US3645215A - Box structures, particularly pallets - Google Patents
Box structures, particularly pallets Download PDFInfo
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- US3645215A US3645215A US886993A US3645215DA US3645215A US 3645215 A US3645215 A US 3645215A US 886993 A US886993 A US 886993A US 3645215D A US3645215D A US 3645215DA US 3645215 A US3645215 A US 3645215A
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- frames
- box structure
- transverse
- frame
- pair
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D19/00—Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
- B65D19/0004—Rigid pallets without side walls
- B65D19/0053—Rigid pallets without side walls the load supporting surface being made of more than one element
- B65D19/0055—Rigid pallets without side walls the load supporting surface being made of more than one element forming a continuous plane contact surface
- B65D19/0067—Rigid pallets without side walls the load supporting surface being made of more than one element forming a continuous plane contact surface the base surface being made of more than one element
- B65D19/0069—Rigid pallets without side walls the load supporting surface being made of more than one element forming a continuous plane contact surface the base surface being made of more than one element forming a continuous plane contact surface
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D2519/00—Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
- B65D2519/00004—Details relating to pallets
- B65D2519/00009—Materials
- B65D2519/00014—Materials for the load supporting surface
- B65D2519/00029—Wood
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D2519/00—Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
- B65D2519/00004—Details relating to pallets
- B65D2519/00009—Materials
- B65D2519/00049—Materials for the base surface
- B65D2519/00064—Wood
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D2519/00—Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
- B65D2519/00004—Details relating to pallets
- B65D2519/00009—Materials
- B65D2519/00084—Materials for the non-integral separating spacer
- B65D2519/00094—Metal
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D2519/00—Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
- B65D2519/00004—Details relating to pallets
- B65D2519/00258—Overall construction
- B65D2519/00263—Overall construction of the pallet
- B65D2519/00273—Overall construction of the pallet made of more than one piece
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D2519/00—Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
- B65D2519/00004—Details relating to pallets
- B65D2519/00258—Overall construction
- B65D2519/00283—Overall construction of the load supporting surface
- B65D2519/00293—Overall construction of the load supporting surface made of more than one piece
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D2519/00—Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
- B65D2519/00004—Details relating to pallets
- B65D2519/00258—Overall construction
- B65D2519/00313—Overall construction of the base surface
- B65D2519/00323—Overall construction of the base surface made of more than one piece
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D2519/00—Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
- B65D2519/00004—Details relating to pallets
- B65D2519/00258—Overall construction
- B65D2519/00313—Overall construction of the base surface
- B65D2519/00328—Overall construction of the base surface shape of the contact surface of the base
- B65D2519/00343—Overall construction of the base surface shape of the contact surface of the base contact surface being substantially in the form of a panel
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D2519/00—Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
- B65D2519/00004—Details relating to pallets
- B65D2519/00258—Overall construction
- B65D2519/00368—Overall construction of the non-integral separating spacer
- B65D2519/00378—Overall construction of the non-integral separating spacer whereby at least one spacer is made of two or more pieces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D2519/00—Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
- B65D2519/00004—Details relating to pallets
- B65D2519/00547—Connections
- B65D2519/00552—Structures connecting the constitutive elements of the pallet to each other, i.e. load supporting surface, base surface and/or separate spacer
- B65D2519/00557—Structures connecting the constitutive elements of the pallet to each other, i.e. load supporting surface, base surface and/or separate spacer without separate auxiliary elements
- B65D2519/00562—Structures connecting the constitutive elements of the pallet to each other, i.e. load supporting surface, base surface and/or separate spacer without separate auxiliary elements chemical connection, e.g. glued, welded, sealed
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D2519/00—Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
- B65D2519/00004—Details relating to pallets
- B65D2519/00547—Connections
- B65D2519/00552—Structures connecting the constitutive elements of the pallet to each other, i.e. load supporting surface, base surface and/or separate spacer
- B65D2519/00572—Structures connecting the constitutive elements of the pallet to each other, i.e. load supporting surface, base surface and/or separate spacer with separate auxiliary element, e.g. screws, nails, bayonets
Definitions
- Each of the frames has a pair of parallel longitudinal grooves, whereby when the box [56] R f e m frame is assembled a pair of peripheral grooves are formed which serve for retaining the floors in position.
- UNITED STATES PATENTS 1,668,909 5/1928 Janes ..108/159 16 02mm 5 Dmmg BOX STRUCTURES, PARTICULARLY PALLETS The present invention relates to box structures, and particularly to pallets.
- a box structure comprises a pair of side frames and a pair of end frames connectable together to form a box frame structure, upper and lower longitudinal grooves in each of the frames, upper and lower floors, and means for retaining the frames in assembled condition, the arrangement being such that on assembly of the frame structure a pair of peripheral grooves are formed by the longitudinal grooves and serve for retaining the upper and lower floors in position.
- the side frame or adjacent end frame has a transverse groove at its end to receive an end of the other frame.
- the frames are made from mild steel metal.
- the box structure is in the form of a pallet and at least one aperture is provided either in each of the side frames or in the end frames to facilitate lifting of the pallet.
- Additional opposed transverse grooves may be provided in the side or end frames to receive one or more crossbeam linking opposed frames.
