EP0619796A1 - Transport pallet made of plastics. - Google Patents
Transport pallet made of plastics.Info
- Publication number
- EP0619796A1 EP0619796A1 EP94901790A EP94901790A EP0619796A1 EP 0619796 A1 EP0619796 A1 EP 0619796A1 EP 94901790 A EP94901790 A EP 94901790A EP 94901790 A EP94901790 A EP 94901790A EP 0619796 A1 EP0619796 A1 EP 0619796A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- strips
- pallet
- feet
- pallet according
- base
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000004033 plastic Substances 0.000 title claims abstract description 9
- 229920003023 plastic Polymers 0.000 title claims abstract description 9
- 238000003466 welding Methods 0.000 claims description 15
- 230000003014 reinforcing effect Effects 0.000 claims description 13
- 238000013459 approach Methods 0.000 claims description 2
- 230000002787 reinforcement Effects 0.000 description 9
- 239000000463 material Substances 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000005260 corrosion Methods 0.000 description 4
- 230000007797 corrosion Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000013502 plastic waste Substances 0.000 description 4
- 238000003825 pressing Methods 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 2
- 239000012459 cleaning agent Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 1
- 230000001154 acute effect Effects 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000003518 caustics Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000003670 easy-to-clean Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- -1 polyethylene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
Classifications
-
- 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
- B65D19/0006—Rigid pallets without side walls the load supporting surface being made of a single element
- B65D19/0008—Rigid pallets without side walls the load supporting surface being made of a single element forming a continuous plane contact surface
- B65D19/001—Rigid pallets without side walls the load supporting surface being made of a single element forming a continuous plane contact surface the base surface being made of a single element
- B65D19/0014—Rigid pallets without side walls the load supporting surface being made of a single element forming a continuous plane contact surface the base surface being made of a single element forming discontinuous or non-planar contact surfaces
- B65D19/0016—Rigid pallets without side walls the load supporting surface being made of a single element forming a continuous plane contact surface the base surface being made of a single element forming discontinuous or non-planar contact surfaces and each contact surface having a stringer-like shape
-
- 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
- B65D19/0006—Rigid pallets without side walls the load supporting surface being made of a single element
- B65D19/0008—Rigid pallets without side walls the load supporting surface being made of a single element forming a continuous plane contact surface
- B65D19/001—Rigid pallets without side walls the load supporting surface being made of a single element forming a continuous plane contact surface the base surface being made of a single element
- B65D19/0014—Rigid pallets without side walls the load supporting surface being made of a single element forming a continuous plane contact surface the base surface being made of a single element forming discontinuous or non-planar contact surfaces
- B65D19/0018—Rigid pallets without side walls the load supporting surface being made of a single element forming a continuous plane contact surface the base surface being made of a single element forming discontinuous or non-planar contact surfaces and each contact surface having a discrete foot-like shape
-
- 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
- B65D2519/00034—Plastic
-
- 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
- B65D2519/00069—Plastic
-
- 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
- B65D2519/00104—Plastic
-
- 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
- B65D2519/00288—Overall construction of the load supporting surface made of 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
- B65D2519/00313—Overall construction of the base surface
- B65D2519/00318—Overall construction of the base surface made of 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
-
- 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
- B65D2519/00333—Overall construction of the base surface shape of the contact surface of the base contact surface having a stringer-like shape
-
- 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
- B65D2519/00338—Overall construction of the base surface shape of the contact surface of the base contact surface having a discrete foot-like shape
-
- 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
- B65D2519/00373—Overall construction of the non-integral separating spacer whereby at least one spacer is made of 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
- B65D2519/00398—Overall construction reinforcements
- B65D2519/00432—Non-integral, e.g. inserts
-
- 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
-
- 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
-
- 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
- B65D2519/00567—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 mechanical connection, e.g. snap-fitted
Definitions
- the invention relates to a transport pallet made of plastic with two parallel surfaces forming its top or bottom, each surface being the outside of the base in each case one of two base bodies which are permanently connected to one another and the bases of which are arranged at a distance from one another.
- Each base for saving plastic material has a lattice-like structure, so that the top and the bottom have a plurality of openings.
- Each base body is provided with blocks arranged in the manner of pallet feet, which protrude beyond the space occupied by the lattice-forming elements in the direction of the other base body and which are permanently connected to one another to form the pallet. There is therefore a free space between the two bases which is intended for the engagement of the fork of a forklift.
