WO2006000657A1 - Handling pallet which can be assembled locally with self-locking supports and detachable soles - Google Patents

Abstract

A device for creating handling pallets which can be assembled locally, comprising folding strips (1) which create hollow parts (4) and individual planar surfaces (3) which are fixed underneath a bare plate (5) or a plate with flaps (54). The folding hollow parts provide housings and are folded (7) underneath the plate with a minimum thickness or are deployed (6) in order to receive supports (37) which are provided with hollow bodies (36) and which are self-lockable and self- locking in the T-shaped elongated holes (38) which are cut out of the vertical surfaces of the housings. Slats which can be inserted into the housings, on the supports as reinforcing side members (39a) or underneath as soles (39) confer upon said device the faculty, when the latter are longer, with locking flaps at each end, of fastening it without the accessories between the lower flaps (48 and 49) of a cardboard or other container.

Description

 On-site assembly type pallet with self-locking brackets and removable insoles.

DESCRIPΗF

The present invention relates to a device with several variants for producing pallets or handling pallet elements, available flat, type assembled on site, with removable but self-locking supports, also removable soles, removable, recyclable and can be manufactured in any cardboard-type company equipped with common cutting and joining equipment for cardboard, corrugated or compact, or cellular plastic or other. In use with a container, a variant allows the self-locking device under the latter, to obtain monomaterial sets. There are already many models of pallets handling various material, various structures, with full or perforated trays, with two or four entrances, with longitudinal or lateral soles or perimeter, or without, reversible or not, and many dimensions but mainly raw and wet wood without phytosanitary treatment. With the development of intercontinental trade in goods and new regulations that accompany them, new types of pallet handling have emerged on the one hand to gain weight in transport, especially air transport, on the other hand to be in compliance with the sanitary regulations of the importing countries and the obligations of recovery and recycling of packaging, monomaterial if possible to avoid selective sorting. Several new pallet models have been studied by Cartonnerie and the plastics industry to replace pallets made of raw wood, loaded with moisture, untreated and not meeting these recommendations and guidelines. It is also necessary to take into consideration the concepts of ecodesign tending to limit as much as possible the weight of material used, recycled if possible, to produce pallets or packaging and their empty volume to minimize transport and logistics costs as packaging. only, new or used, in subcontracting and mass retailing mainly. Among the existing models, many are simply composed of a plate, rarely provided with crosspieces, acting as the upper plate of the pallet under which are fixed directly or in small sleeves various supports; either sections of cardboard tubes, honeycombed cardboard blocks, or laminated or other cardboard boards, which are not removable and often have no soles, which are nevertheless essential for stacking and moving on roller conveyors and rarely with four Inputs- Some other existing models are made from large sheets of cardboard, for example, cut, with several successive ups and downs, to fold on themselves and constitute a plateau with solid or hollow rafters below or sheaths in which will be glued various supports. On the other hand, assembled at the Manufacturer, these pallets are delivered in volume even if they are stacked, nested like wooden pallets and generate significant handling, transport and storage costs. The majority of these new models were therefore studied to limit the tare under the goods transported, to use materials complying with international sanitary standards, to reuse a maximum of recycled materials, and in plastics, to consume regenerated products mainly from grinding. 'Plastic elements of the Automobile. The present invention therefore takes into account all these criteria by proposing a new device with several variants bringing in manufacturing significant productivity gains and a significant reduction in logistics costs as a pallet handling alone or supporting a container. To illustrate the invention, a series of Figures numbered from 1 to 50 represent the various elements of the device and its variants and we see in Figure 1 page 1/13 thin strips (1) of rigid material but foldable provided at least four perpendicular folds (2), parallel, spaced, to create after folding flat surfaces (3) and recessed portions (4) parallelepiped or cubic in any size and quantity which will then be positioned in a template in hollow embracing these same forms. According to Figure 2 same page, a plate (5), solid or cellular or other material, fixed on the flat surfaces of the strips, constitutes the plate of a four-way pallet with its deployed housing (6) or folded (7) below. Supports in any material, pads self-adhesive or not, the shape and dimensions of the unfolded housing (6), can then be inserted into them to ensure their resistance and withstand the pressure of a palletized load without inadvertent folding of housing. The folded housing (7) under the plate (5) according to Figure 3 same page then represent one of the characteristic elements of the device: tray and housing folded in a minimum thickness for delivery flat. The flat surfaces of the strips (3), made of corrugated cardboard or