- each side frame is comprised by a pair of spaced parallel longitudinal channel members providing the longitudinal grooves and a pair of transverse channel members linking the longitudinal channel members at each end, each transverse channel member providing a transverse groove for receiving an end of the adjoining end frame.
- One or more intermediately spaced transverse channels may be provided in each side frame, each transverse channel receiving the end of a respective crossbeam.
- FIG. 1 shows a pictorial view of a pallet according to the present invention
- FIG. 2 shows a pictorial view of an end frame of the pallet of FIG. 1;
- FIG. 3 shows a view of one of the stiffening and connecting webs of the frame of FIG. 2;
- FIG. 4 shows a pictorial view of a side frame of the pallet of FIG. I.
- FIG. 5 shows a plan view of a modified form of the planked floor of FIG. 1.
- a pallet 1 for use with forklift trucks includes top and bottom wooden floors 2,3, a pair of side frames 4, and a pair of end frames 5 connectable together to form a box frame structure which when it is assembled is adapted to hold the top and bottom floors 2,3 in position.
- Each side frame 4 (FIG. 4) is built up from a pair of parallel longitudinal channels 6 and a pair of transverse channel members 7, each welded to respective ends of the channels 6, to form a narrow rectangular frame, the channels 6 and members 7 being of mild steel.
- Each channel member 7 comprises a transverse grooved body 8 and a pair of short longitudinally projecting legs 9 which are welded to the respective ends of the channels 6.
- the outside walls 10 of the body 8 are of increased width, and upper and lower gusset plates 11,12 are provided in each member 7.
- An additional transverse channel 15 is located centrally in each side frame 4.
- Each end frame 5 (FIG. 2) is formed from a channel-sectioned plate, produced by rolling or stamping, and having a central longitudinal recess 16, arranged such that the end frame is provided with a pair of parallel longitudinal grooves 17 with are spaced apart a distance corresponding to that of the longitudinal grooves 13 of the side frames 4.
- a web 18 of channel section (FIG. 3) is welded across between the grooves 17 each end of the recess 16, and each of these channel webs 18 has a pair of threaded sockets 19 or nuts to enable the adjoining side frame 4 to be bolted to the end frame 5, the bottom wall 28 of the corresponding channel member 7 of the side frame having a pair of appropriately positioned bores 19A.
- the side and end frames 4,5 can therefore be bolted together to four: the box structure, the transverse grooves 14 of each side frame 4 receiving the ends of the adjoining end frames 5; and when the box is assembled there is formed two spaced parallel peripheral grooves from the longitudinal grooves 13,17.
- two end frames 5 are bolted to one of the side frames 4, and the planks 20 of the required length are slid transversely into the opposed longitudinal grooves 17 of the end frames 5 to form the top and bottom floors 3,4 a lower edge of each of the bottom planks 20 being received in a respective longitudinal groove 13 of the side frame 4.
- the length of the end frames 5 and/or the width of the planks 20 are arranged such that, with the final plank 20 of each floor 3,4 in position, the upper edge of this final plank 20 is just proud of the free ends of the end frames 5.
- a crossbeam 21 is inserted between the floors, and one end of the beam 21 is received in the intermediate channel 15 of the side frame 4.
- the other side frame 4 is now bolted to the end frames 5; and the longitudinal grooves of said other side frame 4 receive the top edges of the final planks 20, and the other end of the crossbeam 21 fits into the intermediate channel 15, the planks 20 of each floor being pressed together by the bolting down of said other side frame 4 so that a rigid pallet structure 1 is formed.
- the two side-by-side apertures 22,23 in each of the side frames 4 serve for receiving the forks of a forklift truck to enable convenient lifting of the pallet l.
- planks 20 of the floors 3,4 could suitably be in the form of floorboards having tongue-in-groove connections.
- each of the floors 3,4 could be formed as a unitary panel made from material such as for example chipboard, flexible fiberboard or synthetic resinous plastics material; the unitary panel could of course be formed as a composite structure.
- additional intermediate channels 15 could be provided in the side frames for receiving additional crossbeams, and altemative means could be used for attaching the side frames to the end frames, such as for example long tie bolts extending between the opposed side or end frames.
- the above pallet according to the present invention could be modified to form a crate by blanking off the apertures 22,23 in the side frames 4.
- the crossbeam 21 may be dispensed with. It will be understood of course that the above crate could be simply converted into a trailer by the attachment of ground engaging wheels and a suitable towing bracket thereto.
- a pallet of increased length is provided by using side frames 4 of greater length than before: for example the modified pallet may be twice the previous length.
- Each lengthened side frame includes several transverse channels 15, say for example three, equally spaced along the side frame. It is desirable with the lengthened pallet that the row of planks extending between the end frames 5 be divided, to prevent undue bending of the planks, and there is consequently provided an intermediate member adapted to receive the ends of the adjacent rows of planks.
- the intermediate member is formed from a pair of end frames, the webs 18 of which are omitted, and these end frames are shortened to such an extent that when located between the side frames they lie just outwith the grooves of the side frames; the shortened end frames are welded back-to-back and a slot is thereby formed by the recesses 16. This slot receives a central crossbeam, the ends of which project from the slot.