- the grid-forming elements are rib-like and their spacing is kept less than the width of a fork member of the forklift truck, so that the fork does not penetrate into the area of these ribs and possible damage is prevented.
- Reinforcing strips which are provided with open grooves, run between the blocks of a base body, into which removable, rigid reinforcing members are inserted and are preferably locked or fixed therein. This is intended to achieve a high load-bearing capacity of the pallet despite the savings in plastic material.
- This well-known palette has a very complex shape, by which an effective cleaning is strongly hindered.
- the overall height of the pallet is considerable and does not correspond to the desire for flat, space-saving pallets.
- the reinforcing members are exposed to the possible effects of corrosive substances, so that their service life is limited unless they are made of particularly high quality material, such as e.g. Stainless steel.
- the pallet should also be as inexpensive to manufacture as possible, have a high load-bearing capacity and a long service life, and the smallest possible height, which is particularly important for the return transport of empty pallets.
- Components are that they can be inexpensively manufactured in large numbers, disposed of in an environmentally friendly manner and, in particular, can be cleaned effectively with the simplest possible shape with largely smooth and closed surfaces.
- the pallet should be designed in such a way that it is suitable for production from waste plastic, in particular also from unsorted household plastic waste that can only be processed in the pressing process, in order thereby to make a contribution to the disposal of such waste.
- the base of each base body is a closed plate, that the space between the bases of the base bodies is bridged by pairs of strips which are parallel to one another and include a groove between them at both ends of each pair of strips, the groove is closed to a chamber by a crosspiece connecting both bases, that the space between the bases is closed along the circumference of the pallet by edge strips, that they are provided with feet projecting outwards over a surface is and that the two base bodies are tightly connected to each other in the area of the strips and crossbars.
- the two base bodies form a simply designed plate after the connection, with smooth, easy-to-clean surfaces, which, due to their internal structure and the reinforcement inserts used as required, have a high load-bearing capacity despite a relatively low material requirement has, the load capacity depending on If necessary, it can be improved by inserting a rigid reinforcing insert into at least one groove.
- the reinforcement inlays allow the pallets to retain their shape even when stored outdoors for a prolonged period.
- the plate can be kept relatively flat overall, thereby enabling a low overall height of the pallet. Because this plate is closed along its circumference, it cannot be damaged by incorrect engagement of the fork of a fork-lift truck.
- Such a pallet can be produced inexpensively from plasticized plastic waste, in particular unsorted household plastic waste, according to an advantageous embodiment.
- This material particularly because of its polyethylene content, is particularly tough, tough, inelastic and unbreakable, and can only be processed in the pressing process because of possibly enclosed sealing bodies or because of fluctuations in the composition and the resulting changing melting points.
- one, several or all of the chambers formed in the pallet according to the invention which are sealed off from the outside can be provided with a reinforcing insert before the two base bodies are joined together, preferably by vibration or mirror welding get connected. Because the reinforcing inserts are tightly enclosed in the chambers and, in addition, the moisture in the chambers is reduced during the welding process, there is no risk of corrosion for metal reinforcing inserts, so that inexpensive alloys can be used. In conjunction with the use of a plastic material that is inexpensive and yet very resistant, there is therefore also the possibility of using relatively aggressive cleaning agents.
- the length of the reinforcement insert is preferably dimensioned taking into account thermally induced changes in the length of the pallet on the one hand and the reinforcement insert on the other hand, so that no disturbing effects are to be feared even at the maximum temperature to be expected.
- the strips, crossbars and edge strips have the same height as the base of a base body.
- strips, crossbars and edge strips associated with one another are integrally formed on both base bodies of the element, the height of the strips, crosspieces and edge strips of one base body approximately corresponding to the distance between the two base bodies forming the element, while the height of the strips, crosspieces and if necessary, edge strips of the other base body are limited to the height of welding projections, so that the reinforcing inserts can be completely embedded in the grooves formed between the pairs of strips before the two base bodies are connected.
- the base body carrying the strips, crossbars and edge strips with the height of approximately the basic distance of the base body is provided with the feet.
- a further expedient embodiment, in order to simplify production, is that in a group of pairs of strips that are parallel to one another, all strips are arranged parallel to one another.