cellular plastic for example, having been fixed grooves (8) in the opposite direction to those of the plate (5), then constitute bending reinforcing ties of the assembly. Another variant of the device comprises according to Figure 4 page 2/13 longer strips (9) with complementary folds (10) and cutouts in the form of lights (11) on the faces which will become after folding and according to FIG. vertical faces of the housing (6). According to same Figure the device can be reinforced with a plate protruding at its two ends with upsetting (12) to obtain two short flaps (13) can be folded and be fixed on the parts of the strips (9) folded and secured on top of the plaque. A raw compensation plate (14) fixed between the flaps (13) then constitutes a double plate improving the rigidity and strength of this floor. According to FIG. 6, same page, the plate (14) can be replaced by a plate with upward flaps (15) constituting a holding angle, banding straps and protection at the base of the assembly. A similar plate with its flaps down, positioned on top of a full load if needed the protection to the strapping. In order to provide the device with its pallet function, removable two-piece brace type supports, made of rigid but foldable material, comprise, according to FIG. 7, page 3/12, a small strip (16) of height equal to the internal height of the housing, with seven vertical upsets (17) and three notches (18) at mid-high overlapping the first, fourth, seventh recess and width equal to the thickness of the material used. In addition, a small plate (19) of width slightly greater than the outer width of the supports and of the same height as the strip (16) is provided with two spaced notches, at half height also, one identical to the previous ones and 1 other double width (20). According to Figure 8 same page, the strip (16), vertical splines, folds to form according to Figure 9 a belt with three notches (18) facing each other. In Figure 10, the small plate (19), turned up is positioned vertically in the notches to create as shown in Figure 11 a hollow support (22) comprising two compartments (21) with a rigid central spacer support (19) giving it excellent resistance to vertical compression, even with corrugated cardboard for example, whose grooves (8) are in the vertical direction. Due to its particular design, the support is slightly deformed at manual pressure, its shape elongates and its inclined width sides (23) allow the introduction of the support in an unfolded housing as shown in Figure 12 same page. When the support (22) has integrated its housing, the pressure being released, it resumes its first shape and the two slightly flexible vertical ends of the spacer (19) are wedged in the slots (11) of the housing faces and lock this self-locking type support. As indicated on page 2, line 16, strips (1) may comprise any number of housings (6) and, as shown in FIG. 13, page 4/13, a two-strip pallet and four housings (6) for carriers are shown. (22) under the four corners of the tray. In order to allow easier handling on these pallets of small sizes, the housing strips can be fixed in a varied manner and it is noted in Figure 14 that one of the two strips is attached parallel to the other, to a certain distance from the end of the plate side length, to allow the passage of the two forks of a handling means (24) without affecting the stability of the device. In the same page, it can be seen that the lengths of the planar portions (3) of the housing strips have been modified so that the recesses (6) are shifted towards the inside of the tray in order to be able to pass the two forks ( 24) of a forklift, for example, in this sense. With housing strips modified as in the previous Figure we see in Figure 16 that the latter were set back on the side length and side width and in fact, the two forks of the handling means (24) can be introduced under the tray by all the entries created. To contain the same removable supports, FIG. 17, same page, shows a variant of the housings that can be made with a plate (25) provided with at least four longitudinal ups and downs (26) (a, b, c, d) delimiting five sides (e , f, g, h, i), four cut-out lights (11) and two recessed portions (27) on the sides (f and h) so as to constitute as in Figure 18 a case (28) with two sides (i and e ) joined at its base (29). After unfolding, on each side of the recessed portions (27), a housing (6) with a slot (11) on each vertical face can receive a support (22) under the same conditions as described lines 9 to 15 same page. Self-adhesive or non-self-adhering case to be fixed under a tray or under a box with any bottom, to constitute a device then resting on a base (29), of double-skinned soles type in this case, the side (i) being fixed on ( e), attached to both dwellings. Another type of removable and self-locking support obtained by folding, of a single piece cut and repressed is shown in Figure 19 page 5/13. It can be seen that a strip (30) made of corrugated cardboard with vertical splines (31) for example, has been provided with seven vertical upslots (32) to obtain eight sides (k-1-mnopqr) of a central notch (33). ), vertical, at mid-upper height, two protruding tongues and folds (34) and a lower half-height cut with recesses (35) at each end of the strip, on the sides (g and n). According to the three explanatory drawings of FIG. 20, same page, the seven vertical upscreases make it possible to fold two hollow compartments (36) with four sides each and to lock the recesses (35) in the central notch (26). thus creating a double thickness in the center of the support (37). We also note that the sides (k and r) have a length (L) slightly greater than the