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Publication numberUS3184139 A
Publication typeGrant
Publication dateMay 18, 1965
Filing dateDec 3, 1962
Priority dateDec 3, 1962
Publication numberUS 3184139 A, US 3184139A, US-A-3184139, US3184139 A, US3184139A
InventorsSidney Conescu
Original AssigneeSidney Conescu
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Box construction
US 3184139 A
Abstract  available in
Images(4)
Previous page
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Claims  available in
Description  (OCR text may contain errors)

y 8, 1965 s. coNEscu 3,184,139

BOX GDNSTRUCTION Filed D60. 5, 1962 4 Sheets-Sheet 1 3 e F 16.2 325 F2 7 F3 3 32, mac 32c /32 INVENTOR.

3 F4 Sidney Conescu 32A Ewan 320 32A 31/ ATTORNEY May 18, 1965 Filed Dec. 3, 1962 S. CONESCU Box CONSTRUCTION 4 Sheets-Sheet 2 INVENTOR.

Sidney Conescu ATTORNEY y 18, 1965 s. CONESCU 3,184,139

BOX CONSTRUCTION Filed Dec. 3, 1962 4 Sheets-Sheet 3 F |G.I9 73E /73F ,n, 73B 73% 4 L 73M 82 INVENTOR.

Sidney Conescu ATTORNEY May 18, 1965 s, CQNESCU 3,184,139

B'OKECONSTRUCTION Filed Dec. 3, 1962 I 4 Sheets-Sheet 4 B3B F28 83I/74A 72D INVENTOR.

ATTORNEY United States Patent 3,184,139 BQX CQNSTRUCTIGN Sidney Conescu, 188 Beach 147th St, Neponsit, Long Island, NE. Filed Klee. 3, 1962, der. No. 241,5% 8 Claims. (til. 2129-43) This invention relates in general to a box construction, and more specifically to an improved display box construction of the type having an open top and circumscribing end and side panels of spaced, double wall construction.

Heretofore, it was customary to construct a box of the type to which this invention relates from a single blank of sheet material. Generally the blanks from which such boxes were formed were required to be of irregular shape, and for this reason the cutting of such blanks from a given sheet of material resulted in a relatively large amount of scrap or waste. Also it was noted that the graining in the respective box components of the type in question, e.g. the bottom, sides and end portions of the box all ran in the same direction when constructed or formed from a single blank of material. As a result the strength and rigidity of a given box constructed from a single blank was proportional to the gauge or thickness of the blank.

Therefore, an object of this invention is to overcome the foregoing disadvantages by providing a novel box construction in which the graining in the respective box components run in different directions, and therefore renders possible a box construction of greater strength and rigidity utilizing lighter gauge material than was heretofore known.

Another object is to provide a full opened, four sided box constructed and arranged from three relatively simple blanks of sheet material.

Still another object is to provide a full open box construction which can be readily assembled with a minimum of effort.

Still another object is to provide a box construction having a bottom panel integrally connected to opposed side panels of spaced double wall construction and a pair of separate and distinct end panels of double wall construction interlockingly connected to and between the respective ends of the side panels.

Still another object is to provide a box construction that is relatively simple in construction, easy to assemble, and which can be readily formed from three separate and distinct blanks of sheet material of substantially rectangular configuration.

The foregoing objects, and other features and advantagcs are attained by a box construction comprising a sheet of blank material defining a bottom panel and a pair of opposed integrally connected side panels. Accordingly the blank is formed with marginal portions that are folded about transversely extending foldlines to define a side panel of double walled construction. Interconnected between the side panels are opposed end panels, each end panel being formed from a separate and distinct blank of sheet material which when folded defines a double walled end panel. In accordance with this invention the blank defining the bottom panel and connected side panels, and the respective blanks defining each of the end panels are folded so that in the assembled position of the box, the graining of the former and latter blanks run in different directions. Each of the side and end panels are further provided with cooperating complementary interlocking means to facilitate ease of assembly.