- the element can also comprise two groups of pairs of strips parallel to one another, the direction of the strips of one group intersecting the direction of the strips of the other group and the strips in the area of intersection of each pair of strips of one group with a pair of strips of the other group are interrupted that the grooves enclosed by all the pairs of strips are connected to one another.
- a grid-like, rigid reinforcement insert is preferably inserted into the mutually connected grooves for high-load-bearing pallets.
- the feet are preferably designed as hollow bodies and are arranged in an area kept free from the pairs of strips, their cross-section tapering steadily towards their free end and the surface of the pallet facing away from the feet opposite each one of the feet for inserting one Suitable opening has the foot, wherein the cavity enclosed by the feet opens in the direction of this opening and the area between the opening and the base body supporting the foot is enclosed by a wall which is tightly connected to both bases, the wall of which inner wall surface merges into the inner wall surface of the foot.
- the feet are expediently molded onto the base body adjacent to them.
- the free ends of the feet and the skids matched to the distance between two feet to be bridged by one skid each are provided with mutually associated connecting elements such that the pallet can be provided with at least two skids parallel to one another underneath the feet.
- the runners can be detachably connected to the feet, but a variant is preferred in which the pallet and runners form an inseparable unit.
- the runners consist of a trough-like upper part which is connected to the feet and is open at the bottom, and a lower part which covers the opening thereof and is tightly connected to form a hollow body.
- the upper part is preferably bevelled on its longitudinal edges facing the feet in order to facilitate the insertion of fork-type forks.
- a particularly expedient embodiment consists in that the runners are divided into chambers by longitudinal ribs formed on the upper part, at least one of the chambers being able to contain a rigid reinforcement insert which is enclosed in the chamber in a manner protected against corrosion by the tight connection of the upper part of the runners and the lower part of the runners.
- the lower part is designed as a flat cover which has welding projections assigned to the edges of the upper part and, if appropriate, its longitudinal ribs.
- an expedient embodiment is that the feet are integrally formed as downwardly open frames on the underside of the pallet, to which correspondingly shaped frames are assigned on the runners, and that the frames associated with one another on the underside and on the runners each form a tight cavity are welded.
- pairs of strips cross the pallet completely.
- FIG. 1 shows a cross section through a transport pallet along the line I-I in FIG. 2,
- FIG. 2 shows a section along the line II-II in FIG. 1, the right and the left side showing two different embodiments of the edge area
- FIG. 3 shows a cross section corresponding to FIG. 1 in an edge region of the pallet provided with a foot
- Fig. 4 shows a cross section similar to Fig. 3 through another embodiment of the pallet with firmly attached
- Fig. 5 shows a cross section along the line V-V in Fig. 4 and
- FIG. 6 shows a cross section through a runner similar to FIG. 5 in a variant with expansion plug-like runner fastening.
- the pallet shown designated overall by 10, essentially consists of two plasticized tem household plastic waste produced base bodies 12 and 14, which are permanently connected, preferably by mirror welding.
- the base body 12 consists of a rectangular, plate-shaped base 15, one side 16 of which forms an outer side of the element 10.
- an edge strip 20 extends at right angles to the plate plane along the circumference of the plate.
- parallel paired strips 22 and 24 run, each with a groove 26 between them lock in.
- all the strips 22 and 24 run parallel to two parallel side edges of the base 15.
- the edge strips parallel to the strips 22 and 24 can be formed by the width of the grooves 26 20 adjacent strips 24 or 22 can also be arranged directly in the edge region of the base 15 grooves 26. This possibility also exists if, according to the variant shown in the right half of FIG.
- a second group of strips 22 'and 24' is added to the first group of strips 22 and 24, which is perpendicular to the strips 22 and 24 of the first Group run.
- the strips 22 and 24 or 22 'and 24' are each interrupted in the intersection of the two strip groups in such a way that the grooves 26 and 26 'are connected to one another.
- the ribs 22 and 24 or 22 'and 24' can also run obliquely to the edges and optionally also at an acute angle to one another, so that the grooves 26 and 26 'form a diamond-shaped pattern .
- the section of the edge strips 20 crossing the groove 26 and 26' forms a web 28 and 28 'which closes each groove 26 and 26'.