outer width (1) of the support constituted and we also see that the two tabs (34) bent outward also overflow the support. In Figure 21 same page, shown in more detail, we see that the sides (1 and q) of the support each have a smaller dimension than the opposite faces (n and o) which allows to give the support a characteristic shape with two central faces (k and r) spaced apart to create a triangle and two irregular trapezoidal hollow bodies (36). In order to receive this type of support, adapted housings are obtained from foldable strips (1a) each comprising, in this specific case, as indicated in FIG. 22, page 6/13, spaced series of four upsets (2) and lights cut-outs in the form of T (38) on horseback and in the middle of the first, fourth, fifth, eighth, ninth, twelfth push-ups and in the center, at the upper middle of the second, fourth, fifth, seventh, eighth and tenth sides for a device with three housings (6a) for example. The same principle being applicable on any width of bands with any amount of housing. On the same page, an embodiment shows Figure 23 same page, a schematic plate (5) fixed on a strip (la) to an extended housing (6a) on which we notice the cutouts T (38) on each side vertical housing. It also shows the mounted support (37) with its unfolded flanged tabs (34), the sides (k and r) locked in central notch (33) and slightly protruding from the latter. To allow easy placement of the support in the housing whose internal dimensions are equal to the outer dimensions of the support (37), Figure 24 page 7/13 shows that the latter is also slightly deformable and that a manual pressure allows give it a more elongated shape so less wide, allowing entry into the housing. After releasing the pressure, the support returns to its normal width and the tongues and projecting sides can be stalled in their respective lights as shown, seen from above, in Figure 25 same page where we see that the tabs (34) of the support have integrated the longitudinal cut of the T (38) with lock lengthwise and that the ends of the sides (k and r) are introduced into the vertical cut of the T for blocking. Note also that there is no particular sense to introduce the support in its housing since the T-cuts are symmetrical. To allow the device to have sufficient seating on the floor or during stacking, removable soles complete the device and Figure 26 page 8/13 shows a flat and rigid slat (39) of any material, for example compact cardboard or another, of a width equal to that of the housings used, of any thickness, of a length equal to that of the device formed. Figure 27 same page, we see another slat or a strip with a cut and slittée portion (40), if it is corrugated board for example, folded and glued, creating a sole with a partial complementary thickness (41) and whose length is equal to the distance between two dwellings deployed for example. Another strip with two cut portions (40) and slittées constituting a sole (42) adapted for a three-slot device as shown in Figure 28 same page, for example. Note that the double thickness of the insoles (42) introduced into housing well in line, represents a compensation thickness between the housing (6a) and a longitudinal stop system (45) for these soles which are trapped in the housing under the supports (37), of adapted heights, keeping them under pressure. It is also seen that the device allows to receive flat slats (39) as soles and that similar complementary slats can be positioned above the supports (37) as reinforcing beams (39a) under the plate (5). In addition to these parallel soles, the device may be provided with other perpendicular soles to form a perimeter support base and increase the bearing surface of the device. In Figure 29 page 9/13 it is noted that a strip for three housings (la) for example, has been provided by cutouts of several complementary lights (43) contiguous with the second, third, sixth, seventh, tenth, eleventh upsets ( 2), to lie, according to Figure 30 at the base of the vertical faces of the deployed housing (6a), horizontally, at a small distance from the end thereof, and the width and thickness of the perpendicular soles (44). ). The other drawing on the same figure showing a sole passing through the base of a housing of a band having two in this case presented by way of example. To illustrate the device completed in Figure 31, same page, shows a pallet equipped for example, three strips with three housings (6a), three longitudinal insoles (42) of suitable length, two lateral soles (44) having passed through the lights (43) at the base of the housings (6a) and compressed by the supports (37). Note that the soles (42) will actually abut (46) at each of their ends against a edge of the side flanges (44) which will keep the four corners of the device squared and avoid the possible diamond deformation of the together. In order to provide the device with a complementary application, adapted housing strips allow the device to be self-adhesive under a container with lower flaps, cardboard for example or other. To better specify the system we see Figure 32 page 10/13 strips (la) for example, longer at each end, provided with several complementary upsets (2a) allowing after folding to obtain two end tabs (47) on bands in two or three housings as specified in Figure 33. In Figure 34 same page, a completed device shows, seen from below, two strips (la) integral with a plate (5), six supports (37) installed in six deployed housing (6a) for example and the tabs (47) of the strips protruding from the plate. The application is shown in Figure 35 on the same page, where we see a flap container under, in the inverted position. The outer flaps (48) of the container