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Publication numberUS2655081 A
Publication typeGrant
Publication dateOct 13, 1953
Filing dateJul 20, 1948
Priority dateJul 20, 1948
Publication numberUS 2655081 A, US 2655081A, US-A-2655081, US2655081 A, US2655081A
InventorsBurger Martin
Original AssigneeGen Package Corp
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Carton setup machine
US 2655081 A
Images(10)
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Description  (OCR text may contain errors)

Oct. 13, 1953 M. BURGER 2,655,081

CARTON SETUP MACHINE Filed July 20, 1948 10 Sheets-Sheet l 1N VEN TOR.

Oct. 13, 1953 M. BURGER CARTON SETUP MACHINE 1O Sheets-Sheet 2 Filed July 20, 1948 4 INVENTOR. 2272 5117:9671

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E N m RC aw m U T 5% Mm T R A C Get. 13, 1953 10 Sheets-Sheet 6 Filed July 20, 1948 Oct. 13, 1953 M. BURGER CARTON SETUP MACHINE 1O Sheets-Sheet 7 Filed July 20, 1948 Q my my W w w Q m Q WNW L, p2 4 m W T 1 .n a W t m m AN .RNK l MY g 1% m E mm m IS W fi Oct. 13, 1953 M. BURGER ,081

CARTON SETUP MACHINE Filed July 20, 1948 10 Sheets-Sheet 9 IN V EN TOR.

flarfaz Faye M. BURGER CARTON SETUP MACHINE Oct. 13, 1953 10 Sheets-Sheet 10 Filed July 20, 1948 INVENTOR. fla/"Zfiz 5242:9627

Patented Oct. 13, 1953 CARTON SETUP MACHINE Martin Burger, Morris, 111., assignor to General Package Corporation, a. corporation of Delaware Application July 20, 1948, Serial No. 39,688

39 Claims.

This invention is concerned with mechanism for assembling and erecting egg cartons of the type which when set up provide two rows of egg receiving compartments arranged on opposite sides of a medial double walled partition, and closing flaps which are adapted to be folded over the respective rows of compartments to provide separate covers for the rows of eggs.

The carton which the mechanism of the present invention is particularly designed to assemble and erect comprises a body constructed from a single sheet of paperboard which is transversely scored to permit it to be folded to form a double medial partition wall, side walls and cover flaps, and which is provided with two rows of transversely spaced slots or apertures, each slot extending into the medial partition wall and one side wall, and a plurality of separate cross walls constituting the cross divisions which are adapted to be inserted through the rows of registering slots to separate the space on opposite sides of the medial partition into a plurality of individual egg receiving cells or compartments.

Heretofore in the shipment of cartons of this general character it has been customary to properly score and cut the body blanks, to fold each blank about a medial line and insert through the registering slots a set of cross partition members, to nest the cross partition members into flatwise overlapped relation and to fold back over the same the side wall and cover forming portions of the carton into flatwise or knocked-down relation so that a consignment of cartons will occupy but a small space during shipment. When received in this condition it has been necessary for the user to set up the carton by spreading the cross partition members into transverse relation and hooking the ends of the same into the side wall forming portions of the carton in the intended manner to provide the rows of compartments after which the eggs may be inserted and the cover members folded over the top to close the carton. Machines for automatically assembling the cartons and their cross partition members in knocked-down condition and separate machines for subsequently setting up the knockdown cartons have been deviseed.

It is a general object of the present invention to provide a single machine or mechanism for assembling the body blanks and the separate cross partition members and for simultaneously erecting the cartons in completely assembledand erected form ready for the egg filling operation whereby the carton supplier is enabled to ship the carton blanks and the cross partition members in completely flat and unassembled condition, which results in considerable saving of shipping space, and whereby the user of the cartons may be supplied with the machine for installation at the point of use to automatically assemble and completely erect the cartons in one operation.

It is a more specific object of the invention to provide a single machine or mechanism for the purpose described which comprises means for receiving and successively feeding from a stack thereof the carton body forming blanks, means for feeding from a plurality of stacks the required number of cross partition forming blanks in the proper relation for assembly with the respective body forming blanks, means located intermediate the carton body blank and cross partition feeding means adapted to present the successive body blanks in partially folded condition with the slots in the medial partition and side walls in registry for receiving the cross partition blanks, and means for completing the insertion of the cross partition blanks and the erection of the carton.

It is a still more specific object of the invention to provide a machine for the purpose described which comprises a generally rectangular frame structure having an oscillatable mandrel extending transversely intermediate its ends, a feeding mechanism for successively delivering body blanks to the mandrel from one end of the frame, a feeding mechanism for successively delivering a plurality of partition forming blanks in edgewise transversely aligned and spaced relation to the mandrel from the other end of the machine and for thereafter inserting the partition blanks in aligned slots in a body blank on the mandrel and a folding head mounted for movement in timed relation toward and from the mandrel to hold successive body blanks on the mandrel for reception of the partition blanks and thereafter to fold the body blanks about the partiticn blanks in interlocking relation therewith and to transfer the completely assembled and erected cartons to a mechanism for delivery from the machine.

These and other objects of the invention will be apparent from a consideration of the preferred form of the machine which is shown by way of illustration in the accompanying drawings, wherein:

Fig. 1 is a perspective view of a carton erecting and assembling machine incorporating therein the principles of the invention;

Fig. 2 is a side elevation of the machine with portions thereof broken away;

Fig. 9 is a section taken on the line*99"of Fig.5;

Fig. 10 is a section takenon theslineslfl- -lfl of Fig.5;

Fig. 11 is a section taken on.the line. ll-ll of Fig. 10;

Fig. 12 is a schematic plan view showmg thei relative position of the: carton body forming blank and the transverse partition forming blanksat onestage in the operationof the machine;

Fig. 13 is a schematic elevation in a longitudinal directionshowing the. relative position of the carton forming members;-

Figs. 14, 15, 16 and 17 are schematic views similar to Fig. 13 illustrating different stageseof operation of themachinea Fig. 18 is a plan view of-a bodyforming .blank which is-adaptedfor use inthe machine;

Fig. 19 isa plan view showing the body. blank folded about the medial line;

Fig. 20 is a plan .view ofa cross partitioniorming blank which is adapted. for use withv the body blanks of Fig. 18; and

Fig. 21 isa perspectiveview of acompletely assembled carton.

The machine of the present. invention is particularly designed to assemble andreectacarton ofthe type which is. disclosed in my copending application Serial No. 26,331., filed-.May 11, 1948; A carton of thisgeneral type,.as.-illustratedin Figs. 18 to 21 of the drawingsyincludes. algenerally rectangular. body. forming blank "I (Fig. 18) which ispreferably scored. and. out from paperboard stock.-

The blank I 0. is provided .with-amedial. transverse score line I I,.which.permits.it tobeiblded upon itself (Fig. 19) for shipment andlalsofor U insertion inthe machine,. and with. spaced par allel score lines 12, I3. andl tiarranged on.opposite sides. of. the medial score. line- H. The blank 10 is adapted to befoldedaboutlthe score lines when the carton is. erected to. provide. a carton body havingv in cross section thegenerali form of the letter W.