- the base body 14 consists of a likewise rectangular, plate-shaped base 17, with a side 16a forming an outer surface of the pallet 10 and a side 18a facing the side 18 of the base 15, which is congruent with the side 18, i.e. with the edge strips 20 and the strips 22 and 24 or 22 'and 24' corresponding profiles 20a, 22a, 24a, 22'a and 24'a is provided, the height of which, however, is relatively low due to their function as a welding approach, while the height of the edge strips 20 and the strips 22, 24, 22 'and 24' almost corresponds to the distance between the opposite sides 18 and 18a in the finished pallet 10.
- metallic reinforcing inserts 30 can be inserted into one or more or all of the grooves 26 and / or 26 'to reinforce the pallet 10 be inserted. If there are two groups of grooves 26 and 26 ', a grid-like construction adapted to the overall system of the grooves 26 and 26' can also be introduced as the reinforcing insert.
- the grooves are to be closed to moisture-tightly sealed chambers in which the reinforcement inserts 30 are protected against corrosion.
- three rows of three feet 40 each are provided on the underside of the pallet, these feet being molded onto the lower base body 12 and tapering towards their free end.
- the feet 40 are hollow and are formed by a truncated cone or truncated pyramid with an inner wall surface 44 which is closed at its free end by a bottom 46.
- the jacket 42 is connected to the base 15 of the base body 12, the ribs 22 and 24 being distributed on the base 15 in such a way that the regions on which the feet 40 are arranged are free of ribs, so that in the rear
- the way described below creates the possibility of stacking empty pallets in a particularly space-saving manner.
- the base 15 is penetrated by the jacket 42 formed on it in the region of an opening 48 formed therein, the jacket 42 then continuing on the inside 18 of the base 15 and in the plane determined by the height of the ribs 20, 22 and 24 ends. While maintaining the tip angle selected for the inner wall surface 44 of the jacket 42, this wall surface 44 continues in the interior of the hollow loading pallet 10.
- the base 17 is provided on its inside 18a with a welding attachment 42a which is assigned to the free end of the jacket 42 on the base body 12 and is designed such that it welds one after the two base bodies 12 and 14 have been welded to the inner wall surface 44 has aligned inner wall surface 50, which opens out in an opening 52 in the base 17.
- the pallet 10 After the two base bodies 12 and 14 have been welded, the pallet 10 thus has on its upper side 16 openings formed by the openings 52 to which a cavity 54 delimited by the wall surfaces 44 and 50 connects, which is suitable for receiving the corresponding foot 40 of a stacked pallet 10 of the same type.
- the area provided within the hollow pallet 10 for receiving the reinforcement inserts 30 is sealed off from the cavity 54.
- runners 60 arranged under the feet 40 in a known manner. If it is desired to be able to use the pallet 10 either with or without runners, a releasable connection of the runners to the pallet can be provided, as can be seen in FIG. 3 or FIG. 5. However, the runners are preferably permanently connected to the pallet, as shown in FIG. 4.
- Fig. 3 as well as the pallet 10 runners 60 shown in the pressing process are shown, the feet 40 associated locking pins 62 with a convex convex cross-sectional shape in longitudinal section, so that by pressing in
- a runner shape as shown in FIGS. 4, 5 and 6, is more advantageous, the runner 61 being designed as a hollow body.
- This hollow body consists of an upper part 70, for example in the form of a trough which is open at the bottom, the upper longitudinal edges 72 of the upper part 70 facing the pallet 10 being chamfered in order to make it easier to insert a fork.
- the upper part 70 is traversed in the longitudinal direction by, for example, two longitudinal ribs 74.
- the opening of the The upper part is preferably closed by mirror welding with a flat cover 76, on which welding lugs 78 assigned to the edges of the upper part 70 and the ribs 74 are formed, so that, just as in the manufacture of the pallet 10, a moisture-tight hollow body is formed which is divided into several chambers , in which metallic reinforcement inserts can optionally be introduced before welding.
- the runner 61 can also be releasably connected to the pallet 10.
- FIG. 6 shows a suitable embodiment for this purpose.
- the upper part 70 is provided on its upper side 82 with openings 84, which represent the opening of cylindrical guide sleeves 86 formed on the inside of the upper part 70, with welding projections 88 on the cover 76 and passage openings 90 are assigned.
- On the underside of the cover 76 depressions 92 are formed concentrically with the passage openings 90, which are suitable for a recessed arrangement of the heads 94 of e.g. To provide expansion dowel-like connecting bolts 96 with which the runner 61 can be connected to the feet 40.