- the assembly of the elongate pallet would be similar to that of the previously described pallet: the initial structure is formed from one of the elongate side frames to the free ends of which a pair of end frames are respectively attached, the central crossbeam is slid through the slot of the intermediate member and into the central channel of the side frame, other crossbeams being similarly positioned in the remaining channels and the rows of floors are then formed extending between a respective end frame and the intermediate frame and the pallet completed by the bolting on of the remaining side frame.
- tongues which replace the central crossbeam are welded into respective ends of the slot of the intermediate member and are received in the central channels of the side frames.
- the above intermediate member could of course be used with the previously described pallet, the planks being divided into two adjacent rows each extending between a respective end frame and the intermediate member. Such an arrangement would increase the rigidity of the pallet.
- the planked floor could be modified to provide spaces between some of the adjacent planks: this is desirable for use of the pallet with certain types of lifting gear.
- short spacers 30 could be inserted into the longitudinal grooves 17 on the end frames between adjacent planks 20; and a space in the upper floor 3 would of course be located over the corresponding space in the lower floor.
- each spacer 30 is wedge shaped, the engaging surfaces of the planks 20 being shaped correspondingly.
- the spaces can be located appropriately in the floors, and need not be the same in the top and bottom floors.
- a box structure comprising a pair of side frames and a pair of end frames connectable together to form a boxframe structure; upper and lower longitudinal grooves in each-of the frames arranged such that a vertically spaced parallel pair of peripheral grooves are formed in the boxframe structure on assembly of the structure, a transverse member at each end of each side frame including a groove transverse to the frame to receive an end of an adjacent end frame; upper and lower floors adapted to be clamped between the side framesfand fastening means releasably connecting adjacent ends of adjoining side and end frames to permit assembly of said boxframe structure with the peripheral edges of said upper and lower floors located in position in the peripheral grooves, the fastening means effecting clamping of the floors between the side frames.
- a box structure as claimed in claim 1 wherein the box 3.
- each side frame is comprised by a pair of spaced parallel longitudinal channel members providing the longitudinal grooves and the transverse members are comprised by channel members linking the longitudinal channel members at each end, each transverse channel member providing the transverse groove for receiving an end of the adjoining end frame.
- each end frame is formed from a channel-sectioned plate having a central longitudinal recess to provide the end frame with the parallel longitudinal grooves.
- each end frame is formed from a channel-sectioned plate having a longitudinally extending beam attached to the floor thereof whereby the two parallel longitudinal grooves are formed in the end frame.
- a box structure as claimed in claim 3, wherein the fastening means are comprised by bolts extending longitudinally to the end frames and connecting adjacent transverse members of adjoining side and end frames.
- each transverse channel member consists of a main body part providing a transverse groove, and a pair of parallel legs extending from the body part for attachment to the respective ends of the longitudinal channel members of the side frame.
- planks are in the form of floorboards having tongue-in-groove connections.
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- Mechanical Engineering (AREA)
- Pallets (AREA)
Abstract
A pallet comprising top and bottom floors, a pair of side frames and a pair of end frames connectable together to form a box frame which when it is assembled is adapted to hold the top and bottom floors in position. Each of the frames has a pair of parallel longitudinal grooves, whereby when the box frame is assembled a pair of peripheral grooves are formed which serve for retaining the floors in position.
Description
United States Patent Kirkpatrick Feb. 29, 1972 [54] BOX STRUCTURES, PARTICULARLY 2,145,093 1/1939 Quayle ..108/58 PALLETS 2,311,280 2/1943 Quayle... .....108/57 2,463,214 3/1949 Stoner..... .....108/52 [72] Inventor: Thomas James Kirkpatrick, 14 3,065,987 11/1962 Elsner et al. .108/58 X Aberdelghy Gardens, Lambeg, Lisburn, 3,118,400 1] 1964 Kemp, Jr. et al... 108/58 Northern Ireland 3,149,586 9/1964 Kemp, Jr. et al... .....108/58 [22] Filed: Dec 22,1969 3,157,423 11/1964 Brie, Sr. ..l08/56 X [21] App]. No.: 886,993 Primary ExaminerBobby R. Gay
' Assistant ExaminerGlenn O. Finch [30] Foreign Application Priority Data I Atmng'ey young Thompson Feb. 15, 1969 Great Britain ..8,362/69 [57] ABSTRACT [52] U.S.Cl ..l08/51,108/58 A pall t comprising top and b m fl r a p ir f sid [51] Int. Cl ..B65d 19/ 18 frames and a pair of end frames connectable together to form 581 Field of Search .1os/51-5s, 159; a box frame which when it is assembled is adapted to hold the 294/ 7 8 top and bottom floors in position. Each of the frames has a pair of parallel longitudinal grooves, whereby when the box [56] R f e m frame is assembled a pair of peripheral grooves are formed which serve for retaining the floors in position. UNITED STATES PATENTS 1,668,909 5/1928 Janes ..108/159 16 02mm 5 Dmmg BOX STRUCTURES, PARTICULARLY PALLETS The present invention relates to box structures, and particularly to pallets.
It is an object of the present invention to provide a robust pallet which can be simply manufactured, and which is easily disassembled for maintenance, storage and transportation. It is further an object of the present invention to provide a pallet which can be conveniently modified to cater for different types of lifting gear.
