiment, a dough sheet is passed along
cutter 108 in the direction indicated by arrow 112.Cutter 108 is mounted on a reciprocating cutter (such as that described in greater detail with respect to FIGS. 12 or 13). In accordance with one aspect of the present invention,cutter 108 is provided with leadingprotrusions 114, and trailingprotrusions 116. Since the inner periphery of cuttingcells 110 is blunt, it has been observed thatdough sheet 15, when traveling in the direction indicated by arrow 112 underreciprocating cutter 108, can leave narrow trailing dough tails. However, by providing the leading and trailingprotrusions - FIG. 11B illustrates an additional feature. It may be desirable to imprint the top of the dough pieces with a pattern (such as a Kaiser pattern, a cross, a cloverleaf, etc.). Such an imprinter is illustrated generally at109 in FIG. 11B.
-
Imprinter 109 is shown attached to cutter 108 (described with respect to FIG. 11A) on a reciprocating, or walking head-type cutter.Cutter 108 is attached topattern imprinter 109 by a back plate 111, or another suitable attachment mechanism. As the dough movespast cutter 108 in the direction indicated by arrow 112, the dough is cut into pieces by each of thecells 110 ofcutter 108. The cut dough pieces then progress further in the direction indicated by arrow 112, until they are beneathimprinter section 109. The reciprocating head which containscutter 108 andimprinter 109 is then again lowered on the dough. Patterns 113 are positioned on back plate 111 such that, when the dough is moved by a predefined amount, the pieces cut bycells 110 ofcutter 108 are precisely located beneath patterns 113, which protrude from plate 111. When the cutting head is again reciprocated downwardly toward the dough sheet, patterns 113 impinge on the top of the dough pieces and thus imprint the desired pattern thereon, of course, the amount by which patterns 113 project from backing plate 111 will determine the depth to which the patterns are imprinted on the surface of the cut dough pieces. Any desirable depth can be chosen. - FIG. 11C illustrates
cutter 108 formed as a cutter bar, used in conjunction with acompression roller 118. Such an arrangement, with traditional sharp edge hex cutters, is known and is described in greater detail in U.S. Pat. No. 5,535,575. Briefly,dough sheet 15 travels in the direction illustrated byarrow 54, abovecutter bar 108, which is formed as a continuous cutting unit conveyed by a conveyor. Asdough sheet 15 engagescompression roller 118,roller 118 compressesdough sheet 15 down intocutter 108. Downstream ofcompression roller 118, the dough pieces within each of thecells 110 ofcutter 108 are removed and packaged. - FIG. 12 illustrates a
system 120 for illustratingcutter 108 on a reciprocating head cutter.System 120, as with previous systems described herein, includesdough sheet 15 moving in the direction indicated byarrow 54, as conveyed by a conveyor. The conveyor is driven by amotor 122 which is coupled by an index controller (which can be an electronic controller or a mechanical linkage) to amotor 126 which is coupled, throughlinkage 128, to head 108.Motor 126 can be an electrical motor or any other suitable type of motor such as a linear motor with hydraulic or pneumatic actuators. Asdough sheet 15 is moved in the direction indicated byarrow 54,head 108 is moved in a reciprocal fashion indicated byarrow 130, to cutdough sheet 15 into desired products. Reciprocating head cutters are well known. - FIG. 13 illustrates another system in which
cutter 108, or a similar cutter, can be used. In FIG. 13,system 132, employs a walking head cutter arrangement in whichcutter 108, reciprocates relative todough sheet 15 not only in a vertical direction, but also in a horizontal direction. In other words,cutter 108 is pressed downwardly intodough sheet 15, asdough sheet 15 moves in the direction indicated byarrow 54.Cutter 108 thus cutsdough sheet 15 in the desired pattern.Cutter 108 is configured to move along withdough sheet 15 in the direction indicated byarrow 54 for a predetermined distance to the position indicated in phantom at 134 in FIG. 13. Then,cutter 108 is withdrawn fromdough sheet 15 upwardly and rearwardly relative to thetravel path 54 ofdough sheet 15.Cutter 108 is then depressed down intodough sheet 15 again, and again “walks” along withdough sheet 15. - FIGS. 14A and 14B illustrate yet another