ajar, the plate (5) of the device is positioned on the latter and the projecting ends (47) of the strips can then be folded under these outer flaps (48). Reclosed, the latter then compress the ends of these strips (47) against the inner flaps (49) of the container where they are held. Device characterized in that it is thus hooked under the container without tools or accessories by its own means. Another adaptation allows a similar application for the attachment of the device under a flap container below but characterized in this case, in that it is the ends of the soles which are housed between the flaps of the container. Figure 36 on page 11/13 shows a longer sole (50), with a rough part of the length of the device, provided at each end with several perpendicular projections (51) to create foldable legs (52) which can, according to Figure 37 same page, after placing the sole in its housing, under the supports, be folded up and folded over the plate of the device. FIG. 38, same page, shows this new application being hooked up under a container with lower flaps and it can be seen that the ends of the flanges (52) are introduced under the outer flaps (48) of the container, slightly ajar for this surgery. As soon as they are closed, the outer flaps of the container ensure by their own pressure on the inner flaps (49), the maintenance of the six ends of three soles for example and even more so when the container is loaded. The same system being adaptable to devices with any number of soles and for containers of various dimensions as shown in Figure 39 same page. Another variant allows the device to receive as a top plate, a glued wedge type flap tray (53), instead of a raw plate (5), in order to form according to Figure 40 page 12/13 a set whose flaps (54) are folded completely flat as also foldable housing (7) fixed and folded below this tray, to create a device characterized in that it is a kit of minimal thickness. In Figure 41 we see the device being unfolded and once fully deployed as in Figure 42 same page, the housing (6a) for example, can then receive the supports (37) with soles (42) or not, and build the palette. The flaps (54) rising from the tray then creating a tray for receiving any body (55), without lower flaps in this case, display or not, cardboard or other and in various dimensions as for example in Figure 43 same page or a small-format device with staggered housing strips, as shown in Figure 15 on page 4/13, is shown for handling with a forklift. For the production of a device of the same type, that is to say with supports and removable insoles in folding housings another variant described page 13/13 Figure 44 shows a plate (25a) cardboard or other with at least four longitudinal upsets (abcd), spaced and parallel delimiting five sides (e, f, g, h, i,) with lights cut in T (38) straddling the ups and downs (b and c) and on the second and fourth sides. Perpendicular incisions (56) made between the ups and downs (a and b) and (c and d) as well as a section (57) between these incisions on the ups and downs (a and d) make it possible to obtain two shutters (58). ) of which one with a complementary longitudinal upset (59) allowing it to fall back on its opposite. In Figure 45 same page it is noted that the side (i) was fixed on the side (e) by gluing, or other, thus obtaining a holster (60) flat but unfoldable as in Figure 46 where the It can be seen that the deployed case shows two housings (6b) with symmetrical T-shaped lights (38) on its vertical faces. We also see that the two flaps (58) fold over the upper face formed between the ups and downs (b and c) in a double thickness. A shoulder (61) is then created on the upper face of each housing. On the other hand, the sides (i) and (e) fixed together, located at the base of the case, create a double-thick sole (62) rigid with the grooves (8) of the material in the lengthwise direction. In the same page 47, there is shown a plate (63) of the length of the case (60) with, at each of its two ends lengthwise, in this example, a double return (64) repressed or slitté of same dimension as the length of the dwellings (6b). Note also that the grooves (8) of the plate (63) made of corrugated cardboard, for example, are in the opposite direction to those of the case to obtain a high resistance to bending of the tray. In Figure 48 it is seen that the plate (63) has been fixed on the flaps (58) folded on the top of the cases (60) and that its returns (64) have been glued, for example, in the shoulders (61) on the housing (6b) in order to achieve a reinforced plate, shouldered frame type, with its housing (7b) folded below. Then, as shown in Figure 49, after introduction of the supports (37) self-locking in the deployed housing (6b), this variant of the device is realized and can include for small formats for example, two-slot cases (60), offset widthwise, or for larger models of three-slot cases as shown in Figure (50) in any quantity and dimensions. This variant may also be hookable under a flap container if it is provided with extended soles (50) foldable legs (52) as already shown in Figure 36, 37, 38, 39 page 11/13 to show this system. A multi-variant device has thus been designed that makes it possible to obtain handling pallets or pallet elements, multi or mono-material of the assembled or dismountable type on site without accessories, with independent, self-locking and self-locking supports, removable soles, insertable under or on the latter, in folding housing solidarity ties attached under the pallet tray, with ability to hook the device under a container with flaps from below, for example cardboard or other and all elements are available flat. .

