CN1649776A

CN1649776A - Corrugated cardboard pallets and improvements in and relating to corrugated cardboard pallets

Info

Publication number: CN1649776A
Application number: CNA038096757A
Authority: CN
Inventors: 斯蒂芬·马尔卡希; 伊恩·赖利
Original assignee: Individual
Current assignee: Individual
Priority date: 2002-03-26
Filing date: 2003-03-10
Publication date: 2005-08-03
Anticipated expiration: 2023-03-10
Also published as: EP1494928A1; PT1494928E; RU2323863C2; ES2259142T3; US20050155527A1; WO2003082685A1; DE60305466D1; EP1490269A1; CN1329252C; CN100455488C; RU2004131639A; CA2480698A1; CN1649774A; DE60305466T2; CA2480849A1; US20060032898A1; RU2343093C2; AU2003209484A1; RU2004131640A; EP1490269B1

Abstract

A corrugated cardboard pallet comprising a top sheet (28), a base sheet (29) and at least one connecting member (30-38) between said top and said base sheets, the connecting member being moveable to shift the pallet between a relatively flat and a relatively erect form. Each connecting member comprises two substantially parallel opposing main body panels (18, 20) and two pairs of opposing side walls (X, Y) wherein each of one pair of opposing side walls are formed from two interlocking parts (11, 14, 22, 25).

Description

Corrugated cardboard pallet and associated improvement

Technical field

The present invention relates to the improvement in corrugated cardboard pallet.

Background technology

Tray is all using every day, and is made by timber, polyethylene, plastics or metal usually.These trays can be general size, and for example those are used in the size in retail and the odd lot manufacture, and perhaps they can be made and be used for specific purposes.Their main application is safety storing large numbers of items or product and permission these article of mechanical control or product in manufacturing cell.These trays also as transportation unit, often flow to retail channel by self-propelled vehicle.Also have, at the retail channel place, these trays of mechanical control and they are deposited before flowing to each shop.Use this tray to come these article or product directly to be illustrated on the shop floor then with the form of marketing unit.

Tray generally has high productive costs, and exists in the systems of pallet that suitable place is rented.Also can these trays of second-hand purchase, but cost still is higher, and may be polluted easily.They are huger and have the height and the size of standard usually, thereby maker and retailer's storage system can be compatible.Be difficult to manual handling thereby wooden pallets is heavy, and because often having several article or product tray to overlap the to each other deposits, so increased an article of depositing and transporting or the crushing weight of product.Its weight of study plot wooden pallets is generally 25Kg and 50Kg.This means, be difficult to manual handling and this weight and can damage article or the product that is placed with tray on it.So this tray is because its inherent weight traffic cost is also higher.

The tray that can reuse can followingly be operated usually.The for example box-packed dried food and nuts of product is organized and is stacked on the standard wooden pallets.People can be placed in a tray top of this stacked pallet then, and continue arrangement and lay more box-packed product on its top.According to the product that is adopted on each tray how many layers are arranged, folding that each is independent can comprise several trays.Usually this laminates is covered in stretch wrappers then, carry out power operation by manual pump truck or mechanical forklift subsequently and to be placed to unit in the storage space to form.After a period of time, the retailer sorts product, and this unit is loaded onto on the transport vehicle.At retailer's place, warehouse, this unit is unloaded and deposits a period of time.Then, be loaded into it on another vehicle and flow to retail shop, can directly it be deposited or be placed on the shop floor there for sale.

The problem of aforesaid operations is that maker can not reclaim tray.This cost for maker is too high, and finally involves the customer.Use these products or article from this tray after, the retailer must dispose this huge and heavy wooden pallets.Disposing this tray needs expensive transportation, and because most of trays landfill the most at last, so too high to the cost of environment.Estimation everyone present nearly 5 wooden pallets in The British Isles.