system 136 in accordance with one aspect of the present invention. Insystem 136, arotary drum cutter 138 is provided withcutter 108 disposed on its exterior surface. As with reciprocating head cutters, and walking head cutters, rotary drum cutters are also well known. Briefly, asdough sheet 15 moves in the direction indicated byarrow 54,rotary drum cutter 138 rotates in the direction indicated byarrow 140. Withcutter 108 disposed on its exterior surface,rotary drum 138 performs desired cutting operations to cutdough sheet 15 into a desired number of pieces. - Thus, it can be seen that the present invention provides a number of significant advantages over prior art dough cutters. The present invention provides a blunt dough cutting or dough engaging surface which is configured to pull a first surface of the dough toward a second surface of the dough, when the cutter is impinged on the dough sheet. This tends to seal the two surfaces of dough together, and also, when desired, severs the dough sheet. This results in a dough product which more closely resembles a hand formed dough product, with rounded edges, rather than straight or sharply angled edges. Since the present invention can be implemented on substantially any suitable cutting apparatus, or in any suitable cutting system, the present invention can achieve a high throughput while still maintaining its advantages.
- Although the present invention has been described with reference to preferred embodiments, workers skilled in the art will recognize that changes may be made in form and detail without departing from the spirit and scope of the invention.
Claims (59)
1. A dough cutting apparatus for cutting a dough sheet having a first surface with a first skin and a second surface with a second skin, the apparatus comprising:
a cutter having a blunt dough engaging portion which is at least approximately 0.25 inches thick and is configured to sever the dough sheet.
2. The apparatus of claim 1 wherein the blunt dough engaging portion comprises:
a dough engaging surface with at least one corner, the corner being configured to be depressed against the first dough surface and draw the first skin toward the second skin without breaking the first skin until the first and second skins are pinched to one another.
3. The apparatus of claim 2 wherein the dough engaging surface includes a cutting edge positioned to engage the dough sheet prior to the at least one corner.
4. The apparatus of claim 3 wherein the blunt dough engaging portion has a thickness in a range of approximately 0.25 inches to 0.5 inches.
5. The apparatus of claim 1 wherein the blunt dough engaging portion is generally rounded having at least approximately a 0.125 inch radius of curvature.
6. The apparatus of claim 5 wherein the blunt dough engaging portion is generally rounded having a radius of curvature in a range of approximately 0.125 inches to 0.25 inches
7. The apparatus of claim 1 and further comprising:
a conveyor conveying the dough sheet along a dough travel path.
8. The apparatus of claim 7 and further comprising:
a rotatable drum, rotatably disposed relative to the conveyor, wherein the cutter is disposed on the rotatable drum to engage the dough sheet as the dough sheet moves along the dough travel path.
9. The apparatus of claim 7 and further comprising:
a reciprocating head, reciprocally mounted relative to the conveyor, the cutter being disposed on the reciprocating head to intermittently engage the dough sheet as the reciprocating head reciprocates.
10. The apparatus of claim 7 and further comprising:
a walking head, reciprocally mounted relative to the conveyor, the cutter being disposed on the walking head to intermittently engage the dough sheet, and travel with the dough sheet, as the reciprocating head reciprocates.
11. The apparatus of claim 7 wherein the cutter includes a first rotatable member having the blunt dough engaging portion and being disposed relative to the conveyor to locally depress the dough sheet to a first depth.
12. The apparatus of claim 11 wherein the cutter further includes:
a second rotatable member having a blunt dough engaging portion and in general alignment with the first rotatable member along the dough travel path and being disposed relative to the conveyor to cut the dough sheet to a second depth, different from the first depth.