- the runners 61 are firmly welded to the pallets 10, for which purpose frame-like stub 41 are formed on the lower base body 12, to which corresponding counterparts 43 are assigned on the upper side 82 of the upper parts 70 of the runners 61, which are preferably can be connected by mirror welding to a closed hollow body forming a connecting foot between the pallet 10 and the runner 61.
Abstract
Une palette de transport en matière plastique (10) comprend deux surfaces parallèles qui forment sa face supérieure (16a) et sa face inférieure (16) et dont la face extérieure forme la base (15, 17) de deux corps de base (12, 14) fixés l'un à l'autre de manière permanente et dont les bases (15, 17) sont mutuellement espacées. La base de chaque corps de base est constituée d'une plaque fermée. L'intervale entre les bases des corps de base est rempli par des paires de barres parallèles (20, 22; 22, 24; 24, 20) entre lesquelles est ménagée une rainure. Aux deux extrémités de chaque paire de barres, la rainure (26) est fermée par une barre transversale (28) qui unit les deux bases (15, 17), formant une chambre fermée. L'espace entre les bases est fermé le long de la périphérie de la palette par des barres marginales (20). La palette (10) est pourvue de pieds (42) qui font saillie vers l'extérieur au-dessus d'une surface (16) et qui sont, le cas échéant, pourvus de patins. Les deux corps de base (12, 14) sont reliés l'un à l'autre de manière serrée dans la zone des barres (20, 22, 24) et des barres transversales (28).A plastic transport pallet (10) comprises two parallel surfaces which form its upper face (16a) and its lower face (16) and the outer face of which forms the base (15, 17) of two base bodies (12, 14) fixed to each other permanently and whose bases (15, 17) are mutually spaced. The base of each base body consists of a closed plate. The interval between the bases of the base bodies is filled by pairs of parallel bars (20, 22; 22, 24; 24, 20) between which a groove is formed. At the two ends of each pair of bars, the groove (26) is closed by a transverse bar (28) which unites the two bases (15, 17), forming a closed chamber. The space between the bases is closed along the periphery of the pallet by marginal bars (20). The pallet (10) is provided with feet (42) which project outwards above a surface (16) and which are, if necessary, provided with skids. The two base bodies (12, 14) are tightly connected to each other in the area of the bars (20, 22, 24) and the cross bars (28).
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4237917 | 1992-11-10 | ||
DE4237917A DE4237917C2 (en) | 1992-11-10 | 1992-11-10 | Transport pallet pressed from plastic |
PCT/EP1993/003149 WO1994011262A1 (en) | 1992-11-10 | 1993-11-10 | Transport pallet made of plastics |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0619796A1 true EP0619796A1 (en) | 1994-10-19 |
EP0619796B1 EP0619796B1 (en) | 1996-07-24 |
EP0619796B2 EP0619796B2 (en) | 1999-09-08 |
Family
ID=6472524
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP94901790A Expired - Lifetime EP0619796B2 (en) | 1992-11-10 | 1993-11-10 | Transport pallet made of plastics |
Country Status (10)
Country | Link |
---|---|
US (1) | US5806436A (en) |
EP (1) | EP0619796B2 (en) |
JP (1) | JP2904309B2 (en) |
AT (1) | ATE140669T1 (en) |
DE (2) | DE4237917C2 (en) |
DK (1) | DK0619796T4 (en) |
ES (1) | ES2091685T5 (en) |
GR (2) | GR3021090T3 (en) |
RU (1) | RU2126349C1 (en) |
WO (1) | WO1994011262A1 (en) |