According to the present invention a box structure comprises a pair of side frames and a pair of end frames connectable together to form a box frame structure, upper and lower longitudinal grooves in each of the frames, upper and lower floors, and means for retaining the frames in assembled condition, the arrangement being such that on assembly of the frame structure a pair of peripheral grooves are formed by the longitudinal grooves and serve for retaining the upper and lower floors in position.
Preferably, at each comer of the frame structure, the side frame or adjacent end frame has a transverse groove at its end to receive an end of the other frame.
Preferably the frames are made from mild steel metal.
In a preferred embodiment, the box structure is in the form of a pallet and at least one aperture is provided either in each of the side frames or in the end frames to facilitate lifting of the pallet.
Additional opposed transverse grooves may be provided in the side or end frames to receive one or more crossbeam linking opposed frames.
Preferably further, each side frame is comprised by a pair of spaced parallel longitudinal channel members providing the longitudinal grooves and a pair of transverse channel members linking the longitudinal channel members at each end, each transverse channel member providing a transverse groove for receiving an end of the adjoining end frame.
One or more intermediately spaced transverse channels may be provided in each side frame, each transverse channel receiving the end of a respective crossbeam.
An embodiment of the present invention will now be given by way of example with reference to the accompanying drawings in which:
FIG. 1 shows a pictorial view of a pallet according to the present invention;
FIG. 2 shows a pictorial view of an end frame of the pallet of FIG. 1;
FIG. 3 shows a view of one of the stiffening and connecting webs of the frame of FIG. 2;
FIG. 4 shows a pictorial view of a side frame of the pallet of FIG. I, and
FIG. 5 shows a plan view of a modified form of the planked floor of FIG. 1.
Referring to the drawings, a pallet 1 for use with forklift trucks includes top and bottom wooden floors 2,3, a pair of side frames 4, and a pair of end frames 5 connectable together to form a box frame structure which when it is assembled is adapted to hold the top and bottom floors 2,3 in position.
Each side frame 4 (FIG. 4) is built up from a pair of parallel longitudinal channels 6 and a pair of transverse channel members 7, each welded to respective ends of the channels 6, to form a narrow rectangular frame, the channels 6 and members 7 being of mild steel. Each channel member 7 comprises a transverse grooved body 8 and a pair of short longitudinally projecting legs 9 which are welded to the respective ends of the channels 6. For increased rigidity of the box frame structure, the outside walls 10 of the body 8 are of increased width, and upper and lower gusset plates 11,12 are provided in each member 7. There is thereby provided in the side frame a pair of longitudinal grooves 13 and a pair of transverse grooves 14. An additional transverse channel 15 is located centrally in each side frame 4.
Each end frame 5 (FIG. 2) is formed from a channel-sectioned plate, produced by rolling or stamping, and having a central longitudinal recess 16, arranged such that the end frame is provided with a pair of parallel longitudinal grooves 17 with are spaced apart a distance corresponding to that of the longitudinal grooves 13 of the side frames 4. In the recess 16 a web 18 of channel section (FIG. 3) is welded across between the grooves 17 each end of the recess 16, and each of these channel webs 18 has a pair of threaded sockets 19 or nuts to enable the adjoining side frame 4 to be bolted to the end frame 5, the bottom wall 28 of the corresponding channel member 7 of the side frame having a pair of appropriately positioned bores 19A. These channel rods 18 serve additionally to stiffen the end frames 5. The side and end frames 4,5 can therefore be bolted together to four: the box structure, the transverse grooves 14 of each side frame 4 receiving the ends of the adjoining end frames 5; and when the box is assembled there is formed two spaced parallel peripheral grooves from the longitudinal grooves 13,17.
Modifications are of course possible in the frames 4,5. For example, in the end frame 5, the central recess 16 and associated webs 18 could be dispensed with and replaced by a longitudinally extending wooden beam attached to the floor of the channel plate whereby the two parallel longitudinal grooves 13 are formed.
To assemble the pallet, two end frames 5 are bolted to one of the side frames 4, and the planks 20 of the required length are slid transversely into the opposed longitudinal grooves 17 of the end frames 5 to form the top and bottom floors 3,4 a lower edge of each of the bottom planks 20 being received in a respective longitudinal groove 13 of the side frame 4. The length of the end frames 5 and/or the width of the planks 20 are arranged such that, with the final plank 20 of each floor 3,4 in position, the upper edge of this final plank 20 is just proud of the free ends of the end frames 5. A crossbeam 21 is inserted between the floors, and one end of the beam 21 is received in the intermediate channel 15 of the side frame 4. The other side frame 4 is now bolted to the end frames 5; and the longitudinal grooves of said other side frame 4 receive the top edges of the final planks 20, and the other end of the crossbeam 21 fits into the intermediate channel 15, the planks 20 of each floor being pressed together by the bolting down of said other side frame 4 so that a rigid pallet structure 1 is formed.
The two side-by- side apertures 22,23 in each of the side frames 4 serve for receiving the forks of a forklift truck to enable convenient lifting of the pallet l.
The planks 20 of the floors 3,4 could suitably be in the form of floorboards having tongue-in-groove connections. Alternatively, each of the floors 3,4 could be formed as a unitary panel made from material such as for example chipboard, flexible fiberboard or synthetic resinous plastics material; the unitary panel could of course be formed as a composite structure. Also, additional intermediate channels 15 could be provided in the side frames for receiving additional crossbeams, and altemative means could be used for attaching the side frames to the end frames, such as for example long tie bolts extending between the opposed side or end frames.