The portions IE or the blank Ill between the. medial score line I I and the adjacent score lines.

members for the two rows of egg,- receiving.

The portions 21 and 22. between thescore lines 14 and the ends 23 and, respec-- pockets.

tively, of the blanks areadaptedto'provide tucking tongues. or flaps for the-cover members 20,

the flap forming portion 2|- havingits corners.

cut away on an obliqueline-at 25.- Alplurality of circular aperture 26 are spaced, along. the

For

,4 medial score line ll. Two rows of transversely spaced slots 21 are provided in the blank which slots extend longitudinally on opposite sides of the transverse score lines I2. The slots 21 are arranged on opposite sides of the medial partition forming portions of the blank so that the slots in one row are aligned or registered with the corresponding slots" in' theother row when the blank is folded about"- the medial line H (Fig. 19).

The carton also includes a plurality of cross partition or cross wall forming members 28 which are" preferably formed of paperboard material; Each cross wall member 28 is of genera'lly'rectangular' form having an upper edge 29 and a bottom edge 30, the latter being pro vided. with rounded corners. The side edges extend vertically from the bottom at 3| and are notched or provided with inwardly and downwardly extending slotse 32. The upper portion of. one: side edge 34- is cut. away on an oblique line at 33.' A vertical slot 34 extends downwardly inthe centerregion from the upper edge 29.. One edge/0f thematerial defining the slot 34 is cutalonganoblique line 35 to provide a flared opening while the. opposite edge of the material is provided. with a lug formation or looking shoulder 36.which.extends partly across the entrance tothe slot'3'4.

In assemblingthe carton the cross wall forming members are first aligned with and inserted in theslots 21in the body forming blank 10, after which they are moved-to position the medial partition. forming portions of the body 10. in theslots 34 with the locking shoulders 36 extendinginto. the semi-circular notches provided by the. apertures 25,-. and finally the'side wall forming portions l9.of.the body H) are positioned tov bringtheouter ends of the slots 21 into interengaging.relationin the slots 32'v of the cross wall. members 28. The carton is then completely erectediand ready tobe filled with eggs.

Referring, more particularly. to. Figs. 1. to -11 of. the. drawings, therev is illustrated an automatic machine which is adapted to assemble the requirenumber of. cross. wallmembers 28 with successively presentedlbody forming blanks m andv to deliver the completely set-up cartonsin a continuous manner.

The machine comprises a rectangular top frame. 3]. supported on. foun legs. 38 and a rectangular. bottomi'rame. 39. connected at. the four corners to the.legs.38. Atop. plate 49. at one end of. the. frame 31 supports four upstanding angle members 4| which form a vertical compartment'for. receiving a: stack of' the carton body blanks Hl-in the. folded-condition illustrated in Fig. 19; the blanks Ill-being. positioned with the folded edges in adirection. toward. the center of the machine, the end-or trailing edges being in the-direction. toward the front end of the machine, as viewed in Fig. 1,,and the side of the.

folded blankhaving the. cornerscut away at 25 being uppermost.

A pair. of. reciprocating. pushers 42 are. provided, having abutment shoulders 43 on their.

longitudinally extending'guide bars- 41 which are The pushers42 reciprocate in secured at their ends 48 on opposite sides of the slots 44 and in spaced relation below the top plate 46]. The cross bar it is provided on its ends with depending brackets 49, which are pivotally connected to links 50. The links 5E1 are pivotally connected to the ends of arms 5i which are secured to a cross shaft 52 journaled in side bearing brackets 53 which depend from the top frame members 31. An arm 54 secured on the shaft 52 is pivotally connected to one end of an adjustable operating link 55 which is provided with a forked end 56 which straddles the transversely mounted cam shaft 5'! and which is reeiprocated by a cam roller 58 secured adjacent the forked end 56 and operating in a cam track 59 in a face cam ti] on the cam shaft 51.

The transverse cam shaft 53 is journaled in side brackets EiI which project upwardly from the side rails of the bottom frame 39 of the machine. The oam shaft 5'? is adapted to be driven in any suitable manner from a suitable source of power and constitutes the main drive for the machine, all the operating mechanisms being driven by means of sprockets or cams mounted on this shaft.

The pushers 42 are reciprooated to feed the carton body blanks Iii, one by one, from the bottom of the compartment formed by the vertical members 4!, the forward flanges of the two forward vertical members 4I being cut away at the base thereof at $2 to provide clearance for a single blank It).

The blanks IEI are delivered by the pushers 42 into the bite of pairs of cooperating feed rollers 63, 611 which are mounted in spaced relation on the transverse shafts 65 and fit, respectively. The shafts 65 and 56 are arranged immediately adjacent the forward vertical members ii in po' sition for the feed rollers 63, 5 2 to receive the folded edge of each successive carton blank It) as it passes through the cut away portion 6?. at the base of the forward vertical members GI. The shaft 35 is journaled in upstanding spring pressed bearing supports El mounted on the side members of frame The shaft 68 is journaled in bearing brackets 6% depending from frame 3'? beneath the bearing supports $1. The lower shaft is provided with a drive sprocket 69 which is connected by a chain iii with a sprocket lI secured on the transverse power shaft 51. Shafts t5 and 66 are provided adjacent the one end with intermeshing pinions or gears I2 and "It.

The top plate member til terminates adjacent the forward vertical members M with a central portion M extending a short distance forwardly between the pairs of feed rollers E3, E4 and with side portions ?5 extending forwardly the same distance along the outer sides of the pairs of feed rollers 63, 5 The plate extensions M and i5 form bottom guide and supporting means for the central and side portions of the folded carton blank It. Top side guide members is are mounted on the forward vertical members 4i and extend in spaced relation above the plate extensions l5 a sufficient distance to accommodate the folded blank as it passes between the feed rollers 63, 6d. The top guide members l6 extend somewhat beyond the bottom guide plate extensions l5 and their inside edges are cut away on an oblique line 7'7 at the ends thereof for a purpose which will be described.

The carton blank It is delivered by the pairs of feed rollers 63, 64 to an oscillating mandrel It which is mounted on a shaft "I9 extendin 6 I transversely of the central portion of the ma chine. The shaft I9 is journaled adjacent its ends in upstanding bearing brackets 82 which are supported on the side members of the top frame 31 of the machine.