In one form of the invention the respective doubled wall side and end panels are formed with an indented or Mattias recessed portion to accommodate specific articles which are adapted to be packed in such boxes. in another form the bottom panel may be provided with a cut-out portion to define a window for viewing an article packed therein. If desired the respective components of the box construction of this invention may be permanently secured together by suitable fastening or bonding means or the assembled box may be enwrapped in a transparent wrapper.

A feature of this resides in the provision that the graining of the bottom panel and connected side panel run in a direction different from the graining of the respective blanks defining each of the end panels.

Another feature resides in the novel complementary means by which the end panels are interconnected to and between the side panels.

Another feature resides in the provision that the respective components of the box of this invention are formed by blanks which are substantially rectangular in form, thus permitting a maximum num er of component parts to be blanked for a given sheet of material. Other features and advantages will become more readily apparent when considered in view of the description and drawings in which:

3516. l is a perspective, partially exploded view of a box construction embodying the instant invention.

FIG. 2 is a sectional view taken along line 2-2 of FIG. 1.

PEG. 3 is a plan view of the blank from which the bottom and connected side panels of the box is formed.

FIG. 4 is a plan view of the blank from which the respective end panels are formed.

FIG. 5 is an elevation view of the end panel in the folded position of the box construction of FIG. 1.

FIG. 6 is an end view of the end panel as viewed from line 6-6.

FIG. 7 is a bottom view of H6. 5.

FIG. 8 is a perspective view illustrating the box construction of this invention enwrapped in a transparent wrapping.

FIG. 9 is a slightly modified embodiment.

FIG. 10 is a perspective view of another modified embodiment.

FIG. 11 is a detail view of the end portion of the end panel.

FIG. 12 is a slightly modified end construction of an end panel.

FIG. 13 is a perspective, partially exploded view of still another embodiment.

FIG. 14 is a plan view of the blank from which the bottom panel and connected side panel of the box of FIG. 1-3 are formed.

FIG. 15 is a plan view of the blank from which the end panels of the box of FIG. 13 are formed.

PEG. 16 is a sectional view taken along line 16-16 of PEG. 18.

:FIG. 17 is an elevation view of the end panel of the box of FIG. 13.

FIG. 18 is an end view of FIG. 10.

FIG. 19 is a fragmentary bottom view of FIG. 17.

Referring to the drawings, FIGS. 1 to 7 illustrate an open top display box or carton 33 in which various articles may be packed for retail sale. Boxes of the type illustrated are particularly adapted for retailing games, toys of various kinds, books, scientific kits, models and the like. Such boxes are generally formed of suitable cardboard, paper board and the like.

The box 33 comprises a bottom panel 31, and rectangularly disposed side and end panels 32 and 33 respectively, each being of spaced double wall construction. In accordance with this invention the bottom panel 31 and side panels 32 are formed from a single blank of sheet material 34. Each of the end panels 33 are formed of a separate and distinct blank 35. The blank 34 from which the bottom 31 and connected side panels 32 are formed is illustrated in FIG. 3. Blank 34 is substantially rectangular in shape with the central portion thereof defining the bottom panel 31 of the box 30. The extended portions 34A of the blank 34 to either side of the bottom panel 31 are provided with a plurality of transversely extending foldlines about which the blank 34 is folded to define the respective side panels 32 of double wall construction. The foldlines F1, F2, F3 and F4 partition each of the extended portions 34A into an outer side wall portion 32A foldable about foldline F1 extending along the marginal edges of the bottom panel 31, a top side wall portion 323 foldable about foldline F2, and inner side wall portion 32C foldable about a foldline F3, and a securing flap 32D foldable about foldline F4. In the folded position of the blank 34-, the securing flap 32D of the respective side panels 32 are adapted to be secured to the bottom panel 31 by any suitable means, e.g. a pressure contact bonding cement or agent, glue, staples or the like. In the illustrated embodiment the flaps 32D are each provided with a layer of adhesive material, e.g. a glue or pressure contact adhesive 36.

