EP0510148A1 - Porte-charges en matiere plastique et outil de fabrication du porte-charges - Google Patents

Porte-charges en matiere plastique et outil de fabrication du porte-charges

Info

Publication number
EP0510148A1
EP0510148A1 EP91919438A EP91919438A EP0510148A1 EP 0510148 A1 EP0510148 A1 EP 0510148A1 EP 91919438 A EP91919438 A EP 91919438A EP 91919438 A EP91919438 A EP 91919438A EP 0510148 A1 EP0510148 A1 EP 0510148A1
Authority
EP
European Patent Office
Prior art keywords
flat
load carrier
baseboards
webs
core pieces
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.)
Withdrawn
Application number
EP91919438A
Other languages
German (de)
English (en)
Inventor
Karl Adolf Weidt
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fritz Schaefer GmbH
Original Assignee
Fritz Schaefer GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Fritz Schaefer GmbH filed Critical Fritz Schaefer GmbH
Publication of EP0510148A1 publication Critical patent/EP0510148A1/fr
Withdrawn legal-status Critical Current

Links

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
    • B65D1/00—Containers having bodies formed in one piece, e.g. by casting metallic material, by moulding plastics, by blowing vitreous material, by throwing ceramic material, by moulding pulped fibrous material, by deep-drawing operations performed on sheet material
    • B65D1/40—Details of walls
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/26—Moulds
    • B29C45/33—Moulds having transversely, e.g. radially, movable mould parts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/40—Removing or ejecting moulded articles
    • B29C45/44—Removing or ejecting moulded articles for undercut articles