The mandrel I8 is provided with an axially extending slot having an outwardly opening V- shaped portion BI and an inwardly extending relatively short narrow rectangular portion 82. In the initial blank receiving position the mandrel 18 is positioned with the slot portion iii opening toward the feed rollers 63, 64 and at a slight upward angle from the horizontal. In this position the mandrel I8 is adapted to receive the folded edge portion of the carton blank in the slot portion 82 as the blank is moved forward by the feed rolls 63, 64. The mandrel I8 is also provided with a plurality of transverse slots 83 which are axially spaced to correspond with the transverse spacing of the slots 21 in the carton blank I0 and which extend transversely across the greater portion of the mandrel (Figs. 4 and 5) The mandrel shaft IQ is provided adjacent one end with an arm 84 (Fig. 2) which is pivotally connected to one end of an adjustable link 85. The other end of the link I35 is pivotally con nected to one end of a cam arm 86. The cam arm 86 is pivoted at its other end on a bracket 8: (Fig. 10) which is supported on a cross bar of lowor frame 39 and is provided with a cam roller 36 operating in a cam track of the double face cam 26 which is mounted on the cam shaft 5?. The shaft I9 is oscillated by rotation of the cam 90 to provide for intermittent movement of the mandrel I8 between the carton blank receiving position (Fig. 5) and a position in which the slot portions BI and 82 extend in a vertical direction (Fig. 14). In the latter position the carton blank is partially opened out and the cross partition forming members 28 are assembled therewith by mechanism which will be described.

A supporting plate member 2| is provided on the top of frame 31 at the rear end of the machine and a plurality of angle members as extend upwardly therefrom (Figs. 4 and 5) which are arranged to provide seven compartments es extending transversely in a row adjacent the end of the machine. The angle members 92 are held in vertical position by upper and lower rectangular frame members as and 95. The lower frame 95 is secured to the plate member 95 some dis tance above the same. Each compartment es is adapted to receive a stack of the partition forming blanks 28 arranged in flatwise relation and in the relative position shown in Fig. 12.

The partition blanks 28 are fed from the soon partments 93 by pusher plates 86. The pusher plates 96 reciprocate beneath the compartments 93 on the top surface of the supporting plate 9i. Each plate 95 is provided with an intermediate shoulder 91 on its top surface and a recessed portion 98 upon which a single blank 28 is seated for delivery out of the stack and into an erecting area 99 (Fig. 4) immediately adjacent the compartment 93 on the side toward the center of the machine.

Each pusher plate 96 is secured at one end to a cross bar I00 which is movable on the supporting plate 9 I. A slot MI is provided in the supporting plate 9| beneath the path of movement of each pusher plate 96. A cross bar I02 extends crosswise of the machine beneath the supporting plate 9| and the pusher plates 96 are connected thereto through the slots IGI. The cross bar I92 is pro vided with a depending bracket I 03 which is pivotally connected to one end of a link I04. The other end of the link I04 is pivotally connected to the end of one arm I of a bell crank mounted for pivotal movement on the cross bar I06 which is supported by side brackets I01 (Fig. 2). The other arm I08 of the bell crank is connected to one end of an adjustable cam rod I09 (Figs. 5 and 11). The rod I09 is provided with a forked end IIO which straddles the power shaft 51 and with a laterally extending cam roller III which travels in the cam track II2 of the face cam I I3 secured on the power shaft 51. Rotation of the shaft 51 thus provides reciprocating movement of the pusher plates 96 for feeding the partition blanks 26 from the compartments 93.

As the partition blanks 28 are moved out of the compartments 93 by the feed plates 96 the blanks are held in a flatwise position by springs I I4 and return movement is prevented by depending stop members II5 which are pivotally mounted on brackets II 6 secured to the forward vertical members 92. The stop members II5 are moved upwardly by the blanks 28 as they pass beneath the same after which they drop into the path of movement of the blanks and prevent return movement of the same.

Upstanding pins I I1 provide stops for limiting the movement of the blanks 28 in the forward direction while the blanks are in flatwise position. The blanks 28 are confined laterally of the. machine by. transversely spaced vertical plate members IIB which separate the erecting areas 99. Each plate member I I8 constitutes a vertical abutment against which the respective blanks are moved as they are tilted about the top edges 29 to bring them into vertical edgewise position for further movement toward the center of the machine.

The partition blanks 28 are erected or turned on edge against the plate I I8 by a series of arms II9 (Figs. 5 and 9) which are pivotally mounted at I on a fixed cross bar |2I depending beneath the plate 5|. The arms II9 are pivotally connected at I22 to a transverse operating plate I23. Each arm member H9 is adapted to pivot about the point I23 to project its end through a transverse slot I24 in the plate 9| to engage the blank 28 and tilt the same about the edge 29 into vertical position against the plate H8. The blanks 29 are retained in the vertical position by fingers I25 each of which is pivoted at I26 to a cross bar I21 supported at its ends by angle members I23 (Fig. 5) mounted on the frame 94. Each finger I25 has a limited pivotal movement between stop pins I29 and I30 being normally positioned with its free end projecting into the path of movement of the blank 23 as it is moved into vertical position by the erecting arm II9. Movement of the blank 28 lifts the finger I25 out of the way until the blank 28 is in the verticalposition whereupon the finger I25 is free to drop back into normal position to prevent return movement of the blank 28. v

The blank erecting arms I I9 are rotated about the pivots I20 by movement of the cross bar I23. The bar I23 is provided with a downwardly projecting arm I3I carrying on its end a cam roller I32 which is held in engagement with a cam plate I33 by operation of a spring I34 secured at one end to the end of plate I23 and at the other end to a pin I35 depending from the fixed cross bar I2I.

The cam plate I33 is secured on the end of a stub shaft I36 which is journaled in a depending bracket I31 and provided at its other end with a miter pinion I38 which is driven by a cooperating miter pinion I39 on a transverse shaft I40. The shaft I40 is supported by depending end brackets MI and is driven by means of a sprocket I42 secured thereon and a chain I43 which is in turn driven by a sprocket I 44 (Fig. 10) secured on the power shaft 51.

The vertical plate members |I8 are extended towards the center of the machine to form one side of narrow guideways in which the blanks 23 travel as they are moved toward the mandrel 18. The extended portions of each plate I I0 comprise a rear end portion I45 and a front end portion I46, the latter terminating in an upwardly angled extension I41 which overlies a portion of the mandrel 18 and is curved at the bottom at I48 to conform to the surface of the mandrel 13. Cooperating vertical plates having rear end portions I49 and front end portions I50 which are arranged in spaced relation to the corresponding plate portions I45 and I46, respectively, form the other side of the guideways for the blanks 28. The center guideway is substantially straight longitudinally of the machine, and aligns with the center one of the slots 83 in the mandrel 18. The guideways on each side of the center one have the rear end portions converging toward the center of the machine and the front end portions in spaced parallel relation and in alignment with the respective slots 83 in the mandrel 18 so that a partition blank 28 is guided from each erecting area 99 to a slot 83.

The main portion of plate 9| underlies and supports the rear end guideway forming memaers I45 and I49 which are secured to the plate 9| by brackets I5I. A central extension I52 on the plate 9| underlies and supports the front end guideway forming members I46 and I50 which are secured to the plate extension I52 by brackets I53. The length of the guideway is such that there are always two transverse rows of partition blanks 28 positioned in the guideways for movement towards the mandrel 18.