In the folded position of the blank, as shown in FIGS.

1 and 2, the respective outer side wall portions 32A are folded about their respective foldlines F1 normal to the bottom panel 31. The respective top side wall portions 3213 connected thereto are each folded normal to the outer side wall portion 32A about respective foldlines F2, and the respective inner side walls 32C are folded about foldlines F3 relative its connected top panels. The respective securing fiap portions 32D are then folded normal to their connected inner side walls so as to overlie the bottom panel 31 and to which it may be permanently secured to maintain the doubled wall side panel 32, as described in folded position. As shown in FIGS. 1 and 3 a slot 37 is formed in the top side wall portion 32B of the respective side panels 32 adjacent each end thereof with a die cut or slit 37A extending therebeyond and into the inner side wall portion 32C. It is to be noted that in the illustrated embodiment the blank 34 is die cut and folded so that the graining thereof runs in the direction indicated by arrow 38.

The respective end panels 33, which are adapted to be connected between the ends of the side panels are each formed from a blank 35 shown in FIG. 4. The blank 35 comprises a relatively simple form that is essentially rectangular, and it is adapted to be folded about a series of foldlines F5, F6, F7, F8 that run normal to the graining of the material, the direction of graining being indicated by arrows 39. As shown, the outer end wall panel 33A is connected along a foldline F5 to the top end wall 338, and an inner end wall portion 33C being connected thereto along foldline F6. Connected along the outer edge of the inside end wall 33C about foldline F7 is a bottom end wall 33D, and a holding flap 33B is connected along foldline F8 to the bottom end wall 33D.

The inside wall portion 33C has formed by a slit or die cut 39 adjacent either end thereof a tongue or insert flap 40.

FIGS. 11 and 12 illustrate two types of slit configurations for determining the respective tongue construction 40. In FIG. 11 the tongue or insert flap 40 is formed by a V notch or cut 39A with a die slit 39B extending slightly beyond the apex of the V notch 39A. As illustrated in FIG. 12, the tongue or insert flap 40' is formed by a straight notch 39C having substantially parallel edge portions with a die slit or cut 39D extending into the blank beyond the base of the notch 39C defined.

To assemble the respective end panels 33 formed from the blank construction 35 of FIG. 4, the respective end wall portions 33A, 33B, 33$, 33!), 33B of the blank 35 defined by the respective foldlines F5 to F8 are folded relative to one another to define an end panel of substantially rectangular configuration as shown in FIGS. 5, 6, 7. The end panel 33 is maintained in assembled folded position by securing the holding flap 33E to the outside end wall as shown in FIG. 6. In the illustrated embodiment an adhesive bond is provided. In the folded position of the blank 35, it will be noted that the tongue or insert flaps 49 are formed at the extremities of the inner end wall 33C of the respective end panel 33, and

that the ends of the bottom wall 33D of the respective end panels 33 terminate inwardly of the ends of the respective end panel 33.

Therefore, with the respective blanks folded, as described and shown in FIGS. 2 and 6, assembly of the box 3-0 is had by merely positioning the respective end panel 33 between the opposed side panels 32 and inserting the tongue or insert flaps 40 thereof into the slots 37 provided adjacent the opposed ends of each side panel 32. The die split or cut 37A and 33B of the side and end panels 32 and 33 respectively serve to frictionally retain the end panels 33 in position. If desired the end panels 33 may be permanently secured to the bottom panel 31. In the illustrated embodiment of FIG. 1, a layer of pressure contact cement or other suitable adhesive 42 is provided. In an alternate construction (not shown) a fastening means, e.g. a staple may be provided to permanently secure an end panel 33 to a bottom panel 31.

In the form of the invention shown in FIG. 8, the box construction Sti as above described may be completely enwrapped by a transparent sheet of plastic material 43 or the like.