Definitions

  • the invention relates to a load carrier made of plastic, as is used in particular as a storage and transport box or container and as a pallet or tray in storage and transport systems for goods.
  • the invention also relates to a tool such as is used for the production of such plastic load carriers.
  • the invention is based on those plastic load carriers in which a bottom having a flat top is stabilized on the underside by stiffening ribs and in which at least along two parallel side edges of the bottom, in the direction of the bottom plane, there are flat baseboards which extend across webs facing the relevant side edge are supported at a distance below the floor level and form standing surfaces of the bearing support. There are pockets between the bottom underside, the baseboard top and the transverse webs which are delimited in a pocket-like manner and open at least towards the side edge.
  • Load carriers made of plastic with such a basic structure are already known as box-shaped containers, in particular in the form of storage and transport boxes, from DE-GM 81 37 907 and DE-GM 89 02 719.
  • plastic load carriers are designed to even plan flat running surfaces for transport on transport routes, for example roller conveyors, due to the special baseboard arrangement below the floor create when the bottom of the load carrier tends to a disturbing deflection under the load of the goods resting thereon.
  • the known equipment of the plastic load carriers with flat baseboards lying at a distance below their bottom underside and the resulting stabilization have already made it possible to achieve a higher utility value with regard to combined use in rack systems and on transport routes, the known load carriers still have Disadvantages that result from the known shape of its base region or from the flat skirting boards adjoining it at the bottom.
  • the tools used to manufacture the known plastic load carriers are basically designed so that, after the demolding brought about by the spreading apart of the various tool parts, they end where the flat foot rails with their underside forming the treads end in the floor corner regions leave completely flat as well as shaping determined by right-angled boundary edges.
  • This completely flat and of essentially rectangular boundary edges certain end design of the baseboards can easily lead to the fact that the load carriers not only get stuck and unwanted when they are pushed into a shelf receiving space, but also when they are moving over transport routes, for example over roller conveyors thereby becoming sensitive Disturbances in the normal course of the warehouse and transport operations.
  • such undesired interlocking between the load carriers and the rack and transport systems can also lead to damage and destruction of the load carriers themselves.
  • the object of the invention - in order to eliminate these inadequacies - is to improve plastic load carriers, in particular storage and transport boxes or containers as well as pallets or trays of the generic type in such a way that the load carriers get caught and / or get caught with them Skirting boards on functional parts of racking systems and / or conveyor lines that are in active connection with it are effectively prevented by simple means.
  • the set goal according to the invention is basically achieved in that the end sections of the flat skirting boards are formed from cross-sectionally to their longitudinal direction in a skid shape up to the bottom underside and curved upward sections, which provide a firm connection to the bottom - to the bottom-bottom ⁇ side - have and thus at the same time form an end web serving to delimit a pocket-like free space.
  • Load carriers made of plastic namely storage and transport boxes for rack storage
  • the transverse side of the frame formed below the bottom by the reinforcing ribs is in front of the rounding of the outwardly directed, horizontal webs by a considerable amount and has a configuration that of that of the generic load carriers according to DE-GM 81 37 907 and DE-GM 89 03 430 is at least similar. As a result, it also has its disadvantages.
  • the flat baseboards are assigned at least to the two longitudinal side edges of the bottom of a load carrier.
  • the flat baseboards are present on the load carrier both in the area of the longitudinal and in the area of the transverse side edges of the floor.
  • the invention can be used regardless of whether the load carrier and its bottom have a rectangular or a square outline.
  • a design for the charge carrier has proven itself, in which flat baseboards extend along all four side edges of the rectangular or square base, but only two mutually parallel flat baseboards are associated with upwardly curved end webs.
  • the upward-curved end webs can have a width that corresponds to the width of the subsequent baseboards.
  • the width of the end webs curved upward like a skid exceeds the width of the subsequent skirting boards, such. d a ß the end webs, each also extend over a partial length of the transverse flat baseboards.
  • a particularly advantageous type of load carrier is characterized, however, by the fact that the end webs curved in an upward curve extend uninterruptedly over the entire length of the transverse, flat skirting board and thereby delimit correspondingly deep, pocket-like free spaces below the floor.
  • diagonally running stiffening ribs can adjoin the end webs which surround the corner regions and run like a skid, which together with the flat baseboards delimit open pockets inwards, namely towards the center of the floor.
  • a tool for the production of plastic load carriers which, in addition to a tool part that determines the flat and smooth inner shape of the charge carrier, also has several tool parts that determine its outer shape, provided with ribs, webs, shoulders or the like, and that can be moved relative to one another, is essentially characterized according to the invention net that the pocket-like free spaces between the flat baseboards and the bottom underside of the tool parts as movable on parallel to the floor plane side baking seated, comb-like sideways protruding core pieces, of which end core pieces each have roundings which run in their longitudinal or movement direction and whose shape corresponds to the inner contour of the end webs which are curved like a runner upwards on the flat baseboards.