The partition blanks 28 are moved from the erecting areas 99 adjacent the compartments 93 into the narrow guideways by a cross bar I54 (Fig. 5) which is connected by side bars I55 and angle members I56 to the cross bar I00 which carries the blank feed plates 96 so that the erected blanks 28 are moved out of the erecting area 99 as the blank feed plates 96 feed the next set of partition blanks 28 into position for erection by the arms H9. The preceding rows of the partition blanks 28 in the guideways are simultane ously moved towards the mandrel 18 by transverse pusher bars I51 and I58. The pusher bars I 51 and I58 are angular in cross section and are connected at their sides by longitudinally extending side members I59. Each of the side members I59 is pivotally connected at I60 to a side member I55 so that the pusher bars I54, I51 and I58 and the blank feed plates 96 are moved towards and from the mandrel 18 simultaneously.

The pusher bars I51 and I36 are given a compound movement by means of cam rollers |6I which are mounted adjacent the ends of the pusher bar I51 on the side members I59 and which are operative in a movable cam track I62. The cam tracks I62 are supported for vertical movement by pairs of parallel links I 63 and I64 (Fig. 2). Links I63 are pivoted at I65 to the cam track I62 and at I66 to the side members of the top frame 31 of the machine. Links I64 are pivoted at the upper ends at I61 to the cam tracks I62 and secured at the lower endsto stub shafts I68 journaled in the frame members of the machine. The stub shafts I68 have secured thereto arms I69 which are pivotally connected at I10 to links I1I which are in turn pivotally connected at I12 to arms I13 secured on the ends of the mandrel carrying shaft 19. By means of this arrangement oscillation of the shaft 19 raises and lowers the cam tracks I62 and the pusher bars I51 and I58. The vertical movement of the pusher bars I51 and I58 is coordinated with the reciprocation of the bars to provide a four-motion feed for moving the partition forming blanks 28 toward the mandrel 18.

A folding and gripping head I14 is provided for cooperation with the mandrel 18 to hold the successive carton body members I in position on the mandrel 18 while the cross partition blanks 28 are assembled with the same and for thereafter removing the assembled carton in partially set-up condition to a folding member which cooperates therewith to complete the setting up of the carton.

The folding head I14 is shown in Figs. 2, 3 and 5 in an intermediate withdrawing position with the gripping members engaging the partially erected carton while it is being carried away from the mandrel 18. In Figs. '1 and 8 the folding head is shown in detail to an enlarged scale with the gripping members thereof in the position they assume when the carton has been released and removed from the head.

The folding head I14 comprises a U-shaped cross frame having a bight portion or member I15 extending transversely of the machine and side arms I16. The ends of the side arms I16 are pivoted at I11 to supporting brackets I18 mounted on the top plate 40 at opposite sides of the machine (Fig. 4). The side arms I16 are pivotally connected at I19 to the ends of adjustable links I80 (Fig. 2). The other ends of the links I80 are pivotally connected at I8I to arms I82. The arms I82 are pivoted at I83 to brackets E84 supported on opposite sides of the bottom frame structure 39. A cam roller I85 (Fig. on the one arm I82 operates in a cam track I86 in the double face cam 90 while a similar cam roller I81 on the opposite arm I 82 operates in a cam track I80 in the face cam I89 which is mounted on the power shaft 51. The cam tracks E86 and I88 are identical and provide for oscillation of the head I14 in proper timed relation to the operation of the mandrel 18 and the cross partition feed means.

A plurality of generally w-shaped strap members 590 are attached to the cross frame member I at one end and extend forwardly of the same in transversely spaced relation to provide folding and shaping elements for the bottom of the carton, the spaces between the strap members i90 permitting the insertion of the cross partition blanks 28 while the strap members I90 are in holding relation relative to the mandrel 18.

Each of the strap members I90 is provided with a smaller strap member I! which is secured to one leg of the member I90 and which is provided with a curved end I92 extending below and away from the bottom of the member I90 as shown in Fig. 8. A cross bar I93 is secured adjacent the cross frame member I15 on the strap members I90 and a plurality of relatively narrow L-shaped members I94 are arranged in upstanding transversely spaced relation, as shown in Fig. 8, in the spaces between the strap members I90, for a purpose which will be described. I i i v A cross rod I95 is provided which is journaled in bearing brackets I96 which are attached to the side members I16 adjacent the ends of the cross frame member I15. The rod I95 carries a pair of spaced forwardly extending arms I91, the ends of which are bent at a slight upward angle and attached to a cross bar I98. The cross bar I98 is provided on its lower face with a plurality of small angle brackets I99, the downwardly projecting legs of which constitute the fixed jaws of a plurality of grippers for engaging the cross partition blanks 28. The cross bar I98 is provided with a plurality of spaced slots 200 which are adapted to receive pivotal members having portions 20I depending below the pivots 202 which constitute the movable jaws of the grippers and upstanding portions or arms 203 which are pivotally connected at 204 to an operating bar 205. Tension springs 206 are connected between the pivot points 204 and fixed posts 201 on the cross bar I 98. The springs 206 urge the gripper jaws I 99 and 20I into closed gripping relation.

The cross bar 205 is provided at an intermediate point with a cam roller 208 which is adapted to ride on a cam surface 209. The cam 209 is mounted on a bracket 2| 0 which is secured to and projects upwardly from an intermediate one of the strap members I99. The cam 209 is shaped to cause the bar 205 to move in an axial direction to pivot the gripper jaws 201 to the open position. The cam roller 208 is urged into contact with the cam 209 by a tension spring 2i I which is connected at one end 2I2 to the bar 205 and at the other end 2I3 to one of the arms I91. A coiled torsion spring 2| 4 on the cross rod I95 is secured at the one end 2I5 to the arm I91 and at the other end 2I6 to the cross bar I15 to urge the arms I91 and the gripper structure carried thereon away from the strap members I90.

The cross shaft I95 is extended at one end and an operating arm 2| 1 is secured thereon. The arm 2I1 is provided at its free end on the inside face thereof, with a cam roller 2I8 and intermediate its ends, on the outside face thereof, with another cam roller 2I9. The cam roller 2I8 is adapted to engage a fixed cam 22!] to hold the gripper assembly in open position while the head I14 moves down into engagement with the carton body blank on the mandrel 18. The cam 220 is formed on the end of a bracket member 22I which is supported in a vertical position on the top plate 40 at one side of the machine. An L-shaped gripper release or actuator member 222 is pivotally mounted at 223 on an upstanding bracket member 224 which is supported on the top plate 40 adjacent the bracket member 22L A rest 225 is provided on the top of the bracket member 22! to limit the movement in the forward direction of the L-shaped member 222, by engagement with the upper portion or leg 226 of the member 222. A stop member 221 is provided on the side member of the top frame 91 which limits the movement of the L-shaped member by engagement with the lower portion or leg 228 of the member 222. The leg 228 is provided adjacent its end with a cam roller 229 which is adapted to be moved into the path of the cam plate 230 when the leg 226 is pivoted counterclockwise about the pivot point 229 (Fig. 2) by engagement with the cam roller 2 I8. The cam plate 230 is mounted on the end of the continuously rotating shaft 65.