If the employing hire system, then tray must be rented by maker.Need to follow the tracks of these trays, this not only needs to work in a large number but also with high costs.Tray is deposited with the retailer there then.The retailer may have the empty tray that a collection of needs return to maker, sends back to maker thereby need the money empty tray that these are huge, heavy of cost oneself to load onto automobile.Maker also is necessary for the tray defrayment of separating rent, and if lost one, then will be necessary for its payment full payment.The tray that is returned can be hired out in repetitive cycling once more.The repeated usage tray also can cause the problem that cleans and keep in repair.Wooden pallets is combined with nail usually, and these nails may expose and damage article or the product that is placed on above them.In addition, wooden pallets can produce big or little fragment, and these fragments can damage product or even enter and pollute this product, especially food.

The calibrated altitude of most of trays is generally about 160mm, and this shows at vehicle for example can carry on the screen-type vehicle body slide plate for how many products.Wooden pallets is heavy, and may double in weight when humidity, thereby makes that manual operation is dangerous.

Summary of the invention

One object of the present invention is to provide a kind of improved corrugated cardboard pallet, is used for overcoming or alleviates above-mentioned defective at least.

A further object of the present invention is to provide a kind of manufacture method that is used for the production corrugated cardboard pallet.

Therefore, a first aspect of the present invention provides a kind of corrugated cardboard pallet, this tray comprises a top board, a base plate and at least one link between described top board and base plate, described link can move, so that this tray is changed between the form of flat relatively form and setting relatively.

Preferably provide the tray that can be adjusted to erect form from flat form by many links that are fixed between top board and the base plate.Each parts for example constitutes and can move to upright state from flattening or folded state.More preferably, each link adopts the form of corrugated cardboard support, and it comprises two substantially parallel relative main boards and two pairs of opposing sidewalls, and each in the wherein a pair of opposing sidewalls is formed by two interlocking portions.

A pair of wherein each opposing sidewalls that all is made of two interlocking portions is set, makes assembled strut member to move to upright state from folded state.In folding or collapsed state, two parts of each wall are thrown off so that each part can lie low on its connecting wall or plate.In upright state, two parts of each wall become and lock mutually, and substantially perpendicularly launch with its connecting wall or plate.

Preferably, be provided for constructing the corrugated cardboard blank of each strut member, this blank comprises that at least two main bodys form plate, intermediate plate and at least one end flaps between described main body formation plate, each main body forms plate and intermediate plate has the opposing side flaps sheet, and each flank sheet of main board is provided with a recess.

It being understood that by with the suitable partially folded of blank and adopt suitable means, most preferably be adhesive agent and fasten them together, thereby assemble out strut member with this blank.The flank sheet of mainboard is fixed on the flank sheet of intermediate plate, and end flaps is folded and fixed on the mainboard.But the flank sheet of main board does not interfix.

In each flank sheet of each main body formation plate, recess is set, makes the flank sheet of main board when the blank assembling is erect box to form, to engage, form the box of a double-enclosure thus with the adjacent side flap of another main board.Before these fins engaged, this box was in flat form.This makes this blank can be assembled into the box that can present folding or erection state.

The opposite side fin of each main board is preferably symmetrical.The adjacent side flap of adjacent body plate is preferably identical.

Preferably, end flaps is located at the place, end that each main body forms plate.More preferably, in these end flaps is provided with the flank sheet.On each flank sheet of main board, preferably be provided with a tab, be used for being connected to the flank sheet and the intermediate plate of end flaps at the box that is constituted.

Each tab preferably is located at the far-end of the notched region of each flank sheet.Preferably, between each tab flank sheet adjacent, be provided with a line of weakness with it.

Each flank sheet, intermediate plate and/or the end flaps of main body formation plate preferably is provided with the relative bight of a rectangular basically bight and a butt.Being located at each tab that main body forms on the flank sheet of plate preferably extends from the truncated end portion of flank sheet.

Preferably, along the longitudinal direction of blank, promptly be formed with groove to another, because can improve the intensity of the box that forms by this blank like this and give intensity for thus this tray from an end flaps.

The mainboard of strut member and wall can be any desired size.