The above pallet according to the present invention could be modified to form a crate by blanking off the apertures 22,23 in the side frames 4. The crossbeam 21 may be dispensed with. It will be understood of course that the above crate could be simply converted into a trailer by the attachment of ground engaging wheels and a suitable towing bracket thereto.
In a modification, a pallet of increased length is provided by using side frames 4 of greater length than before: for example the modified pallet may be twice the previous length. Each lengthened side frame includes several transverse channels 15, say for example three, equally spaced along the side frame. It is desirable with the lengthened pallet that the row of planks extending between the end frames 5 be divided, to prevent undue bending of the planks, and there is consequently provided an intermediate member adapted to receive the ends of the adjacent rows of planks. The intermediate member is formed from a pair of end frames, the webs 18 of which are omitted, and these end frames are shortened to such an extent that when located between the side frames they lie just outwith the grooves of the side frames; the shortened end frames are welded back-to-back and a slot is thereby formed by the recesses 16. This slot receives a central crossbeam, the ends of which project from the slot. The assembly of the elongate pallet would be similar to that of the previously described pallet: the initial structure is formed from one of the elongate side frames to the free ends of which a pair of end frames are respectively attached, the central crossbeam is slid through the slot of the intermediate member and into the central channel of the side frame, other crossbeams being similarly positioned in the remaining channels and the rows of floors are then formed extending between a respective end frame and the intermediate frame and the pallet completed by the bolting on of the remaining side frame. In an alternative arrangement, tongues which replace the central crossbeam are welded into respective ends of the slot of the intermediate member and are received in the central channels of the side frames.
The above intermediate member could of course be used with the previously described pallet, the planks being divided into two adjacent rows each extending between a respective end frame and the intermediate member. Such an arrangement would increase the rigidity of the pallet.
The planked floor could be modified to provide spaces between some of the adjacent planks: this is desirable for use of the pallet with certain types of lifting gear. Thus, referring to FIG. 5, on assembly of the planked floor, short spacers 30 could be inserted into the longitudinal grooves 17 on the end frames between adjacent planks 20; and a space in the upper floor 3 would of course be located over the corresponding space in the lower floor. For tightness of assembly of the pallet, and so that the spacers 30 will be retained in position, each spacer 30 is wedge shaped, the engaging surfaces of the planks 20 being shaped correspondingly. The spaces can be located appropriately in the floors, and need not be the same in the top and bottom floors. I
lclaim: 3
l. A box structure comprising a pair of side frames and a pair of end frames connectable together to form a boxframe structure; upper and lower longitudinal grooves in each-of the frames arranged such that a vertically spaced parallel pair of peripheral grooves are formed in the boxframe structure on assembly of the structure, a transverse member at each end of each side frame including a groove transverse to the frame to receive an end of an adjacent end frame; upper and lower floors adapted to be clamped between the side framesfand fastening means releasably connecting adjacent ends of adjoining side and end frames to permit assembly of said boxframe structure with the peripheral edges of said upper and lower floors located in position in the peripheral grooves, the fastening means effecting clamping of the floors between the side frames.
2. A box structure as claimed in claim 1, wherein the box 3. A box structure as claimed in claim 1, wherein a transverse member is provided at each end of each end frame, and the fastening means connect adjacent transverse members of adjoining side and end frames.
4. A box structure as claimed in claim 1, wherein additional opposed transverse grooves are provided in any of the side and end frames to receive the ends of further crossbeams linking opposed frames.
5. A box structure as claimed in claim 1, wherein each side frame is comprised by a pair of spaced parallel longitudinal channel members providing the longitudinal grooves and the transverse members are comprised by channel members linking the longitudinal channel members at each end, each transverse channel member providing the transverse groove for receiving an end of the adjoining end frame.
6. A box structure as claimed in claim 1, wherein the frames are made from mild steel metal.
7. A box structure as claimed m claim 1, wherein the floors are built up from planks, the planks of each floor being slid transversely into respective opposed longitudinal grooves during assembly of the box structure.
8. A box structure as claimed in claim 1, wherein the floors are comprised by a unitary panel.
9. A box structure as claimed in claim 1, wherein each end frame is formed from a channel-sectioned plate having a central longitudinal recess to provide the end frame with the parallel longitudinal grooves.
10. A box structure as claimed in claim 1, wherein each end frame is formed from a channel-sectioned plate having a longitudinally extending beam attached to the floor thereof whereby the two parallel longitudinal grooves are formed in the end frame.
11. A box structure as claimed in claim 3, wherein the fastening means are comprised by bolts extending longitudinally to the end frames and connecting adjacent transverse members of adjoining side and end frames.
12. A box structure as claimed in claim 5, wherein each transverse channel member consists of a main body part providing a transverse groove, and a pair of parallel legs extending from the body part for attachment to the respective ends of the longitudinal channel members of the side frame.
13. A box structure as claimed in claim 5, wherein one or more interrnediately spaced transverse channels are provided in each side frame, each transverse channel receiving an end of a respective crossbeam.
14. A box structure as claimed in claim 7, wherein the planks are in the form of floorboards having tongue-in-groove connections.