  • the shaped elements that determine the outer contour of these end webs curved upward like a skid are usually located on the tool part that determines the configuration of the bottom region of the outer shape on the load carrier.
  • the length of the core pieces corresponds in each case to the depth of the free spaces delimited by pockets, while the length of the end core pieces is adapted to the width of the end webs which curve upward in the manner of runners and which adjoin the skirting boards is.
  • the end core pieces can be extended in a forwardly protruding manner compared to the comb-like core pieces.
  • the extension of the end core pieces can be designed in such a way that two opposite end pockets meet on the load carrier in the middle below the bottom underside and thus join the bottom-side connections of the end webs to form a continuous connection strip.
  • FIG. 1 is a side view of a storage and transport box serving as a load carrier, which is placed on a roller transport path and has a spatial shape that tapers from its opening towards its bottom and can be inserted into one another when empty,
  • FIG. 2 also shows a side view of a stackable storage and transport box serving as a load carrier, which is placed on a roller transport track,
  • FIG. 3 is an enlarged partial view of the in the figures
  • FIG. 4 in a spatial representation the storage and transport box according to FIG. 1 with the floor area turned upwards together with parts of a tool used for its production in its final shaping position,
  • FIG. 5 in a partial partial view the storage and transport box according to FIG. 4 in a somewhat modified version together with a tool part in the final shaping position, Figure 6 again in a spatial view
  • FIG. 7 the underside of a further load carrier with a square outline and with associated tool parts in their final shaping position and
  • the load carriers 1 made of plastic can also be those of a relatively flat design, that is to say so-called pallets or trays, the former generally not having any longitudinal and transverse walls protruding from the floor, while the latter are only relatively low have longitudinal and transverse edge rims projecting from the floor.
  • load carriers 1 have the feature in common that they have an at least essentially a bottom 2 provided with a flat top, which is stabilized on its underside by a system of integrally molded stiffening ribs 3, such as that Figures 4 to 8 of the drawing can be clearly seen.
  • All load carriers 1 also have in common the feature shown in the drawing based on the example of the storage and transport boxes or containers la and lb that at least along two Extending parallel boundary edges 4 of the floor 2 in the direction of the floor plane, flat baseboards 5. These baseboards 5 are supported at a distance below the plane of the floor 2 by webs 6 which are directed transversely to the relevant boundary edge 4 and project perpendicularly from the underside of the floor 2. The baseboards 5 form the actual footprints of the load carrier 1, for example the storage and / or transport box or container la and lb, as shown in FIGS. 1 and 2 of the drawing.
  • pocket-like delimited free spaces 7 each of which has an opening at least to the adjacent boundary edge 4 of the bottom 2.
  • the pocket-like free spaces 7 can in each case be closed off by a wall 8 towards the inside, ie towards the surface zone of the base 2 equipped with the stiffening ribs 3, as can be seen in FIGS. 4 to 8 of the drawing.
  • the walls 8 can optionally also be at least partially open or provided with passages, for example, if it is desired to have an almost unhindered passage of cleaning liquids, for example in the form of liquid jets, to enable.
  • the equipment of load carriers 1, for example.
  • Storage and transport boxes or containers la and lb with the flat baseboards 5 lying in the direction of the floor plane and at a distance from this serves the purpose of ensuring that not only the total area of the floor 2 for the goods resting on it offer a flat support, but it also creates a perfect support for the load carrier itself, which ensures a high level of stability regardless of whether they are loaded or unloaded.
  • the latter applies even if the floor 2 should bend under load in its area on the underside with the reinforcing ribs 3, because this bowing is caused by the presence the pocket-like free spaces 7 delimited from one another by the webs 6 cannot propagate toward the flat baseboards 5.
  • the skid-like upwardly curved end sections 9 or their sections 10 forming the end webs preferably have the shape of a quarter-circle arc, as can be seen in particular in FIG. 3 of the drawing, and serve mainly the purpose of trouble-free running of the load carrier 1 or the Storage and transport box or container la and lb to ensure over transport routes, for example.
  • Roller conveyor tracks 12 with a plurality of closely arranged rollers as can be seen in Figures 1 to 3 of the drawing.
  • the upward-curved end sections 8 or sections 10 of the flat baseboards 5 which are curved upward towards the underside 2a of the base 2 are also intended to ensure that the load carriers 1 or storage and transport boxes or containers la and lb are pushed in smoothly into the storage levels of a rack system 13, for example into the compartments or support and guide rails 14 thereof, as shown by the broken lines in FIG. 3 of the drawing.
  • Flat baseboards 5 are usually assigned to at least two parallel boundary edges 4 of the base 2.
  • Load carriers 1 or storage and transport boxes or containers la and lb with a rectangular plan are generally the two longitudinal side edges 4a of the base 2, as shown in FIG.