Preferably, at least four foregoing strut members are set to form tray between top board and base plate, these strut members are chosen as different sizes.More preferably, 9 to 12 strut members are set, but definite quantity depends on the size of tray and the size of strut member, therefore, the strut member of any amount can be set arbitrarily.

These strut members are arranged to be provided at tray stable in its erect form, thereby have the gap between adjacent strut members, thereby provide side access points for this tray.Strut member can be located at the place, each bight of these plates, and a strut member is located at middle position between the corner supports along its every side, and another strut member is located at the centre between these plates.Preferably, the strut member that is located at central authorities is a size maximum support part, and is located at the strut member size minimum at place, bight.

Base plate preferably be provided with do not have material the zone so that the access site below tray to be provided.Preferably, 2 to 4 rectangular areas do not have material.But, the access site of any suitable number can be set in tray, they run through base plate and form and/or formed by the interval between the adjacent strut members that is located between the tray plate.

In a preferred embodiment of the invention, the constituent elements of tray just by adhesive securement together.Can give top board, base plate and/or strut member japanning with imparting water repellency.

Optionally, at least one block of extra plate, for example cross-ply flaggy can be pressed on top board and/or the base plate to improve the intensity of tray.Preferably, the groove of this extra plate becomes 90 degree with respect to the direction of groove on its applied plate.

A fourth aspect of the present invention provides a kind of method of making corrugated cardboard pallet, and this method may further comprise the steps: top board is passed along feedway; At least one link is transported on the top board; And base plate is fixed on the link.

Preferably, before being transported to link on the top board, lining cement is coated on the link.Preferably, link can move between flattening and upright state, and is applied on the top board in its collapsed state.

In general, will be transported to diverse location on the top board to a plurality of links.Preferably, transfer out different links from hopper.

Brief description of drawings

How implementing in order to understand the present invention better and to clearly show it more, will be by way of example with reference to the following drawings, wherein now:

Fig. 1 is the planar view of the blank that is used for the double-enclosure box according to an embodiment of the invention;

The transparent view according to of the present invention setting double-enclosure box of Fig. 2 for assembling out with the blank shown in Fig. 1;

Fig. 3 demonstrates its folded form at the transparent view of the double-enclosure box shown in Fig. 2;

Fig. 4 is the planar view at the top of tray according to an embodiment of the invention;

Fig. 5 is the planar view of the bottom of tray according to an embodiment of the invention;

Fig. 6 is for utilizing the transparent view of the tray of assembling out in the part shown in Fig. 1 to 3,4 and 5 according to an embodiment of the invention;

Fig. 7 is the view below the tray top, demonstrates the position of these dual sealing boxes;

Fig. 8 is the schematic plan view that is used to assemble the equipment of tray according to an embodiment of the invention; And

Fig. 9 is the perspective schematic view at the equipment shown in Fig. 8, demonstrates from the double-enclosure box of one type of hopper supply.

The specific embodiment

With reference to the Fig. 1 in these accompanying drawings, this figure demonstrates in order to formation and is used in the planar view of the double-enclosure box construction of the strut member in according to an embodiment of the invention the tray with blank 2.The cutting from a corrugated board of this blank is got off, and crease is inserted in the blank, so that the fold line of being represented by the dotted line in Fig. 1 is provided.Thick long and short dash line is represented folded inverted line.This blank has by two main bodys formation of centre portion 19 bonded assemblys plate 18,20.These two main

bodys form plate

18,20 and are provided with the

end sections

17,21 that faces toward described centre portion 19 respectively.Each main board has from the extended

flank sheet

11,22,14,25 of its every side, and each flank sheet has a recess I.An end of each fin is straight, and is bevelled from another nearest opposed end of recess.Each inclined end portion is provided with a

tab

12,23,15,26.It is straight that centre portion 19 also is provided with 13,24, one ends of flank sheet, and another end is a bevelled.Similarly

flank sheet

16,27 extends out from an end 21, but opposed end 17 does not have fin.