When the folding head I14 is in the blank holding position relative to the mandrel 18 and the cross partition blanks 28 are moved into the slots 83 by forward movement of the pusher bar I58 the cam plate 230 engages the cam roller 229 to close the gripper jaws I99 and 20! on the blanks 23 and thereafter to move the cross partition blanks 28 into fully inserted position. The cu t-away corners 33 on the trailing edges of the blanks 28 permit the blanks 28 to clear the bottom of the guideways as they are moved into final position. The pusher bar !58 is immediately retracted sufficiently to avoid interference with subsequent removal of the carton from the mandrel 1B. When the folding head !14 is moved away from the mandrel 18 the gripper assembly is retained in the operative position by action of the torsion spring H4 and the partially set-up carton is carried upwardly away from the mandrel 18.

When the folding head I14 reaches its uppermost position and the folding operations are completed, the cam plate 230 strikes the cam roller 229 and pivots the actuator member 222 clockwise about the point 223 to engage the bring the slot portions 9! and 82 into upwardly opening position. In the latter position the uppermost half of the folded blank I extends substantially vertically from the mandrel 18 while the lowermost half extends substantially horizontally. As the folding head I14 moves into engagement with the blank I0 the portion !9 of the horizontally extending half of the blank I0 is engaged by the curved end I92 of the member !9! on the head !14 and folded downward around the curved surface of the mandrel 18 so that when the partition blanks 28 are moved by the gripper assembly into their final position the slots 21 in body blank portion l9 will interengage with the slots 32 in the partition blanks.

When the folding head I14 moves upwardly away from the mandrel 18 (Figs. 2, 3 and with the cross partition members 28 engaged by the gripper jaws I99 and the carton is in assembled condition except for the one side wall portion I9 which must be moved to bring the slots 21 into interlocking engagement with the slots 32 in the ends of the partition blanks 28. As the head I14 nears the limit of its upward movement the side wall portion I9 is moved into contact with a fixed folding device 23! which is supported on the forward vertical members 4! (Figs. 5 and 6).

The folding device 23! comprises a U-shaped frame having the night portion 232 secured to the vertical members 4! and the legs 233 projecting upwardly with their ends connected by a cross bar 234. Arms 235 are secured :to the cross bar 234 and extend forwardly and downwardly to another bar 236 extending transversely of the machine and having pairs of spaced curved spring fingers 231 extending forwardly in parallel relation at opposite ends. A rod 238 is secured to each upstanding leg 233which extendsforwarda 1y into the space between the spring fingers 231. The rods 238. are each provided. with. a depending abutment member 239 adjacent the outer end thereof which extends downwardly below the spring fingers 231. As the folding head I14 moves upwardly the side wall forming portion !9 of the body blank is forced into hooked relation in the end slots 32 of the cross partition forming blanks 28 by operation of the abutment members 239 and spring fingers 231.

A cross rod or shaft'240 is rotatably mounted on uprights 24! which are supported on the side members of the top frame 31 on the side of the mandrel 18 opposite the path of the folding head I14. A pair of laterally spaced guide arms 242 are secured intermediate their ends to the cross shaft 240 with the portion 243 which projects on the one side of the cross shaft 24!] extending in slightly curved relation a relatively short distance. The guide arms 242 limit the movement of the side and cover flap portion of the carton body blank in a direction forwardly of the mandrel 18 while the carbon is being erected on the mandrel and removed therefrom and prevent interference with the preceding carton. A cross bar 244 connects the upright supporting members 24! at an intermediate point and also operates as a stop or support for the side and cover flap portions of the body blank while it is on the mandrel 18.

A cross frame comprising vertically extending side members 245 and a top cross member 246 is provided parallel to and spaced from the frame formed by the vertical side members 24! and the cross. bar 244. The side members 245 are supported on the side members of the frame 31 and are braced by frame members 241 to the side members 24!. A cross rod or shaft 242 is journaled in the side frame members 245 at a height of slightly above the cross shaft 249. A U- shaped frame comprising a cross rod 249 and side arms 25!! is secured at the ends of the side arms 250 to the shaft 248. The cross rod 249 has secured thereon laterally spaced upwardly opening V-shaped supporting members 25! which are adapted to receive the fully assembled carton when it is released from. the folding head !.14. The cross. shafts 240 and 243 are extended at one end and provided with sprockets 252 and 253, respectively, which are connected by a drive chain 254 to provide parallel movement of the arms 2.42 and 250'. An arm 255 is secured at one end to the shaft 248. and pivotally connected at the other end 256 to the. upper end of a link 251. The lower end of link 251 is. pivotally connected at 258 to. one end of an arm 259, the other end of which is. pivoted at 260 to. a bracket 26! depending from the machine frame 9?. The arm 259 is. provided with a cam roller 262 which travels inthe cam track 253 in the cam 264. which is mounted on the driven shaft !40.

The completed cartons. are discharged, by upward swinging movement of the arms 250, into a chute above the machine, which chute is formed by a curved bottom plate member 295 (Fig. 1) and a pair of laterally spaced generally parallel curved stripping members 296 arranged in spaced relation above the plate 265. The plate 265. is supported at oneend by brackets 261 extending upwardly from thecross frame member 246 and at the other end by the bottom member 268 of a rectangular cross, frame which is supported in a vertical position, by uprights. 269 secured to the bottom cross frame member 268 at their upper ends. and; to. vertical. members 92 at their lower ends. The top member 219 of, this cross frame supports the rearward ends of the stripping members 266. The stripping members 266 are supported adjacent their forward ends by brackets 2'II which are connected to top cross member 272 of a transversely extending inverted U- shaped frame having side frame members 213 secured at their lower ends to the cross frame member M6. The stripping members 266 are connected by a cross bar 214 at the forward end which constitutes the entrance end of the chute. Side brace members 2T5 connect the forward and rearward side frame members 2'13 and 216, respectively.

The operation of the machine in assembling the cross partition blanks 28 with the body forming blanks if) and completely erecting the carton is illustrated schematically in Figs. 12 to 17.