  • the flat baseboards 5 have both the longitudinal side edges 4a and the transverse side edges 4b are assigned to the base 2 on the load carrier 1, as can be seen in FIGS. 4 and 6 for a load carrier 1 with a rectangular plan and FIGS. 7 and 8 for a load carrier 1 with a square plan.
  • flat skirting boards 5 extend along all four boundary edges 4 or both along the two longitudinal side edges 4a and the two transverse Side edges 4b of the floor 2, which is rectangular in plan.
  • the skid-like upward curved end sections 9 or their sections or end webs 10 extend continuously over the entire length of the transverse, flat skirting board, that is are assigned to the total width of the floor 2.
  • the pocket-like delimited free spaces 7a thus extend over the entire width of the underside 2a of the base 2 essentially in the direction of the transverse side edges 4b and are each divided there by a partition 15 lying halfway along the transverse flat skirting board 5, which as one Extension of a stiffening rib 3 on the underside 2a of the bottom 2 can be viewed.
  • the end sections 9 curved in the manner of runners up to the bottom underside 2a or the sections or end webs 10 of the flat baseboards 5 forming them do not extend over the The entire width of the base 2.
  • the width of the sections or end webs 10 curved upward like a skid is, however, recognizably dimensioned such that they markedly exceed the width of the skirting boards 5 assigned only to the longitudinal side edges 4a. In this case, it is thus achieved that the end sections 9 or the sections or end webs 10 which form them each also extend over a partial length of the transverse side edges 4b not equipped with a flat baseboard.
  • stiffening ribs 3 are then also provided on the underside 2a of the base 2 where the base 2 extends from a fenden, flat baseboard 5 is free.
  • the pocket-like free spaces 7a in the storage and transport box or container 1 a according to FIG. 5 have a greater depth than the other pocket-like free spaces 7, which only lie below the flat baseboards running parallel to the longitudinal side edges 4a of the bottom 2 5 are located.
  • the charge carrier 1 according to FIG. 5 is a variant of the charge carrier 1 according to FIG. 4.
  • FIGS. 1, 4 and 5 While the load carrier 1 designed as a storage and transport box or container la according to FIGS. 1, 4 and 5 is of a type which has a spatial shape which tapers from the opening to the floor 2 and which, when empty, has several space saving can be put together, are shown in Figures 2 and 6 to 8 storage and transport boxes or containers lb, which have a stackable design.
  • FIG. 6 there is a storage and transport box or container 1b with a rectangular plan
  • FIGS. 7 and 8 a storage and transport box or container 1b with a square plan is shown.
  • the skid-shaped end sections 9 up to the underside 2a of the base 2 or the sections or end webs 10 forming these are assigned only to the flat baseboards 5, which extend along the Extend longitudinal side edges 4a of the bottom 2.
  • the width of the end sections curved upward towards the underside 2a of the base 2 cuts 9 or the sections or end webs 10 forming them corresponds here exactly to the width of the two flat baseboards 5 running along the longitudinal side edges 4a of the base 2, as is clearly shown in FIG.
  • the pocket-like free spaces 7a thus also have the same depth as the adjacent pocket-free spaces 7.
  • a load carrier 1 or a storage and transport box or container 1b that can be seen in FIG. 6 that the connections 11 of the skid-like upwardly curved end sections 9 or sections or end webs 10 on the underside 2a of the base 2 lies by a measure in front of the outer boundary edge of the respective transverse baseboard 5 which runs parallel to the transverse side edge 4b of the base and which corresponds approximately to the radius of curvature of the runner shape.
  • This measure ensures that the smooth sliding of the load carrier 1 in question onto the rollers of a roller transport path 12 cannot be impaired by the transverse baseboards 5.
  • Load carriers 1 with a square outline should be designed in such a way that they enable trouble-free dynamic use on conveyor lines and in rack systems even when the direction of travel is not specified for them.
  • flat baseboards 5 are provided continuously along all four boundary edges 4 of the base 2.
  • end runners 10 Only in the four corner regions of the flat baseboards 5 converging at right angles are end runners 10 curved upward in the manner of runners. These end webs extend with an additional curve of 90 ° around the respective corner area, i. H. they have a curved shape on the one hand in the vertical direction and on the other hand in the horizontal direction, as can be seen particularly from FIG. 8 of the drawing.
  • a load carrier 1 with the training features shown in FIGS. 7 and 8 has the particular advantage that it can be used regardless of a given direction of travel and still enables trouble-free, dynamic use both on conveyor lines and in rack systems.
  • FIGS. 4 to 7 of the drawing parts of tools are also shown, with the aid of which the relevant load carriers 1 or storage and transport boxes or containers 1 a and 1 b can be manufactured from plastic in an injection molding process. However, essentially only those tool parts are shown, with the aid of which the shaping of those areas which are located between the flat baseboards 5 and the underside 2a of the base 2 is brought about.
  • FIGS. 1 and 4 The manufacture of the storage and transport box or container la according to FIGS. 1 and 4 is useful for a tool, of which - for the sake of clarity - only two different tool parts 21 and 22 are shown, although there are at least six cooperating tool parts includes.
  • the tool part 21 is designed such that it determines the outer shape of the storage and transport box or container la in the region of a transverse side wall 23, while the tool part 22 has a design with which the outer contour of a longitudinal side wall 24 is determined.