This blank assembling can be formed for the strut member 10 of tray, this strut member comprises two substantially parallel relative main boards (18,20) sidewall (X relative with two couples, Y), in the wherein a pair of opposing sidewalls (Y) each is formed by two interconnecting parts (11,14 and 22,25), thereby make this strut member to move to upright state, shown in Fig. 2 and 3 from folded state.

In order to form box 10, flank sheet 11, the 22 flat main bodys that fold to form on the plate 18, and

tab

12,23 is turned down to lie on the flank sheet.Then glue is coated on these tabs 12,23.Then with respect to centre portion 19 folding these flank sheets 12,24.Form plate 18 with respect to centre portion 19 folding main bodys then, thereby

tab

12,23 is sticked on its adjacent side flap 23,24.Then

flank sheet

14,25 is folded into another main body and form on the plate 20, and

tab

15,26 is turned down to lie on the flank sheet 14,25.Then glue is coated on these tabs, and with

flank sheet

16,27 flat foldings on end sections 21.It is folding that this end sections 21 forms plate 20 with respect to main body now, thereby these

flank sheets

16,27 stick on respectively on its adjacent tab 15,26.At last, glue is coated on the opposed end located in the above 17 with on the outside face that is bonded at another end sections 21, forms the box that assembles 10 as shown in Figure 2.Can adopt multiple spot machinery glue spreader at high speed to realize constructing this box with blank.

As mentioned above, the structure of this box 10 is such, and it can provide with folded form (Fig. 3) or erect form (Fig. 2).Box is assembled into the

flank sheet

11,14,22,25 that its folded form need form main body plate inwardly presses, thereby they are lain on its corresponding plate.The outside face of inside pushing folding boxes is centre portion 19 and end sections 17 especially, force the flank sheet to leave its plate, and these fins locks together by recess I.This formation is difficult to folding again double-enclosure box.

Having been found that at the groove that is provided with in a longitudinal direction C shown in Fig. 1 provides more strong box, therefore makes box can support bigger weight.This is opposite with groove direction set in traditional tile corrugated paper board box.

The direction of groove and two closed ends are set in box make in the box of this setting firm.In the past, box end plate can be opened so that article can be placed in this box.Can be used as strut member according to box of the present invention, for example be used for supporting the showing stand of the items for merchandising of wanting.This box is compared its advantage with the prior art strut member and is, for example can carry and deposits and can recycle with flat form.It also can be made by the material of cheapness.

Preferable use according to box of the present invention is the structure tray, wherein a plurality of boxes is sticked on top board and the base plate so that the tray that can move to upright state from folded state to be provided.Can provide the tray of any required size, and this tray is big more, then will use more box in its structure.

Fig. 4 to 7 of accompanying drawing demonstrates according to a tray of the present invention.This embodiment is made by ten corrugated boards, they as Fig. 1,4 with the same punching out as shown in 5.Filled Rectangle plate 28 is used for forming the top of tray, and the rectangular plate 29 of another piece with substantially the same size be used for forming the bottom of this tray, and this plate has two rectangle parts 40,42 that do not have material.

Nine box 30-38 according to the present invention are adhesive in the downside of top board 28 with folding form, as shown in Figure 7.This figure shows that in detail this tray of sening as an envoy to has the position of nine double-enclosure boxes of compression strength.In the embodiment illustrated, each tray has the box of four kinds of different sizes.The

box

30,32,36,38 of size minimum is located at each bight of tray.Maximum box 34 is located at the middle body of tray.The box 31,37 of another size is located at central position between the corner boxes along two apparent surfaces of tray, and the box 33,35 that also has a kind of size is arranged on central position along two apparent surfaces in addition of tray.Then glue is coated on the plate 20 of these boxes, the base plate 29 with this tray adheres on the box of flattening subsequently.

It should be understood that the box that can use any amount forms this tray.These boxes can be same size or different size.

Can clash into the floor by a edge or this tray be erect, thereby make each box move into its erect form, make tray enter extended configuration suddenly thus by machine with tray.Fig. 6 of accompanying drawing demonstrates the tray that is in its extended configuration.