15. A box structure as claimed in claim 7, wherein at least one pair of spacers are located in opposed longitudinal grooves, between respective adjacent planks, whereby said adjacent planks define a space therebetween.
16. A box structure as claimed in claim 9, wherein a web is provided at each end of the recess and extends between the structure is in the form of a pallet and at least one aperture is sidewalls thereof, each web including means to enable the adprovided in any of the side frames and the end frames to facilitate lifting of the pallet.
joining side frame to be bolted to the end frame.
Claims (16)
1. A box structure comprising a pair of side frames and a pair of end frames connectable together to form a boxframe structure; upper and lower longitudinal grooves in each of the frames arranged such that a vertically spaced parallel pair of peripheral grooves are formed in the boxframe structure on assembly of the structure, a transverse member at each end of each side frame including a groove transverse to the frame to receive an end of an adjacent end frame; upper and lower floors adapted to be clamped between the side frames; and fastening means releasably connecting adjacent enDs of adjoining side and end frames to permit assembly of said boxframe structure with the peripheral edges of said upper and lower floors located in position in the peripheral grooves, the fastening means effecting clamping of the floors between the side frames.
2. A box structure as claimed in claim 1, wherein the box structure is in the form of a pallet and at least one aperture is provided in any of the side frames and the end frames to facilitate lifting of the pallet.
3. A box structure as claimed in claim 1, wherein a transverse member is provided at each end of each end frame, and the fastening means connect adjacent transverse members of adjoining side and end frames.
4. A box structure as claimed in claim 1, wherein additional opposed transverse grooves are provided in any of the side and end frames to receive the ends of further crossbeams linking opposed frames.
5. A box structure as claimed in claim 1, wherein each side frame is comprised by a pair of spaced parallel longitudinal channel members providing the longitudinal grooves and the transverse members are comprised by channel members linking the longitudinal channel members at each end, each transverse channel member providing the transverse groove for receiving an end of the adjoining end frame.
6. A box structure as claimed in claim 1, wherein the frames are made from mild steel metal.
7. A box structure as claimed in claim 1, wherein the floors are built up from planks, the planks of each floor being slid transversely into respective opposed longitudinal grooves during assembly of the box structure.
8. A box structure as claimed in claim 1, wherein the floors are comprised by a unitary panel.
9. A box structure as claimed in claim 1, wherein each end frame is formed from a channel-sectioned plate having a central longitudinal recess to provide the end frame with the parallel longitudinal grooves.
10. A box structure as claimed in claim 1, wherein each end frame is formed from a channel-sectioned plate having a longitudinally extending beam attached to the floor thereof whereby the two parallel longitudinal grooves are formed in the end frame.
11. A box structure as claimed in claim 3, wherein the fastening means are comprised by bolts extending longitudinally to the end frames and connecting adjacent transverse members of adjoining side and end frames.
12. A box structure as claimed in claim 5, wherein each transverse channel member consists of a main body part providing a transverse groove, and a pair of parallel legs extending from the body part for attachment to the respective ends of the longitudinal channel members of the side frame.
13. A box structure as claimed in claim 5, wherein one or more intermediately spaced transverse channels are provided in each side frame, each transverse channel receiving an end of a respective crossbeam.
14. A box structure as claimed in claim 7, wherein the planks are in the form of floorboards having tongue-in-groove connections.
15. A box structure as claimed in claim 7, wherein at least one pair of spacers are located in opposed longitudinal grooves, between respective adjacent planks, whereby said adjacent planks define a space therebetween.
16. A box structure as claimed in claim 9, wherein a web is provided at each end of the recess and extends between the sidewalls thereof, each web including means to enable the adjoining side frame to be bolted to the end frame.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB8362/69A GB1274752A (en) | 1969-02-15 | 1969-02-15 | Improvements in or relating to pallet type structures |
Publications (1)
Publication Number | Publication Date |
---|---|
US3645215A true US3645215A (en) | 1972-02-29 |