13. The apparatus of claim 12 wherein the blunt dough engaging portion of the first rotatable member comprises the outer periphery of the first rotatable member.
14. The apparatus of claim 12 and further comprising a cutting edge on the outer periphery of the second rotatable member, the cutting edge having a thickness which is smaller than a thickness of the blunt dough engaging portion of,the second rotatable member.
15. The apparatus of claim 12 wherein the blunt dough engaging portion of the second rotatable member is relieved from the cutting edge by a relief distance.
16. The apparatus of claim 15 wherein the relief distance is no greater than approximately {fraction (1/16)} of an inch.
17. The apparatus of claim 12 wherein the second rotatable member is configured downstream of the first rotatable member along the dough travel path and wherein the second depth is sufficient to sever the dough sheet.
18. The apparatus of claim 17 and further comprising:
at least one additional rotatable member having a blunt dough engaging portion and generally in alignment with, and between, the first and second rotatable members along the dough travel path and being disposed relative to the conveyor to locally depress the dough sheet to an intermediate depth, greater than the first depth and less than the second depth.
19. The apparatus of claim 11 wherein the blunt dough engaging portion is substantially radially adjacent an outer periphery of the first rotatable member and has a first thickness, and a second portion is disposed radially inwardly of the blunt dough engaging portion and has a second thickness larger than the first thickness and is separated from the blunt dough engaging portion by a transition section.
20. The apparatus of claim 19 wherein the first thickness is at least approximately 0.25 inches thick.
21. The apparatus of claim 20 wherein the second thickness is in excess of approximately 0.5 inches.
22. The apparatus of claim 21 wherein the transition section comprises an annular shoulder on the first rotatable member.
23. The apparatus of claim 7 wherein the cutter further comprises:
first and second cutters each having a blunt dough engaging portion and being disposed relative to the conveyor to form first and second generally parallel cuts, respectively, which extend to a first depth, severing the dough sheet; and
at least a third cutter having a blunt dough engaging portion and being disposed relative to the conveyor to form a local depression in the dough sheet, between the first and second cuts, the local depression extending to a second depth, less than the first depth, leaving the dough sheet at least partially intact.
24. The apparatus of claim 23 wherein the third cutter comprises a perforator which alternately depresses the dough sheet to the second depth and cuts the dough to the first depth thereby leaving the dough sheet at least partially intact.
25. The apparatus of claim 23 wherein the first, second and third cutters each comprise:
a rotatable wheel, rotatably disposed relative to the conveyor.
26. The apparatus of claim 23 and further comprising:
a rotatable drum, rotatably disposed relative to the conveyor, wherein the first, second and third cutters are fixedly coupled to the rotatable drum.
27. The apparatus of claim 24 and further comprising:
a reciprocal head, reciprocally mounted relative to the conveyor, wherein the first, second and third cutters are coupled to the reciprocal head.
28. The apparatus of claim 27 wherein the reciprocal head reciprocates in a direction generally orthogonal to the dough travel path and in a direction generally parallel to the dough travel path.
29. The apparatus of claim 1 wherein the cutter comprises:
a structure defining an outer cutting edge configured to cut through the dough sheet and having a first shape and a blunt inner edge defining the blunt dough engaging portion and having a second shape, different from the first shape.
30. The apparatus of claim 29 wherein the first shape is generally hexagonal.
31. The apparatus of claim 29 wherein the first shape is generally pentagonal.
32. The apparatus of claim 29 wherein the first shape is generally square.
33. The apparatus of claim 29 wherein the second shape is generally circular.
34. The apparatus of claim 29 wherein the second shape is generally oval shaped.
35. The apparatus of claim 29 wherein the apparatus is mountable relative to a dough sheet traveling along a dough travel path and further comprising:
a plurality of structures fixedly coupled to one another to form a cutting head, the cutting head having a leading edge and a trailing edge relative to the dough travel path.