Referring to Figs. 12 and 13 particularly, the compartment or magazine formed by the vertical members II is supplied with a stack of the body forming blanks It which have been folded as illustrated in Fig, 19. The blanks Ii) are positioned in the stack with the side uppermost which is provided with the oblique corners at 25 and with the folded edge in a direction towards the center of the machine. The feed members 42 are reciprocated to move the lowermost blanks suecessively from the compartment to the continuously operating feed rollers 63 and 64. As the feed rollers 63 and 64 move the blank forward the oscillating mandrel 78 is moved to the blank receiving position with the slots 8! and 82 opening toward the feed rollers 63 and 54 and at a slight upward angle. The folded edge of the blank Iii is moved into the rectangular slot portion 82. Because of the angular position of the slot 82 some tension is applied to the blank, tending to urge it in an upward direction. The blank is restrained from any movement in the upward direction by engagement of the trailing edge with the feed rollers 53 and 64 and the side guide members it until the blank is moved, by oscillation of the mandrel iii, to pull the trailing edge away from the rollers 63 and 64 and from beneath the guide plates It (Fig. 4)

Prior to oscillation of the mandrel I3 to the upwardly opening or assembling and erecting position a plurality of cross partition blanks 28 are moved into position adjacent the mandrel E8 on the side of the mandrel opposite that on which the blank I ii is fed. In the illustrated machine a supply of the blanks 28 are arranged as shown in Fig. 12 in the seven compartments or magazines 93 at the other end of the machine. The feeding of the blanks 28 is coordinated with the movement of the mandrel IB and three sets or rows of blanks are handled simultaneously by the blank feeding mechanism. When the body blank I ii is delivered to the mandrel I8 three rows of blanks 28 are positioned in spaced relation to the guideways leading up to the mandrel 18. As the mandrel It is oscillated to the upward position the pusher bars I54, I51 and I58 are in the retracted position with the bars I! and I58 also in the raised position. Upon oscillation of the mandrel I8 to the upright position the pusher bars I57 and I58 are lowered as in Fig. 14 so that all three of the bars are in position to move the rows of blanks 28 toward the mandrel simultaneously. The feed plates 96 for feeding the blanks 23 from the supply compartments 93 are in the withdrawn position.

As the mandrel It: turns to the assembling and erecting position the blank IE! is moved from beneath the top feed rollers 63 and the uppermost side of the blank I0 is released by the side guide plates I6 by reason of the cut-away corner portions 25 of the blank and the cut-away portions TI of the guide plates 18 to permit the uppermost side to spring upwardly and forwardly into engagement with the cross bar 244 and the lower ends 2&3 of the pivoted arms 242. The lowermost side of the blank Iii is prevented from moving upwardly by the side guide plates it, being held in a horizontal position and free of the bottom plate members 14 and "55 so that it may be moved downwardly. The folding head m, which is in the raised position in Fig. 13, is moved down toward the mandrel it as the mandrel turns, to a holding position closely adjacent the top of the mandrel when the mandrel has completed its movement to the position indicated in Fig. 14. In this position the end I92 of the plate [ti on the mandrel engages the lowermost side of the blank I9 and moves it downwardly toward the curved surface of the mandrel IS. The bar I98 on the mandrel which carries the cooperating gripper jaws I99 and 2% is in the raised position with the gripper jaws open.

When the mandrel l8 and the folding head I14 are in the position shown in Fig. 14 the pusher bars I54, I5! and I58 are moved forwardly to insert the row of partition members 28 which is adjacent the mandrel I8 into the transverse slots 83 in the mandrel and the slots 2? in the body blank it which are aligned therewith as shown in Fig. 15. Thereafter the folding head I It is moved downwardly towards the mandrel I8 into clamping engagement with the body blank It]. The gripper carrying bar I98 is moved downwardly to bring the gripper jaws into gripping relation with the members 28 and to move the members 28 further downwardly and backwardly relative to the mandrel I8. This movement of the members 28 causes the double walled partition portions of the blank II) to be positioned in engagement in the slots 3 in the blanks 23. It also causes the lowermost side wall portion of the blank III to be positioned in interlocking engagement in the slots 32 in the leading edges of the blanks 28. In this position the cross wall members 28 and the body blank iii are completely assembled in interengaging relation except for the engagement of the uppermost side Wall portion in the slots 32 in the trailing edges of the members 28.

I claim:

1. A. machine for assembling and erecting a cellular carton of the type which is characterized by a foldable body forming blank and a plurality of cross partition forming blanks which are adapted to be positioned in interlocking relation in aligned slots in the body forming blank, said machine comprising means for receiving the body forming blank in partially folded condition, means for holding the blank in said partially folded condition, means for delivering to said body blank receiving means a plurality of cross partition forming blanks in spaced parallel edge wise relation, means for inserting said cross par ti'tion forming blanks in transversely aligned pairs of slots in said body blank, and means for further moving said cross partition forming blanks relative to said body forming blank to bring the same into interlocking relation with side wall portions of said body forming blank.

2. A machine as recited in claim 1 wherein the means for receiving the body blank in partially folded condition comprises a movable mandrel for engaging the body forming blank in one position and moving the same to another position.

3. A machine as recited in claim 1 wherein the means for receiving the body blank in partially folded condition comprises a mandrel having an axially extending slot for receiving a folded edge of the body forming blank.

4. A machine as recited in claim 1 wherein the means for receiving the body blank in partially folded condition comprises a movable mandrel having an axially extending slot provided with a flared opening for receiving a folded edge of the body forming blank.

5. A machine as recited in claim 1 wherein the means for receiving the body blank in partially folded condition comprises a mandrel mounted on a transverse oscillatable shaft, said mandrel having an outwardly opening axially extending slot for receiving a folded edge of the body forming blank when said mandrel is in one position, and means for oscillating said shaft to move said mandrel to another position.

6. A machine as recited in claim 1 wherein the means for receiving the body blank in partially folded condition comprises a rotatable mandrel having an outwardly opening axially extending slot for receiving a folded edge of the body forming blank and said mandrel having a plurality of axially spaced transverse slots which are adapted to align with the transverse slots in the body forming blank when said blank is received on said mandrel.

7. A machine for assembling a cellular carton of the type which is characterized by a body blank of generally rectangular shape which is adapted to be folded to form a double-walled medial partition, bottom walls, side walls and cover flaps and which is further characterized by a plurality of separate cross wall blanks which are adapted to be positioned in interen'gaging relation in longitudinally spaced transversely aligned slots in the body blank, which machine comprises a movable mandrel for receiving the body blank in folded condition, means cooperating with the mandrel for moving the body blank to another position with the blank in partially unfolded condition, means for holding the body blank on said mandrel, means for delivering to said mandrel a plurality of cross wall forming members in spaced parallel edgewise relation, means for partially inserting said cross wall forming members in transversely aligned pairs of slots in said body blank, means cooperating with said body blank holding means for moving said cross wall members into interlocking relation with one side wall of said body blank and for thereafter removing the assembled body blank and cross wall members from the mandrel, and means for folding the other side wall of said body blank into interlocking relation with the cross wall members.

8. A machine for assembling and erecting a cellular carton of the type which is characterized by a foldable body forming blank and a plurality of cross partition forming blanks which are adapted to be positioned in interlocking relation in aligned slots in the body forming blank, said machine comprising a mandrel for receiving the body forming blankin folded condition, means for rotating said mandrel to another position, guide means for preventing movement of one side wall forming portion of said blank, said guide means being cut away to permit movement of the other: side wall portion of said blank whereby said blank is partially unfolded by the movement of said mandrel, means for holding said blank in partially unfolded condition, means for delivering to said mandrel a plurality of cross partition forming blanks in spaced parallel edgewise relation, means for inserting said cross partition forming blanks in aligned pairs of slots in said body blank, and means for folding said body forming blank to bring the same into interlocking relation with the partition forming members.