Claims

1 - Multi or monomaterial device for producing elements or pallets of handling, type assembled or dismountable in situ, characterized in that it comprises strips (1) rigid but foldable, with flat portions (3) integral with a bare plate (5) or with flaps of the glued-wedge type (53) and intermittent recessed portions (4) obtained by folding, self-locking, self-locking (22) or 37), longitudinal and lateral flanges (39) (44) single or self-locking (40) insertable in the housing under the supports: strips (la) or soles (50) with folding end brackets (47) or (52) allowing the device to be tied down, without accessories between the lower flaps (48 and 49) of a container. 2 - Device according to claim 1 characterized in that the plane portions (3) of the strips (1) fixed under the plate (5), grooves (8) inverted, constitute reinforcing cross and the recessed portions (4). , cubic or parallelepipedic, of any size and in any quantity, create unfolding (6) or folding (7) housings completely under this bare plate (5) or with flaps (15) or with glued corners (53) in a thickness minimal. Characterized in that the foldable housing comprises on their vertical faces vertical rectangular lights (11) or vertical T (38), overlapping with its horizontal bar the top horizontal fold of the housing. 4 - Device according to claims 1 to 3, characterized in that the supports, the inner height of the housing, made from a platelet repressed and notched in one piece (30) or two pieces (16) with a spacer vertical (19) crosswise manner, comprise two hollow compartments and a vertical central portion projecting laterally or with locking lateral tabs (34) on an opposite side. Holders with regular trapezoidal (21) or irregular (36) trapezoidal bodies, slightly deformable at the manual pressure and making it possible to conform them to facilitate their entry into the deployed housings (6 or 6a) and to block them by the entry of their projecting central part and their tongues, respectively in the vertical lights (11 or 38) and in the flat part of the T (38). 5 - Device according to the preceding claims, characterized in that flat rigid slats (39) or provided with extra thickness at intervals (40), inserted into jings in line (6 or 6a) under supports (22 or 37) of suitable height is soles in abutment (45) between the base of the housing or single soles (39) if they are flat and may also constitute reinforcing beams (39 a) between the top of the supports and the lower face of the upper plate. Removable soles or longitudinal members in each case, as soon as the supports are removed from their homes. 6 - Device according to the preceding claim characterized in that other lights (43) are cut on the strips (1) to create on the vertical faces housing (6a), for example, deployed, and at their bases, longitudinally, to small distance from their ends, openings (43) of width and height equal to those of soles provided; in this case. With flanges (42) of suitable length, in place longitudinally in their housings and laterally traversing flanges (44), the housings are provided with a perimeter-based device 7 - Device according to claims 1 to 5, characterized in that the housing strips (la) longer at each end (47) with complementary perpendicular extrusions (2a) on these parts are foldable legs strips above the device and allow, without accessories, its hooking between the outer flaps (48) and inner (49) of a container. 8 - Device according to claims 1, 5,6, characterized in that longer soles (50), on each side that the base of the device, have on its projecting parts a series of several upsets (51) for folding the tabs (52) formed above the device and insert between the outer flaps (48) and inner (49) of a container to secure the latter to the device or to separate by reverse manipulation. 9 - Device according to claims 1, 3, 4, 8 characterized in that a plate (25a) provided with four cutouts T (38), four longitudinal upslots (a, b, c, d), delimiting five sides (e, f, g, h, i,) two longitudinal sections (57), four lateral sections (56) to create two foldable flaps (58) and that after joining the face (e) on the face (a) a flat case (60) is formed which, in the deployed position, shows two housings (6b) with a T-shaped light on each vertical face and a central lateral opening of the length of the two flaps (58). Shutters folded over the face (c) of the case by forming a double thickness with respect to the upper face of the housing and creating two shoulders (61) above the latter where can be fixed the bottom flaps (64). ) a plate (63) constituting the sleepers of the reinforced device plate and thus framed laterally and longitudinally with the double thickness constituted by the flaps (58). The same embodiment is applicable for cases with three housings (65) or more. Cases (60), for example two or more, staggered or not, two or three housings (65) or more, in any quality and dimensions, folded flat under a tray, in a minimum volume, can then be deployed to receive supports (37) and soles (39) with hooking tabs (52) to a container, if necessary, complementary application of the basic principle of the invention.