Family
ID=9851080
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US886993A Expired - Lifetime US3645215A (en) | 1969-02-15 | 1969-12-22 | Box structures, particularly pallets |
Country Status (4)
Country | Link |
---|---|
US (1) | US3645215A (en) |
CH (1) | CH510560A (en) |
DE (1) | DE2006308A1 (en) |
GB (1) | GB1274752A (en) |
Cited By (26)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3910203A (en) * | 1974-08-02 | 1975-10-07 | Tenneco Inc | Reinforced product transport pallet |
US3954067A (en) * | 1974-11-22 | 1976-05-04 | Miles Ray P | Reversible pallet |
US4013021A (en) * | 1974-01-24 | 1977-03-22 | Rudolf Steinlein | Plastics material pallet |
US4013020A (en) * | 1972-06-22 | 1977-03-22 | Schoeller Alexander | Flexure-compensating device for flexible pallets supporting very heavy loads |
US4715294A (en) * | 1986-10-20 | 1987-12-29 | Depew Thomas N | Pallet construction |
US4922834A (en) * | 1989-03-10 | 1990-05-08 | The Uniroyal Goodrich Tire Company | Pallet storage system for storing cylindrical articles and pallet for use therein |
US5076175A (en) * | 1990-07-18 | 1991-12-31 | Whatley Ii Thomas F | Protective plate for fork-lift pallets |
US5487343A (en) * | 1994-06-20 | 1996-01-30 | Phillips; Stewart A. | Pallet/skid shipping platform |
US5672412A (en) * | 1994-09-19 | 1997-09-30 | Phares; Randy Lee | Recyclable cross-laminated corrugated and fiber core pallet |
US20060081158A1 (en) * | 2004-10-19 | 2006-04-20 | Fitzpatrick Technologies, L.L.C. | Pultrusion pallet |
US20070017422A1 (en) * | 2005-07-19 | 2007-01-25 | Fitzpatrick Technologies, Llc | Pallet with composite components |
FR2896483A1 (en) * | 2006-01-25 | 2007-07-27 | Smoby Engineering Soc Par Acti | Container comprising a plastic body with a pair of openings giving access to recesses for receiving the forks of a fork-lift truck comprises a metal shield that covers the side of the body in the vicinity of the openings |
GB2457369A (en) * | 2008-02-14 | 2009-08-19 | Thomas James Kirkpatrick | Pallet with surface element held under compression |
US20100229764A1 (en) * | 2007-09-26 | 2010-09-16 | Fitzpatrick Technologies | Pallet with lead board |
US20110192326A1 (en) * | 2005-07-19 | 2011-08-11 | Fitzpatrick Technologies, Llc | Pallet with composite components |
US20110233363A1 (en) * | 2010-03-23 | 2011-09-29 | Michael Chris Wold | Structural composite glulam-steel rig mat |
WO2012098514A1 (en) * | 2011-01-20 | 2012-07-26 | Whiteford Bede | Pallet leader board system |
US8505467B1 (en) * | 2012-04-16 | 2013-08-13 | Ronald Bruce Roberts | Product protection guards |
US20140026790A1 (en) * | 2012-07-26 | 2014-01-30 | Chep Technology Pty Limited | Pallet system |
US20140057767A1 (en) * | 2012-02-21 | 2014-02-27 | Coulter Ventures, LLC | Modular exercise platform |
US8671848B2 (en) | 2011-08-04 | 2014-03-18 | Wayne Randall | Pallet protector device and method |
CN103796925A (en) * | 2011-08-04 | 2014-05-14 | 韦恩·兰德尔 | Pallet protector device and method |
US20140251190A1 (en) * | 2013-03-08 | 2014-09-11 | Green Line Armor Llc | Pallet Support Shield |
US20140283714A1 (en) * | 2011-09-23 | 2014-09-25 | Torben Wahl | Pallet and method for using the pallet |
US10549885B2 (en) * | 2016-04-14 | 2020-02-04 | Ahrma Holding B.V. | Pallet and logistic system |
WO2021020960A1 (en) * | 2019-07-31 | 2021-02-04 | RAMÍREZ RAMÍREZ, Víctor Jesús | Tray for use in the production, transport, storage and shipping of concrete blocks and method for manufacturing same |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2573041A1 (en) * | 1984-11-14 | 1986-05-16 | Palman Sa | Narrow goods-handling pallet allowing the use of a fork-lift truck or a pallet transporter |
SE459489B (en) * | 1988-10-10 | 1989-07-10 | Victor Manuel Chinchilla Gonza | PALLET |
DE102009038963B4 (en) * | 2009-08-20 | 2020-06-10 | Dr. Doll Holding Gmbh | Stackable transport container and pallet base made of plastic for this |
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US3118400A (en) * | 1964-01-21 | Pallet | ||
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- 1970-02-12 DE DE19702006308 patent/DE2006308A1/en active Pending
- 1970-02-13 CH CH213370A patent/CH510560A/en not_active IP Right Cessation
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US3118400A (en) * | 1964-01-21 | Pallet | ||
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US2145093A (en) * | 1938-02-12 | 1939-01-24 | Yale & Towne Mfg Co | Skid platform |
US2311280A (en) * | 1939-06-03 | 1943-02-16 | Yale & Towne Mfg Co | Reversible pallet |
US2463214A (en) * | 1945-11-05 | 1949-03-01 | Monroe Auto Equipment Co | Pallet |
US3065987A (en) * | 1962-01-29 | 1962-11-27 | Aeroquip Corp | Pallet lifting attachment |
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Cited By (43)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4013020A (en) * | 1972-06-22 | 1977-03-22 | Schoeller Alexander | Flexure-compensating device for flexible pallets supporting very heavy loads |