9. A machine for assembling a cellular carton of the type which is characterized by a body blank of generally rectangular shape which is adapted to be folded to form a double-walled medial partition, bottom walls, side walls and cover flaps and which is further characterized by a plurality of separate cross wall blanks which are adapted to be positioned in interengaging relation in lon gitudinally spaced transversely aligned slots in the body blank which machine comprises a supporting frame, an oscillatable mandrel intermediate the ends of said supporting frame, means at one end of the machine for delivering body blanks which are folded about a medial line toward the mandrel with the folded edge foremost and to position successive blanks on the mandrel in partially unfolded condition, as the mandrel moves to another position, a reciprocal head for holding the body blank on said mandrel, a plurality of transversely spaced vertical guideways extending from the other end of the machine to the mandrel, means for delivering to said guideways a plurality of cross wall forming blanks in edgewise position, means for inserting said cross wall forming blanks in aligned pairs of slots in the body blank, means for cooperating with said head for engaging said cross wall blanks and moving them into interlocking relation with a side wall, the medial partition and bottom walls of the body blank and for thereafter holding the partially assembled body blank and cross wall members on said head as said head moves to another position, and means along the path of movement of said head for folding the other side wall of the body blank into interlocking relation with the cross wall blanks.

10. A machine for assembling a cellular carton which is characterized by a body forming blank having two rows of transversely spaced longitudinally extending slots arranged on opposite sides of a medial fold line and a plurality of slotted cross wall forming blanks which are insertable within the slots of the body forming blank for interlocking engagement therewith, said machine comprising a set-up member having an axially extending outwardly opening. slot therein, means for delivering a body forming blank which has been folded about the medial line to said set-up member and inserting the folded edge thereof in said slot, means for unfolding the remainder of the body blank to spread the side portions thereof in a transverse direction relative to said slot with the slots in the body blank on opposite side portions in transverse alignment, means for delivering a row of cross wall blanks in edgewise relation and in alignment with the slots in the body blank, means for insertin said cross wall blanks in said slots, means for moving said cross wall blanks to bring the one side portion of the body blank into interlocking engagement in slots in said cross wall blanks, and means for moving said body blank to bring the other side portion thereof into interlocking engagement with other slots in said cross wall blanks.

11. A machine as recited in claim 10 wherein the means for delivering the cross wall blanks comprises a plurality of compartments for receiving a supply of blanks in fiatwise relation, guideways extending from each compartment to the set-up member, means for simultaneously delivering individual blanks from the compartments, means for turning the blanks about an edge to bring them into edgewise relation, and means for moving the blanks through the guideways to the set-up member.

12. A machine for assembling cellular cartons which are characterized by body forming blanks having rows of spaced slots on opposite sides of a medial line thereof and slotted cross wall forming blanks which are insertable within the slots of the body forming blanks for interlocking engagement therewith, said machine comprising a supporting frame, a set-up member having an axially extending outwardly opening slot therein supported intermediate the ends of the support-- ing frame, means at one end of the supporting frame for delivering successive body forming blanks which have been folded about the medial line to said set-up member and inserting the folded edge thereof in said slot, means for unfolding the remainder of the body blank to spread the side portions thereof in opposite directions with the rows of slots on the opposite side portions in transverse alignment, means at the other end of the supporting frame for assembling rows of cross wall blanks in edgewise transversely spaced relation and in alignment with said slots and for inserting successive rows of said cross wall blanks in the slots in the successive body blanks, means for moving the cross wall blanks to bring one side portion of the body blanks into interlocking engagement in slots in said cross wall blanks, and means for moving the body blanks to bring the other side portion into interlockin engagement with other slots in said cross wall blanks.

13. A machine as recited in claim 12 wherein the means for assembling the cross wall blanks and inserting them in the slots in the body blanks comprises relatively narrow transversely spaced guideways extending from the set-up member toward the other end of the machine, said guideways being aligned at one end with the slots in the body blank when they are on the set-up member and diverging outwardly at their other ends, a cross wall blank supply compartment aligned with each guideway at said other end, means for simultaneously delivering successive blanks from each compartment in fiatwise relation, means for turning the blanks on edge, and pusher bars operable to move the blanks in successive rows through the guideways and into the slots in the body blanks on the set-up member.

14. A machine for assembling in erected condition a cellular carton of the type which is characterized by a body forming blank adapted to be folded to form a double-walled medial partition, bottom walls, side walls and cover flaps and a plurality of cross wall forming blanks having slots at opposite ends thereof which are adapted to be engaged in interlocking relation in longitudinally spaced transversely aligned slots in the bottom and side wall portions of the body blank, which machine comprises means for positioning and holding the body blank in partially folded condition with the bottom walls extending in diverging relation relative to the medial partition wall and the side walls extending from the bottom walls in generally opposite directions, means for delivering the cross wall blanks in edgewise relation and in alignment with the slots in the lil bottom and side walls, means for inserting the cross wall blanks in said slots, means for moving the cross wall blanks relative to the bottom and side walls to engage the one side wall in the slots at one end of the cross Walls, and means to move the other side wall to engage the same in the slots at the other end of the cross walls.

15. A machine for assembling in erected condition a cellular carton of the type which is characterized by a body forming blank adapted to be folded to form a double-walled medial partition, bottom walls, side walls and cover flaps and a plurality of cross wall forming blanks having slots at opposite ends thereof which are adapted to be engaged in interlocking relation in longitudinally spaced transversely aligned slots in the bottom and side wall portions of the body blank, which machine comprises a mandrel for positioning and holding the body blank in partially folded condition with the bottom walls extending in upwardly diverging relation relative to the medial partition wall and the side walls extending from the bottom Walls in opposite upward and downward directions, a folding head operable in an arcuate path for movement toward and. from said mandrel, said folding head engaging the body blank and holding it on the mandrel at one end of said arcuate movement, means for delivering the cross wall blanks in edgewise relation and in alignment with the slots in the bottom and side walls and for inserting the cross wall blanks in said slots, a gripper bar mounted for swinging movement on said folding head and having gripper jaws adapted to engage in gripping relation the uppermost edge of the cross wall blanks when they are inserted in the body slots, means for swinging said gripper bar to grip the cross wall blanks and move the same relative to the bottom and side Walls to engage the one side wall in the slots at one end of the cross walls, means for thereafter moving the folding head to the other end of its arcuate path to carry the carton away from the mandrel and cooperating fixed abutment finger at said other end of said path for moving the other side wall of the body blank to engage the same in the slots at the other end of the cross walls.

16. A machine forassembling and erecting a cellular carton of the type which is characterized by a body blank of generally rectangular shape which is adapted to be folded to form a doublewalled medial partition, bottom walls, side walls and cover flaps and which is further characterized by a plurality of separate cross wall forming blanks which are adapted to be positioned in interengaging relation in longitudinally spaced transversely aligned slots in the bottom and side wall forming portions of the body blank, which machine comprises means for feeding the body blank initially folded about a medial line with the folded edge forming the leading edge of the blank, means for receiving the folded edge of the b o dy blank and holding the medial partition forming portions of said blank in folded condition, means for opening out the remaining portions of the blank whereby the side wall forming portions extend in generally opposite directions, means for feeding a plurality of cross wall blanks in edgewise relation into aligned relation with the slots in said body blank, means for inserting said cross wall blanks in said slots, means for engaging said cross wall blanks and moving them into interengaging relation with one side wall forming portion of the body blank, and means for moving the other side wall forming 19 portion of the body blank into interengaging relation with said cross wall blank to thereby complete the erection of the carton.