Families Citing this family (36)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE9415328U1 (en) * | 1993-09-24 | 1994-11-24 | Stegmaier Peter | palette |
SE501539C2 (en) * | 1994-04-13 | 1995-03-06 | Perstorp Ab | Cavity for plastic pallet |
NO306205B1 (en) * | 1996-01-11 | 1999-10-04 | Borealis As | plastic pallet |
US6283044B1 (en) * | 1998-07-01 | 2001-09-04 | Rehrig Pacific Company | Pallet assembly |
NL1014120C2 (en) * | 2000-01-19 | 2001-07-20 | Lankhorst Recycling Bv | Roller deck. |
US6718888B2 (en) * | 2000-04-11 | 2004-04-13 | Nextreme, Llc | Thermoformed platform |
US7342496B2 (en) | 2000-01-24 | 2008-03-11 | Nextreme Llc | RF-enabled pallet |
US8077040B2 (en) | 2000-01-24 | 2011-12-13 | Nextreme, Llc | RF-enabled pallet |
US7874256B2 (en) * | 2000-04-11 | 2011-01-25 | Nextreme, Llc | Fire resistant plastic pallet with low radio frequency resistivity |
US8347794B2 (en) | 2000-04-11 | 2013-01-08 | Nextreme, Llc | Fire resistant pallet |
US6651815B1 (en) | 2000-05-22 | 2003-11-25 | Rehrig Pacific Company | Top frame assembly |
US6748876B2 (en) | 2001-10-30 | 2004-06-15 | Patent Holding Company | Reinforced composite pallet assembly of the sandwich-type with a locally crushed cellular core |
US6823803B2 (en) | 2001-10-30 | 2004-11-30 | Patent Holding Company | Assembly for enclosing and protecting a plurality of meters for storage or transportation purposes and carrier and pallet for use therein |
US6655299B2 (en) | 2001-10-30 | 2003-12-02 | Patent Holding Company | Reinforced composite pallet assembly of the cellular core sandwich-type |
US6874428B2 (en) * | 2001-12-18 | 2005-04-05 | Rehrig Pacific Company | Plastic pallet |
US20040025757A1 (en) * | 2002-05-08 | 2004-02-12 | Fan Jerry J. | Top frame |
US20030233963A1 (en) * | 2002-05-17 | 2003-12-25 | Fan Jerry J. | Central pallet connector or post for use with grabber arms of a forklift |
US20040134390A1 (en) * | 2003-01-09 | 2004-07-15 | Rehrig Pacific Company | Nestable pallet |
US7661373B2 (en) * | 2003-04-28 | 2010-02-16 | Rehrig Pacific Company | Pallet assembly |
US7640867B2 (en) * | 2003-04-28 | 2010-01-05 | Rehrig Pacific Company | Pallet assembly |
US7086339B2 (en) * | 2003-04-29 | 2006-08-08 | Rehrig Pacific Company | Pallet assembly |
DE102005013933B4 (en) * | 2005-03-26 | 2007-05-24 | Daimlerchrysler Ag | Workpiece carrier for transporting aggregates |
AU2006203742A1 (en) * | 2005-09-09 | 2007-03-29 | Rehrig Pacific Company | Pallet |
US7644666B2 (en) | 2006-02-09 | 2010-01-12 | Rehrig Pacific Company | Pallet |
US7690315B2 (en) | 2007-06-15 | 2010-04-06 | Rehrig Pacific Company | Nestable pallet |
US8322516B2 (en) | 2007-09-14 | 2012-12-04 | Flexlink Components Ab | Pallet and a pallet system |
US9988180B2 (en) * | 2008-01-18 | 2018-06-05 | Rehrig Pacific Company | Pallet |
JP2014169100A (en) * | 2013-03-04 | 2014-09-18 | Sanko Co Ltd | Box pallet |
AU2017201039B2 (en) | 2016-02-16 | 2022-08-04 | Rehrig Pacific Company | Lift and pallet |
US10479553B2 (en) | 2016-02-26 | 2019-11-19 | Rehrig Pacific Company | Nestable pallet |
CA2982035A1 (en) | 2016-10-11 | 2018-04-11 | Rehrig Pacific Company | Pallet with inset deck |
US11352169B2 (en) | 2019-01-18 | 2022-06-07 | Rehrig Pacific Company | Pallet assembly |
US11174070B2 (en) | 2019-08-07 | 2021-11-16 | Rehrig Pacific Company | Stackable pallet |
US11034371B2 (en) | 2019-08-19 | 2021-06-15 | Rehrig Pacific Company | Pallet sled |
USD895223S1 (en) | 2020-05-20 | 2020-09-01 | Rehrig Pacific Company | Pallet |