US4013021A (en) * | 1974-01-24 | 1977-03-22 | Rudolf Steinlein | Plastics material pallet |
US3910203A (en) * | 1974-08-02 | 1975-10-07 | Tenneco Inc | Reinforced product transport pallet |
US3954067A (en) * | 1974-11-22 | 1976-05-04 | Miles Ray P | Reversible pallet |
US4715294A (en) * | 1986-10-20 | 1987-12-29 | Depew Thomas N | Pallet construction |
WO1988002725A1 (en) * | 1986-10-20 | 1988-04-21 | Depew Thomas N | Pallet construction |
AU602498B2 (en) * | 1986-10-20 | 1990-10-18 | Thomas N. Depew | Pallet construction |
US4922834A (en) * | 1989-03-10 | 1990-05-08 | The Uniroyal Goodrich Tire Company | Pallet storage system for storing cylindrical articles and pallet for use therein |
US5076175A (en) * | 1990-07-18 | 1991-12-31 | Whatley Ii Thomas F | Protective plate for fork-lift pallets |
US5487343A (en) * | 1994-06-20 | 1996-01-30 | Phillips; Stewart A. | Pallet/skid shipping platform |
US5672412A (en) * | 1994-09-19 | 1997-09-30 | Phares; Randy Lee | Recyclable cross-laminated corrugated and fiber core pallet |
US20060081158A1 (en) * | 2004-10-19 | 2006-04-20 | Fitzpatrick Technologies, L.L.C. | Pultrusion pallet |
US20070017422A1 (en) * | 2005-07-19 | 2007-01-25 | Fitzpatrick Technologies, Llc | Pallet with composite components |
US20110192326A1 (en) * | 2005-07-19 | 2011-08-11 | Fitzpatrick Technologies, Llc | Pallet with composite components |
FR2896483A1 (en) * | 2006-01-25 | 2007-07-27 | Smoby Engineering Soc Par Acti | Container comprising a plastic body with a pair of openings giving access to recesses for receiving the forks of a fork-lift truck comprises a metal shield that covers the side of the body in the vicinity of the openings |
EP1813543A1 (en) * | 2006-01-25 | 2007-08-01 | Smoby Engineering | Container made from synthetic material equipped with a shield |
US8261673B2 (en) | 2007-09-26 | 2012-09-11 | Fitzpatrick Technologies | Pallet with lead board |
US20100229764A1 (en) * | 2007-09-26 | 2010-09-16 | Fitzpatrick Technologies | Pallet with lead board |
GB2457369B (en) * | 2008-02-14 | 2012-01-18 | Thomas James Kirkpatrick | A pallet |
US20090255446A1 (en) * | 2008-02-14 | 2009-10-15 | James Thomas Kirkpatrick | Pallet |
GB2457369A (en) * | 2008-02-14 | 2009-08-19 | Thomas James Kirkpatrick | Pallet with surface element held under compression |
US8291837B2 (en) * | 2008-02-14 | 2012-10-23 | James Thomas Kirkpatrick | Pallet maintaining surface element under compression |
US20110233363A1 (en) * | 2010-03-23 | 2011-09-29 | Michael Chris Wold | Structural composite glulam-steel rig mat |
US9296512B2 (en) | 2011-01-20 | 2016-03-29 | Bede Whiteford | Pallet leader board system |
WO2012098514A1 (en) * | 2011-01-20 | 2012-07-26 | Whiteford Bede | Pallet leader board system |
US9038547B2 (en) | 2011-01-20 | 2015-05-26 | Bede Whiteford | Pallet leader board system |
AU2012290723B2 (en) * | 2011-08-04 | 2017-04-13 | Jonathan BEVIER | Pallet protector device and method |
JP2016137944A (en) * | 2011-08-04 | 2016-08-04 | ウェイン ランドールWayne Randall | Pallet protecting device and method |
US8671848B2 (en) | 2011-08-04 | 2014-03-18 | Wayne Randall | Pallet protector device and method |
CN103796925A (en) * | 2011-08-04 | 2014-05-14 | 韦恩·兰德尔 | Pallet protector device and method |
CN103796925B (en) * | 2011-08-04 | 2016-02-24 | 韦恩·兰德尔 | Pallet protector and method |
US9828136B2 (en) * | 2011-08-04 | 2017-11-28 | Wayne Randall | Pallet protector device and method |
EP2739540A4 (en) * | 2011-08-04 | 2015-03-04 | Wayne Randall | Pallet protector device and method |
US20140283714A1 (en) * | 2011-09-23 | 2014-09-25 | Torben Wahl | Pallet and method for using the pallet |
US9139334B2 (en) * | 2011-09-23 | 2015-09-22 | Torben Wahl | Pallet and method for using the pallet |
US20140057767A1 (en) * | 2012-02-21 | 2014-02-27 | Coulter Ventures, LLC | Modular exercise platform |
US8505467B1 (en) * | 2012-04-16 | 2013-08-13 | Ronald Bruce Roberts | Product protection guards |
US8667905B2 (en) * | 2012-07-26 | 2014-03-11 | Chep Technology Pty Limited | Pallet system |
US20140026790A1 (en) * | 2012-07-26 | 2014-01-30 | Chep Technology Pty Limited | Pallet system |
US20140251190A1 (en) * | 2013-03-08 | 2014-09-11 | Green Line Armor Llc | Pallet Support Shield |
US10549885B2 (en) * | 2016-04-14 | 2020-02-04 | Ahrma Holding B.V. | Pallet and logistic system |
US11214403B2 (en) * | 2016-04-14 | 2022-01-04 | Ahrma Holding B.V. | Pallet and logistic system |
WO2021020960A1 (en) * | 2019-07-31 | 2021-02-04 | RAMÍREZ RAMÍREZ, Víctor Jesús | Tray for use in the production, transport, storage and shipping of concrete blocks and method for manufacturing same |
Also Published As
Publication number | Publication date |
---|---|
GB1274752A (en) | 1972-05-17 |
DE2006308A1 (en) | 1970-08-27 |
CH510560A (en) | 1971-07-31 |
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