1'7. A machine for assembling and erecting a cellular carton of the type which is characterized by a body blank of generally rectangular shape which is adapted to be folded to form a double-walled medial partition, bottom walls, side walls and cover flaps and which is further characterized by a plurality of separate cross wall forming blanks which are adapted to be positioned in interengaging relation in longitudinally spaced transversely aligned slots in the bottom and side wall forming portions of the body blank, which machine comprises means for feeding the body blank initially folded about a medial line with the folded edge forming the leading edge of the blank, means for receiving the folded edge of the body blank and holding the medial partition forming portions of said blank in folded condition, means for moving said body blank receiving means to another position for opening out the remaining portions of the body blank whereby the side wall forming portions extend in generally opposite directions, means for holding the body blank in opened out condition, means for feeding a plurality of cross wall blanks in edgewise relation into aligned relation with the slots in said body blank and for inserting said cross wall blanks in said slots, means cooperating with said blank holding means for gripping said cross wall blanks and moving them into interengaging relation with one side wall forming portion of the body blank, means for moving said blank holding means and said gripper means to withdraw the carton from said body blank receiving means, and means in the path of movement thereof for folding the other side wall forming portion of the body blank into interengaging relation with said cross wall blanks to thereby complete the erection of the carton.

18. A machine for assembling a plurality of cross wall forming blanks with a body forming blank which is foldable to provide a double-walled medial partition, bottom walls, side walls and cover flaps, said bottom and side walls being provided with transversely aligned slots for receiving said cross wall blanks, said machine com prising a frame supporting intermediate its ends a transversely extending folding mandrel, said mandrel being provided with an axially extending outwardly opening slot and axially spaced transverse slots, 9. blank supply compartment at one end of said supporting frame adapted to receive a stack of body forming blanks which have been folded about a transverse medial line, a delivery mechanism for delivering successive blanks in flatwise relation from said compartment to said mandrel and for inserting the folded edge of the blank in the slot in sad mandrel, side guide elements for holding the blank in folded condition while it is being delivered to said mandrel, means for rotating said mandrel approximately a quarter turn to withdraw one side of the body blank from said guide elements and open out the body blank, a folding head mounted for movement in a direction laterally of the path of movement of the body blank toward and from said mandrel, said head being adapted in one position to clamp said body blank in opened out position against said mandrel, cross wall blank supply compartments at the other end of the machine, mechanism for delivering said cross wall blanks from said compartments to said mandrel for insertion in aligned slots in the bottom and side wall forming portions of said body blank while it is being held between said mandrel and said head, mechanism movably mounted on said head for gripping said cross wall blanks and moving them into interengaging relation with the medial partition and a side wall of said body blank, means for thereafter moving said head to remove the partially assembled carton from said mandrel, and mechanism in the path of move-, ment of said head for moving the other side wall of the body blank into interengaging relation with said cross wall blanks.

19. A machine for assembling a plurality of cross wall forming blanks with a body forming blank which is foldable to provide a double-walled medial partition, bottom walls, side walls and cover flaps, said bottom and side walls being provided with transversely aligned slots for receiving said cross wall blanks, said machine comprising a frame supporting intermediate its ends a transversely extending rotatably mounted folding mandrel, said mandrel being provided with an axially extending radial slot having a flared opening and a plurality of axially spaced transversely extending slots, a blank supply mechanism at one end of said supporting frame adapted to receive a stack of body forming blanks which have been folded about a transverse medial line, a delivery mechanism including cooperating feed rollers for delivering successive blanks in flatwise relation toward said folding mandrel and for inserting the folded edge of the blank in the axially extending slot in the folding mandrel, vertically spaced side guide plates for holding the blank in folded condition while it is being delivered to said mandrel, means for rotating said mandrel upwardly approximately a quarter turn to withdraw one side of the body blank from said feed rollers and said guide plates and permit the body blank to open out, a folding head mounted for generally vertical movement toward and from said mandrel, said folding head clamping said body blank in opened out position against said mandrel at one end of its movement, cross wall blank supply mechanisms at the other end of the machine, guideways between said supply mechanisms and the mandrel, means for delivering cross wall blanks through said guideways for insertion in aligned slots in the bottom and side wall forming portions of said body blank while it is being clamped against said mandrel by said folding head, mechanism pivotally mounted on said folding head for gripping the uppermost margins of the cross wall blanks and forcing them into interengaging relation with the medial partition and a side Wall of the body blank, said folding head being thereafter movable to the other end of its path to remove the partially assembled carton from the mandrel, and fixed abutment members in the path of movement of said head for engagement with the other side wall of the body blank to move the same into interengaging relation with said cross wall blanks.

20. A machine for assembling cellular cartons which are characterized by a foldable body blank having spaced rows of slots therein and slotted cross wall blanks which are insertable within the slots of the body blank for interlocking engagement therewith, said machine comprising a supporting frame, a rotatable set-up member mounted on a transverse axis intermediate the ends of said supporting frame, said set-up memher having an axially extending outwardly opening slot therein, means at one end of the machine for delivering a body blank which has been folded

Patent Citations
Cited PatentFiling datePublication dateApplicantTitle
US1960238 *Nov 18, 1931May 29, 1934Benoit LeonMachine for setting up cartons
US1970550 *Mar 1, 1933Aug 21, 1934BenoitMethod and mechanism for assembling cartons
US1981988 *Nov 20, 1931Nov 27, 1934Burger MartinMeans for setting up cartons
US2024201 *Nov 24, 1930Dec 17, 1935BenoitCarton setting-up machine
Referenced by
Citing PatentFiling datePublication dateApplicantTitle
US2789481 *Nov 17, 1953Apr 23, 1957Package Machinery CoCarrier carton assembling machine
US2811087 *Apr 8, 1954Oct 29, 1957Container CorpCarton setting up and assembling machine
US2905065 *Jan 24, 1956Sep 22, 1959Central Fibre Products CompanyProcess and machine for producing cartons
US6966873Dec 26, 2001Nov 22, 2005Blanking Systems, Inc.Flush mounted presser assembly
US7128703Jun 3, 2002Oct 31, 2006Blanking Systems, Inc.Flush mounted presser assembly
US8770103Dec 8, 2009Jul 8, 2014Blanking Systems, Inc.Presser assembly having a presser and an improved mounting arrangement for mounting a pressing member to the presser
Classifications
U.S. Classification493/91, 493/913, 493/136, 493/122, 493/176
International ClassificationB31B11/00
Cooperative ClassificationY10S493/913, B31B11/00, B31B2217/103, B31B2241/002
European ClassificationB31B11/00