With the construction described any article placed within the box is rendered clearly visible through the open top. Also it is to be noted that the blank 34 defining the bottom panel 31 and connected side panels 32, and the respective blanks 35 defining the respective end panels 33 are folded so that in theassembled position thereof, the graining of the blank 34 runs in a direction normal to the graining of the blanks 35 forming each of the respective end panels 33. For this reason a box of much more rigid construction and increased strength can be achieved with less paper board, i.e. the guage or thickness of board for a given box can be substantially reduced without sacrificing either strength or rigidity of a box formed therewith.

FIG. 9 illustrates a slightly modified box 50. Box is similar to box 30, described with reference to FIGS. 1 to 7, except that portions of the inner walls of the respective side and end panels may be provided with cut out portions to define openings 51 and 52 respectively. This opening 51, 52 may be provided to accommodate portions of articles (not shown) which are to be displayed in the box, and thus serve as a means for holding the articles against shifting therein, eg the tips of model airplane wings or the like may be extended into the opening 50, 51 defined.

FIG. 10 illustrates a further modification. In this form the box is similar to any of the constructions hereinbefore described except that the bottom panel 61 is provided with a substantial cut out to define a window 62. Thus, this box may be employed to pack a game having an instruction sheet, book or the like 63 so that the game content may be viewed from the open top, and the instructions 62 for playing the same may be viewed through the window 62 provided in the bottom panel 61. A transparent wrapper 64 may be provided to enwrap the entire box 60, as hereinbefore described with reference to FIG. 8. As an alternate construction the transparent wrapping may be stretched across the open top of the boxes 30, St or 60 only if desired.

FIGS. 13 to 19 illustrate still another form of the invention. This embodiment comprises a box construction which is also made up of a bottom panel 71 having integrally connected side panels 72 and distinct end panels 73 connected therebetwcen. The bottom 71 and connected side panels 72 are integrally formed from a blank of sheet material 74 shaped and die cut as shown in FIG. 14.

As shown, blank 74- comprises a substantially rectangu lar sheet of blank material in which the central portion 74A defines the bottom panel 71 of the assembled box, and the portions 743 extending to either side thereof being folded about spaced transversely extending foldlines F16, F11, F12, F13 which define an outer side wall 72A, a top side wall 728, and inner side wall 72C, and flaps 72D for securing the respective side panels in folded position to the bottom panel. As shown, the graining of the sheet material 74 runs in the direction indicated by arrow 75.

in accordance with this invention each of the side panels 72 when folded is provided with a recessed portion 75. This is attained by blanking a bottom side wall portion 725 out of the inner side wall 72C. As shown in FIG. 14, the bottom side wall 7215 is defined by a pair of die cuts 77 disposed intermediate the length of the respective inner side wall 72C.

Connected to the outer longitudinal edge along score line F15 of the bottom side wall 72E is a flap 72F by which the bottom side wall 72B is maintained in position when the blank 74 is folded. In the illustrated embodiment a layer of glue 73 is coated to the flap 72D on the visible side of board 75 and flap 72F is coated with glue 73 on the under surface or" the blank 74.

To assemble the blank 74, the respective outer side walls 72A are folded about their respective foldlines Fllb as shown in FIGS. 13 and 16. The respective top side walls 725 are folded inwardly about their respective foldlines F11. The inner side walls 72C are respectfully folded about foldlines F12, and the fiaps 7213 connected to the respective ends of the inner side walls 72C are folded about fold or score lines F33 so as to overlie the bottom panel 71 as seen in FIG. 13. As shown the flaps 72D extend inwardly of the box. The recess 76 in the respective side panels is attained by folding the respective bottom side wall 7233 about its respective foldline F14- so as to extend between the inner and outer side walls 72A and 72C of the respective panels 72. The arrangement is such that the bottom side wall 72B is disposed between and substantially parallel to the bottom panel 71, and the top side wall 72B of the respective side panels 72. Thus, as best seen in FIG. 13, the area of the box is extended by the recesses 76 defined in the side panels 72 and the recess in end panels 73 as will be herein described.