36. The apparatus of claim 35 wherein the trailing edge of the cutting head includes a plurality of extension cutting members, extending away from the cutting head in general alignment with outer cutting edges of the plurality of structures.
37. The apparatus of claim 36 wherein the leading edge of the cutting head includes a plurality of extension cutting members, extending away from the cutting head in general alignment with outer cutting edges of the plurality of structures.
38. The apparatus of claim 8 and further comprising:
a pattern imprinter, disposed relative to the cutter to imprint a pattern on the dough sheet.
39. The apparatus of claim 9 and further comprising:
a pattern imprinter, disposed relative to the cutter to imprint a pattern on the dough sheet.
40. The apparatus of claim 10 and further comprising:
a pattern imprinter, disposed relative to the cutter to imprint a pattern on the dough sheet.
41. A method of cutting a dough sheet having a first surface with a first skin and a second surface with a second skin, the method comprising:
engaging the dough sheet with a blunt dough engaging surface to form a first depression in the dough sheet by pulling the first surface of the dough sheet toward the second surface thereof, stretching the first skin;
prior to breaking the first skin, pinching the first skin to the second skin; and
severing the dough sheet at the first depression.
42. The method of claim 41 wherein engaging the dough sheet, comprises:
providing a plurality of cutting cells, each having a blunt dough engaging surface, on a rotary drum rotatably disposed relative to the dough sheet to engage the dough sheet.
43. The method of claim 42 and further comprising:
imprinting a pattern on pieces of dough cut by the plurality of cutting cells.
44. The method of claim 41 wherein engaging the dough sheet comprises:
providing a plurality of cutting cells, each having a blunt dough engaging surface, on a reciprocating head reciprocally disposed relative to the dough sheet to engage the dough sheet.
45. The method of claim 44 and further comprising:
imprinting a pattern on pieces of dough cut by the plurality of cutting cells.
46. The method of claim 41 wherein engaging the dough sheet, comprises:
providing a plurality of cutting cells, each having a blunt dough engaging surface, on a walking head disposed relative to the dough sheet to engage the dough sheet.
47. The method of claim 46 and further comprising:
imprinting a pattern on pieces of dough cut by the plurality of cutting cells.
48. The method of claim 41 and further comprising:
conveying the dough sheet along a dough travel path, wherein severing the dough sheet is performed at a first location along the dough travel path.
49. The method of claim 48 wherein engaging the dough sheet is performed at a second location along the dough travel path, upstream along the dough travel path from the first location, by pulling the first surface of the dough sheet toward the second surface thereof to a depth insufficient to sever the dough sheet.
50. The method of claim 49 wherein severing the dough sheet comprises:
providing a first rotatable member having a blunt dough engaging portion and disposed relative to the conveyor to sever the dough sheet.
51. The method of claim 50 wherein engaging the dough sheet comprises:
providing a second rotatable member having a blunt dough engaging portion and in general alignment with the first rotatable member upstream along the dough travel path and being disposed relative to the conveyor to form the first depression in the dough sheet.
52. A method of cutting a dough sheet, comprising:
conveying a dough sheet along a dough travel path;
cutting the dough sheet with first and second cutters each having a blunt dough engaging portion to form first and second generally parallel cuts, respectively, which extend to a first depth, severing the dough sheet; and
depressing the dough sheet with a third cutter having a blunt dough engaging portion and being disposed relative to the conveyor to form a depression in the dough sheet, between the first and second cuts, the depression extending to a second depth, less than the first depth, leaving the dough sheet at least partially intact.
53. A method of cutting a sheet of dough, comprising:
providing a structure defining an outer cutting edge configured to cut through the dough sheet and having a first shape and a blunt inner edge having a second shape, different from the first shape; and
engaging the sheet of dough with the structure such that the blunt inner edge engages a first surface of the sheet of dough and pulls the first surface toward the second surface and pinches the first and second surfaces to one another while the cutting edge severs the sheet of dough.