  • the tool part 21 also determines the shape of an apron edge 25 with a grip strip 26 at the upper end of the transverse side wall 23, it has to be moved in the vertical direction, ie in and against the direction of the arrow 27, to close and open the entire tool.
  • the design of the tool part 21 is also of such a type that, with its help, the outer contour of a section of the base 2 adjoining the transverse side wall 23 and the outer contour of the end portion 10 which is curved upwards towards the underside 2a of the base 2 flat baseboards 5 can be determined.
  • the inner contour of the respective nigen area on the storage and transport box or container la determined, which is located between the bottom 2a of the bottom 2 and the top of the flat baseboard 5. For this reason, the tool part 22 must be moved parallel to the plane of the base 2, that is to say in the horizontal direction in and opposite to the direction of the arrow 28, in order to close and open the entire tool.
  • the tool part 22 for determining the outer contour for the longitudinal side wall 24 is designed as a side jaw on which several, for example four, comb-like core pieces 29 and additionally two end core pieces 30 are seated.
  • the core pieces 29 and the end core pieces 30 are each separated from one another by spacing gaps, the width of which corresponds to the thickness of the webs 6, by means of which the flat foot rails 5 are connected in one piece to the underside 2a of the base 2 at a fixed distance.
  • the end core pieces 30 Since the pocket-like free spaces 7a have a substantially greater depth than the pocket-like free spaces 1, the end core pieces 30 also have a correspondingly greater overall length than the core pieces 29. In addition, the end core pieces 30 each have a rounding 32 on their outer upper edge , by which the inner Krü mungsbogen for the skid-like upward curved end sections 9 or sections or end webs 10 of the flat foot parts 5 is determined. A trough 33, which is incorporated into the upper end region of the tool part 21, is used to form the outer curve of these end sections 9 or partial pieces or end webs 10.
  • the length dimension of the end core pieces 30 is provided such that when two tool parts 22 of identical construction move together in the opposite direction, a gap remains between the facing end faces of the end core pieces 30 located thereon, which gap corresponds to the thickness of the partition wall 15.
  • a gap By in Plastic melt penetrating this gap is then formed in the closed tool in each case the partition wall 15 between the pocket-like free spaces 7a lying next to one another and remaining open on opposite sides.
  • the tool part 22 is only partially shown. It differs from the corresponding tool part 22 according to FIG. 4 essentially only in that the end core pieces 30 having the rounding 32 have a length dimension which only projects slightly beyond the length dimension of the core pieces 29. It follows from this that, in the closed overall tool, the pocket-like free spaces 7a between the underside 2a of the base 2 and the flat baseboard 5 parallel to the transverse side edge 4b according to FIG. 5 are correspondingly shorter than the same pocket-like free spaces 7a according to FIG. 4 Drawing.
  • the tool used to manufacture the storage and transport box or container la according to FIG. 6 differs from that used to manufacture the storage and transport box or container la according to FIGS. 4 and 5 in that the outer contour of the transverse side walls 34 as the outer contour of the longitudinal side walls 35 is also determined in each case by a tool part 36 or 37 designed as a side jaw.
  • the tool parts 36 and 37 are moved horizontally or parallel to the plane of the bottom 2 against the direction of the arrows 38 and 39 and moved apart in the direction of these arrows 38 and 39 to open the entire tool .
  • the tool part 36 is provided with three comb-like core pieces 40, between which there are spacing gaps 41 which serve to shape the webs 6 below the flat baseboards 5, which extend parallel to the transverse side edges 4b of the base 2 .
  • the core pieces 40 determine the formation of the pocket-like free spaces 7 between the shaped webs 16 and the base 2 and the flat baseboard 5.
  • On the tool part 37 there are four core pieces 42 next to one another in the manner of a comb, as well as two outer end core pieces 43 with rounded portions 44 on their outer upper edges.
  • the core pieces and, on the other hand, the end core pieces 43 are again separated from one another by spacing gaps 45.
  • the core pieces 42 and the end core pieces 43 defines the pocket-like free spaces 7 in the region of the longitudinal side edges 4a of the base.
  • the roundings 44 on the end core pieces 43 ensure that the skid-like curved inner contour of the end sections 9 or sections or end webs 10 is formed on the flat baseboards 5.
  • a tool can be used which works with four identical tool parts 46 designed as horizontally movable side jaws.
  • tool parts 46 designed as horizontally movable side jaws.
  • Each of these tool parts 46 is equipped with two comb-like horizontally projecting core pieces 47 and an end core piece 48 is provided on each side thereof.
  • the bevels 49 and roundings 50 of two tool parts 46 working together in a corner area additionally work in this corner area with a core shape 51 which can be moved diagonally below the base 2, in order to allow them to move between them
  • Tool parts 46 and 51 on the one hand, form the rounding sections or end webs 10, which are curved like an upward curve and at the same time arcuate around the corner region, and, on the other hand, the stiffening ribs 16 adjoining them.
  • the arrows shown in FIG. 7 indicate on the one hand how the tool parts 46 are moved apart horizontally to open the entire tool and on the other hand the additional core shapes 51 have to be moved diagonally towards one another for the same purpose.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Ceramic Engineering (AREA)
  • Pallets (AREA)
  • Details Of Rigid Or Semi-Rigid Containers (AREA)