Each of the end panels 73 are formed from a blank 80 shaped and die cut as seen in FIG. 15. Blank 8b is provided with scored foldings F29, F21 adjacent each end thereof to define flaps 73A, 7313 respectively, and a plurality of spaced transversely extending foldlines F22, F23, F24, F25, and F26, to define the respective wall portion of the end panel 73. The respective foldlines F22 to P26 define therebetween an outer end wall 73C, a connected top end wall 73D, an inner end wall 73E, and intermediate horizontal wall 73F. Connected about foldline F22 to the outer side wall 73C is a bottom wall portion 736 which is adapted to rest on the bottom panel 71 of the box 7i? in the assembled position thereof. Intermediate foldline F22, the blank is provided with a die cut 81, so that in the folded position of the blank, the die cut 81 coincident with foldline F22 defines a slot 82. See FIGS. 17, 18. As will be hereinafter described, the slot 82 is adapted to receive a locking or locating flap 83 connected to opposed sides of the bottom blank 74.

Connected along foldline F26 of the bottom wall 73G of the end panel 73 is an intermediate upright wall portion 73H. it will be observed that the intermediate bottom wall 73F and connected fiap 73A have a reduced length as compared to the outer, top and inner end panel portions 73C, 73D and 73B, as do the bottom, lower verti- Cir cal and connected flap portions 73G, 73H, and 73B. The inner end wall 7313 is provided with spaced die cuts 85 which define in the extended ends thereof a tongue-or insert 36 which is adapted to be received in the slots 87 formed in the top wall 72B of the respective side panels '72 adjacent the ends thereof. As shown the respective tongue 8% and slot 87 are provided with extended die cuts titiA and 87A respectively which are adapted to interlock in the assembled position of the box 79 to frictionally retain the end panels 73 between the side panels 72.

As best seen in FIGS. 17 to 19, the blank 80 is folded so that the outer end wall 73C is folded about foldline F23 normal to the top end wall 73D, and the inner end wall 73E foldable about the top end wall about foldline P24. in the illustrated embodiment it will be noted that the inner end wall 73E is of less height than the outer end wall 73C. Folded inwardly about foldline P25 is an intermediate wall 73F which extends between the inner and outer end walls 73C and 735. A flap 73A foldable about score l-ine Flt is adapted to be secured to the outer end wall 73C. Accordingly the bottom wall 736 is tolded about foldline 522, the bottom end wall 736 being of less width than the top wall 731). Foldable normal to the bottom end wall 736 and adapted to extend to the intermediate wall 73? is a lower vertical end wall 735, and the flaps 73B foldable about score line F21 are adapted to be secured in position to the intermediate panel 73F. Flaps 73A and 73B may be secured to their associated wall portions 73C and 73F, respectively, either by a suitable adhesive or by suitable fastening means, such as staples or the like. In the illustrated embodiment the ilaps 73A are coated with a layer of glue or the like 855 by which they are adhered to the adjacent end wall portions 73C. Thus in the folded portion of the end panel a recess or indentation 89 is provided in the inner portion of the respective end panels 73. in accordance with this invention the respective blanks 74- and 8b are folded so that in the assembled position of the box 7%), the graining (arrow 75) of the blank '74 defining the bottom 71 and side panels 72 runs normal to the graining (arrow 84) of the blank defining the respective end panels 73.

With the respective blanks 7d and 80 folded as described, it will be readily apparent that assembly of the box is readily attained by positioning the respective end panels 73 so that the tongue portion 86 thereof can be readily inserted and interlocked with the slots 87 defined in the top wall 72B of the respective side panels 72.

The respective end panel 73 may be interlocked to the bottom panel 71 by the locking flap 83 connected to the opposed edges of the bottom panel 71. As shown, each fiap 83 is provided with foldlines F27 and Fi about which the portions 83A, 83B of the fiap 83 may be folded. Portion 83A of the respective flaps 83 is die cut from the bottom panel 71 and it is hinged thereto about foldline F27. For this reason, the flap 83 can be swung outwardly of the box 7% so that the insert portion 833 t ereof can be inserted into the slot 82 formed by die cut 81 in the respective end panels 73. Thus the flaps 83 and interlocking means 86, 37 of the side and end panels 72, 73 cooperate to maintain the box 7b in the assembled position.