USD895224S1 (en) | 2020-05-20 | 2020-09-01 | Rehrig Pacific Company | Pallet |
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JPS4929951B1 (en) †| 1969-10-22 | 1974-08-08 | ||
US3938448A (en) * | 1970-12-30 | 1976-02-17 | Mitsubishi Chemical Industries Ltd. | Plastic pallet |
US3702100A (en) * | 1971-04-05 | 1972-11-07 | Menasha Corp | Molded pallet |
US3709161A (en) †| 1971-04-06 | 1973-01-09 | Narad Inc | Honeycomb pallet |
FR2206248B3 (en) * | 1972-11-10 | 1975-11-28 | Gmt Sa | |
DE7305667U (en) * | 1973-02-15 | 1973-10-25 | Huels Chemische Werke Ag | Stacking plate |
GB1571190A (en) * | 1975-12-09 | 1980-07-09 | Wavin Bv | Pallets |
JPS5319577U (en) * | 1976-07-29 | 1978-02-20 | ||
FR2389485A1 (en) †| 1977-05-03 | 1978-12-01 | Proplan Sa | Adhesive backed laminated film with integral air pockets - for use as impact resistant masking tape |
DE2731131C2 (en) * | 1977-07-09 | 1986-01-09 | Werzalit-Werke J.F. Werz KG, 7141 Oberstenfeld | Flat pallet |
US4397247A (en) * | 1980-01-03 | 1983-08-09 | Lemelson Jerome H | Molding system and article |
SE8105855L (en) †| 1981-10-05 | 1983-04-06 | Ljungdahl Sture Ab | PALLET |
DE8535530U1 (en) * | 1985-12-18 | 1986-07-17 | Remaplan GmbH, 8000 MĂĽnchen | Plastic pallet |
SE463557B (en) †| 1986-03-14 | 1990-12-10 | Carin Melin | LOAD PALL WITH CELL STRUCTURE |
DE8626847U1 (en) * | 1986-10-09 | 1988-02-11 | Verlinden, Marius A. J., Antwerpen, Be | |
US4879956A (en) * | 1988-01-14 | 1989-11-14 | Shuert Lyle H | Plastic pallet |
SE463761B (en) †| 1989-01-24 | 1991-01-21 | Carin Melin | Process for producing a plate for a pallet |
US5117762A (en) | 1990-02-26 | 1992-06-02 | Shuert Lyle H | Rackable plastic pallet |
FR2702450B1 (en) * | 1993-03-10 | 1995-04-21 | Guy Hamard | Recyclable flat support for transporting goods, including pallets. |
-
1992
- 1992-11-10 DE DE4237917A patent/DE4237917C2/en not_active Expired - Fee Related
-
1993
- 1993-11-10 WO PCT/EP1993/003149 patent/WO1994011262A1/en active IP Right Grant
- 1993-11-10 AT AT94901790T patent/ATE140669T1/en not_active IP Right Cessation
- 1993-11-10 RU RU94037234A patent/RU2126349C1/en active
- 1993-11-10 EP EP94901790A patent/EP0619796B2/en not_active Expired - Lifetime
- 1993-11-10 DK DK94901790T patent/DK0619796T4/en active
- 1993-11-10 ES ES94901790T patent/ES2091685T5/en not_active Expired - Lifetime
- 1993-11-10 DE DE59303325T patent/DE59303325D1/en not_active Expired - Lifetime
- 1993-11-10 JP JP6511705A patent/JP2904309B2/en not_active Expired - Fee Related
-
1996
- 1996-09-19 GR GR960402450T patent/GR3021090T3/en unknown
-
1997
- 1997-11-21 US US08/975,875 patent/US5806436A/en not_active Expired - Fee Related
-
1999
- 1999-11-25 GR GR990403052T patent/GR3031959T3/en unknown
Non-Patent Citations (1)
Title |
---|
See references of WO9411262A1 * |
Also Published As
Publication number | Publication date |
---|---|
WO1994011262A1 (en) | 1994-05-26 |
EP0619796B1 (en) | 1996-07-24 |
ES2091685T5 (en) | 2000-01-01 |
EP0619796B2 (en) | 1999-09-08 |
RU94037234A (en) | 1996-07-20 |
DE4237917A1 (en) | 1994-05-11 |
JPH07506796A (en) | 1995-07-27 |
DE59303325D1 (en) | 1996-08-29 |
JP2904309B2 (en) | 1999-06-14 |
DE4237917C2 (en) | 1998-04-16 |
ATE140669T1 (en) | 1996-08-15 |
US5806436A (en) | 1998-09-15 |
DK0619796T3 (en) | 1996-11-25 |
GR3021090T3 (en) | 1996-12-31 |
RU2126349C1 (en) | 1999-02-20 |
DK0619796T4 (en) | 2000-02-07 |
GR3031959T3 (en) | 2000-03-31 |
ES2091685T3 (en) | 1996-11-01 |
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