Abstract

Un porte-charges (1) en matière plastique, notamment une caisse ou un conteneur d'entreposage et de transport, ainsi qu'une palette ou un plateau, comprend un fond (2) ayant une surface supérieure plate et une surface inférieure stabilisée par des côtes de renforcement (3). Des arêtes plates de support (5) s'étendent le long d'au moins deux bords de délimitation (4) mutuellement parallèles du fond (2), dans la direction du plan qui définit le fond. Ces arêtes (5) sont soutenues par des bandes (6) transversales au bord correspondant de délimitation (4), avec un certain écartement en-dessous du plan qui définit le fond. Les arêtes de support (5) définissent des surfaces d'appui du porte-charges (1). Des espaces libres (7, 7a) formant des poches entre le côté inférieur (2a) du fond, le côté supérieur des arêtes de support et les bandes transversales (6) sont ouverts au moins du côté du bord de délimitation (4). L'utilisation dynamique et simple de ces porte-charges (1) est améliorée, étant donné que les sections terminales (9) des arêtes plates de support (5) sont formées de pièces (10) recourbées vers le haut, transversalement par rapport à leur longueur, à la manière de patins, jusqu'au côté inférieur (2a) du fond, ces pièces (10) étant rigidement reliées (11) au fond (2) et formant en même temps une bande terminale qui sert à délimiter un espace libre formant une poche.
EP91919438A 1990-11-14 1991-11-08 Porte-charges en matiere plastique et outil de fabrication du porte-charges Withdrawn EP0510148A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4036178A DE4036178A1 (de) 1990-11-14 1990-11-14 Aus kunststoff hergestellter lager- und transportkasten
DE4036178 1990-11-14

Publications (1)

Publication Number Publication Date
EP0510148A1 true EP0510148A1 (fr) 1992-10-28

Family

ID=6418207

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91919438A Withdrawn EP0510148A1 (fr) 1990-11-14 1991-11-08 Porte-charges en matiere plastique et outil de fabrication du porte-charges

Country Status (5)

Country Link
US (1) US5287970A (fr)
EP (1) EP0510148A1 (fr)
CA (1) CA2073757A1 (fr)
DE (1) DE4036178A1 (fr)
WO (1) WO1992008650A1 (fr)

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DE4036178A1 (de) 1992-05-21
US5287970A (en) 1994-02-22
WO1992008650A1 (fr) 1992-05-29
CA2073757A1 (fr) 1992-05-15

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