If desired the box may be enwrapped in a transparent sheet of material as hereinbefore described.

The box 7% described provides a rigid construction with integrally formed indentations or recesses '76 and 89 delined in each of the side and end panels 72, 73 respectively. The indentations 76, 89 serve as means for retaining and prohibiting shifting of an article packed in the box. The respective folds of the respective end and side panels also greatly strengthen the box. For this reason a stronger and more rigid box construction is possible with a board of minimum weight or thickness. Also the normally disposed graining of the respective blanks 74, 86 further renders the box more rigid than a comparable box formed of single blank of material.

If desired the end panels 73 may be provided with a cut out portion 96 for accommodating specific articles.

While the instant invention has been disclosed with reference to a particular method and a particular embodiment for practicing the same, it is to be appreciated that the invention is not to be taken as limited to all of the details thereof as modifications and variations thereof may be made without departing from the spirit or scope of the invention.

What is claimed is:

1. An open top display box comprising a blank of sheet material substantially rectangular in form, said blank of sheet material defining a bottom panel and a pair of side panels integrally connected to opposed marginal edges of said bottom panel, each of said side panels being defined by an outer side wall portion foldable along a foldline coincident with the respective opposed marginal edges of said bottom panel, a top side wall portion connected along a foldline extending along the outer edge of the respective outer side wall portions, an inner side wall portion foldable about a'foldline extending along the outer edge of the respective top side wall portion; and a securing flap foldable along a foldline extending along the outer edge of the respective inner side Wall portions, the respective side wall portions being folded substantially normal to an adjacent side wall portion to define a side panel of spaced double wall construction in crosssection with the securing flap portion thereof overlying said bottom panel, means for permanently securing the respective securing flap of each of said side panels to said bottom panel, a slot formed adjacent each end portion of said top side Wall portions of the respective side panels, and an end panel connected between said side panels at each end thereof, each of said end panels being formed from a separate and distinct blank of sheet material, each of said latter blanks being provided with transversely extending foldlines to define in the folded position thereof an end panel of spaced double wall construction in crosssection including an outer end wall portion, a connected top end wall portion, an inner end wall portion connected to said top and wall portion, a bottom end Wall portion, and flap means for securing the respective end wall portions of said end panels in folded position thereof, the inner end wall portion of the respective end panels being provided with a slit adjacent the ends thereof to define end tongue portions adapted -to be received in the slots defined in said top wall portions of said respective side panel in the assembled position of said box.

2. The invention as defined in claim 1 wherein the graining of the sheet material defining the bottom panel runs normal to the graining of the respective blanks of sheet material defining each of said end panels.

3. An open top display box comprising a first blank of sheet material, said first blank having a plurality of spaced transversely extending foldlines to define a bottom panel and a pair of side panels, each side panel being connected to an opposed marginal edge of said bottom panel, and each of said side panels including an outer side Wall portion connected along a foldline extending along a marginal edge of said bottom panel, a top side wall portion connected along a foldline extending along the outer edge of the respective side wall portions, an inner side wall portion foldable about a foldline extending along the outer edge of the respective top side wall portion, a bottom side wall blanked out of each of the respective inner side wall portions and foldable about a foldline extending in the plane of said inner side wall portion to define a recess in said side panel in the folded position of said blank wherein bottom side wall portion is spaced above said bottom panel, and a flap connected along the outer edge of the respective bottom side wall portions, means for securing said flap to the outer side wall, securing flaps connected to the end portions of said inner side wall and foldable about a foldline so as to overlie said bottom panel, means for securing said securing flaps to said bottom panel for maintaining the side panels in erected portion, and a second and third separate and distinct blank of sheet material, each of said latter blanks being folded to define end panels having an outer end Wall portion, a top end wall portion connected to said end wall portion, an inner end wall portion connected to said top Wall portion, an intermediate bottom end wall portion spaced from said bottom panel, and cooperating means for securing said end panels to and between said side panels.