54. The method of claim 53 wherein providing a structure comprises providing the blunt inner edge of the structure with a thickness of at least approximately 0.25 inches thick.
55. The method of claim 54 wherein providing a structure comprises providing the blunt inner edge of the structure with a thickness in a range of approximately 0.25 inches to 0.5 inches.
56. The method of claim 53 wherein providing a structure comprises providing the blunt inner edge of the structure in a generally rounded configuration and having at least approximately a 0.125 inch radius of curvature.
57. The method of claim 56 wherein providing a structure comprises providing the blunt inner edge of the structure with the generally rounded configuration and having a radius of curvature in a range of approximately 0.125 inches to 0.25 inches.
58. A baked dough product, comprising:
a plurality of connected buns connected along a depression, the buns being cut along a periphery of the plurality of buns from a dough sheet having a top skin and a bottom skin such that the top skin is pinched to the bottom skin along the periphery to provide a generally rounded appearance.
59. A dough cutting apparatus for cutting a dough sheet having a first surface with a first skin and a second surface with a second skin, the apparatus comprising:
a cutter having a blunt dough engaging portion generally rounded with a radius of curvature of at least approximately ⅛ inch and being configured to sever the dough sheet.
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- 2000-01-28 AU AU32176/00A patent/AU756431B2/en not_active Ceased
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US20110177190A1 (en) * | 1999-02-01 | 2011-07-21 | Evans James R | Blunt edge dough cutter |
US8535039B2 (en) | 1999-02-01 | 2013-09-17 | General Mills, Inc. | Blunt edge dough cutter |
US10238119B2 (en) | 1999-02-01 | 2019-03-26 | General Mills, Inc. | Blunt edge dough cutter |
WO2006114518A1 (en) * | 2005-04-27 | 2006-11-02 | Bongard | Machine for shaping dough pieces |
US20080193618A1 (en) * | 2005-04-27 | 2008-08-14 | Bongard | Machine for Shaping Dough Pieces |
US8292609B2 (en) | 2005-04-27 | 2012-10-23 | Bongard | Machine for shaping dough pieces |
US20130202765A1 (en) * | 2012-02-07 | 2013-08-08 | Sanyo Foods Co., Ltd. | Noodles and apparatus for processing the same |
US9004899B2 (en) * | 2012-02-07 | 2015-04-14 | Sanyo Foods Co., Ltd. | Noodles and apparatus for processing the same |
Also Published As
Publication number | Publication date |
---|---|
EP1148786A1 (en) | 2001-10-31 |
AU756431B2 (en) | 2003-01-16 |
US6902754B1 (en) | 2005-06-07 |
PL349509A1 (en) | 2002-07-29 |
US20140352510A1 (en) | 2014-12-04 |
AR018696A1 (en) | 2001-11-28 |
US20140037810A1 (en) | 2014-02-06 |
CN1338898A (en) | 2002-03-06 |
RU2001124335A (en) | 2005-01-20 |
BR0007905A (en) | 2001-11-27 |
IL144589A0 (en) | 2002-05-23 |
CA2360520A1 (en) | 2000-08-03 |
US20160143297A1 (en) | 2016-05-26 |
US8535039B2 (en) | 2013-09-17 |
US20110177190A1 (en) | 2011-07-21 |
HK1042828A1 (en) | 2002-08-30 |
TW416833B (en) | 2001-01-01 |
JP2002534989A (en) | 2002-10-22 |
WO2000044231A1 (en) | 2000-08-03 |
US10238119B2 (en) | 2019-03-26 |
ZA200106283B (en) | 2002-02-11 |
AU3217600A (en) | 2000-08-18 |
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STCB | Information on status: application discontinuation |
Free format text: ABANDONED -- AFTER EXAMINER'S ANSWER OR BOARD OF APPEALS DECISION |
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