4. An open top display box comprising a first blank of sheet material having a plurality of transversely extending foldlines about which said blank is folded to define a bottom panel, and a pair of opposed integrally connected side panels, each of said side panels including spaced apart inner and outer side Wall portions, a top side wall portion and a horizontally spaced bottom side wall connected between said inner and outer side wall portions, said bottom side wall being spaced above said bottom panel to define therebetween a recess, and means for maintaining said side panels in erected position on said bottom panel, and a second and third blank of sheet material, each of said latter blanks being folded to define a double walled end panel, and means for interlocking said end panels to and between said side panels.

5. The invention as defined in claim 4 wherein the graining of the end panels run normal to the graining in the bottom panel.

6. An open top display box comprising a first blank of sheet material, said first blank having a plurality of spaced transversely extending f-oldlines to define a bottom panel and a pair of side panels, each of said side panels including an outer side wall portion connected along a foldline extending along a marginal edge of said bottom panel, a top side wall connected along a foldline extending along the outer edge of the side wall portions, an inner side wall portion foldable about a foldline extending along the outer edge of the top side wall portion, an intermediate bottom side wall portion blanked out of the inner side wall portion, said intermediate wall being foldable about a foldline extending in the plane of said inner side wall portion to define a recess in said side panel in the folded position of said blank wherein the bottom side wall portion is spaced above said bottom panel, and a flap connected along the outer longitudinal edge of the bottom side wall portion, means for securing said flap to the inner side wall, securing tabs connected to the end portions of said inner side wall on either side of said intermediate bottom wall portion and foldable about a foldline so as to overlie said bottom panel, means for securing said securing tabs to said bottom panel for maintaining the respective side panel in erected portion, and a second and third separate and distinct blank of sheet material, each of said latter blanks being folded to define end panels having an outer end wall portion, a connected top end wall portion, an inner end wall portion, a bottom end wall portion spaced from said bottom panel, cooperating means for connecting said end panels to and between said side panels, and cooperating means for interlocking said end panels to said bottom panel. 7. The invention as defined in claim 6 wherein said latter cooperating means includes a slot formed in each of said end panels, and a locking tongue extending beyond the ends of said bottom panel, said slot of the end panels being disposed in alignment with said locking tongue whereby the latter is received in the former.

8. The invention as defined in claim 7 wherein said locking tongue has a portion thereof blanked out of said bottom panel and said latter portion being hinged to said bottom panel about a foldline, and a second portion adapted to be received in the slot of said end panel connected to said first portion and foldably hinged thereto about a foldline.

(References on following page) Referenees -Cited by the Examiner UNITED STATES PATENTS Cowan 206-4533 Rosen 206-4533 Atkins 229-23 5 Gray 229-23 Woodward 229-23 Anderson 229-34 Vander-Lugt 229-34 Jason 229-23 FRANKLIN T. GARRETT, Primary Examiner.

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Referenced by
Citing PatentFiling datePublication dateApplicantTitle
US4166529 *Mar 14, 1978Sep 4, 1979Champion International CorporationCylinder style display box
US4877932 *Aug 15, 1988Oct 31, 1989International Paper CompanyMicrowave container assembly
US6138904 *Nov 5, 1997Oct 31, 2000Inland Paperboard And Packaging Inc.Three-piece container
US8272560Sep 3, 2009Sep 25, 2012International Paper CompanyContainer with triangulated corners
US20080011746 *Apr 22, 2005Jan 17, 2008Karlheinz RissmannFolding Box With Folding Bellows
US20100065621 *Mar 18, 2010International Paper CompanyContainer With Triangulated Corners
Classifications
U.S. Classification229/122.24, 229/162.1, 229/167
International ClassificationB65D5/32, B65D5/00
Cooperative ClassificationB65D5/32
European ClassificationB65D5/32