The orientation of the groove on top board can be any direction, but groove is important with respect to the orientation of box for the reduced overall intensity that tray is provided.These boxes are for example located and are the path that is provided for mechanical forklift along four edges of tray.These boxes also can be positioned to them and always be in correct position to face standard warehouse pushing system.As shown in Figure 6, can the mechanical control fork be set at position A on arbitrary edge of this tray or B place.If adopt the tray loading-unloading vehicle to operate, then wheel rolls on pallet base 29, rises so that seat is pressed on the floor during motion at tray then.

One of being formed by for example cross-ply plate can be fixed on top board and/or the base plate to improve the intensity of tray by extra plate (not shown).The groove of this add-in card is preferably vertical with the groove direction on the plate that has added this add-in card.

Fig. 8 in the accompanying drawing and 9 demonstrates an embodiment that is used for constructing automatically the equipment of tray according to of the present invention.In the embodiment illustrated, tray is made by ten corrugated boards that punched out.Top board 28 is transported on the feedway 100.According to needed strength characteristics, the top board of this tray can be made by the corrugated board that polylith has a wall.Estimate that tray is generally used for the load less than 700Kg, but, can make it to bear heavier weight by changing the every Gram Mass and the groove type of used cardboard.

From hopper 101-104 nine collapsible boxes 10 are supplied on the top board.To these hoppers location, these boxes are arranged in the tram on the plate 28.Each presses the box flat by being contained in the glue spreader wheel 112 in the gum box 110, and is attached to by glue spreader wheel 114 on the bottom surface of top board.Base plate 29 is transported on the top of these boxes 10 to form collapsible tray from cardboard feedway 106 then.Therefore this base plate also can come the assembled article of mechanical control by pump truck for having the corrugated board of the access slit that therefrom cuts out.

These boxes 10 are given the tray load-carrying capacity.As be shown in figures 2 and 3 the same, these boxes are the unique double-enclosure box that has from the erected end.When inwardly pushing the sidepiece of this box, they form the rigid cartridge that can not flatten once more.These boxes also have flexibility to a certain degree, thereby will have attenuation by their oscillating movement.Do not adopt any metal nail, only used glue.When tray was not erect in flat form, this preferred embodiment had only the thickness of about 25mm.On the contrary, when side was erect from the teeth outwards or be pressed together, then this tray became the high tray of 100mm of a rigidity.As in the automatic palletization of the tradition system, this tray can be erect by machinery, perhaps can be easy to manually erect in an action by a surface being impinged upon on the floor.

Mean that without any metal mechanical this tray can not damage or pollutes any products or the article that are placed on wherein.Its weight reduces with respect to the tray of traditional type, can obtain the more products layer when this means transportation.Also can paint or means that other is suitable are handled this cardboard making it waterproof, and can be printed with descriptor or other is decorated, for example the decoration in the store display sales unit.

Provide the tray of making by corrugated board that can between folding and erect form, move to overcome the many difficulties relevant with the tray of prior art type.This tray can be deposited with its flat form, therefore may save 600% storage space than conventional pallet systems.Transportation before using also can be finished under this tray is in situation in its flattening form, this means needed vehicle still less.For example, estimate that identical vehicle can transport 4000 according to tray of the present invention, the conventional wooden pallet of transportation equal number then needs 11 vehicles.Therefore, tray according to the present invention has tangible economy and environmental benefit.In addition, in case erect, then about 100mm height is only arranged, thereby be almost standard wooden pallets height half, but it highly is enough to and can be handled by all standard mechanical devices according to tray of the present invention.Tray according to the present invention relates to and is used for the one way use.Thereby can carry out mechanical control and conveying several times though this tray is enough firm, estimate this tray use and repeated usage after with compacted.In this, this tray is 100% reusable edible.This has saved space and expensive shuttle working.In addition, the production of this tray than the wooden pallets cheapness of other existing type many, thereby reduce cost for the ultimate consumer.

On average, its weight of tray according to the preferred embodiment of the invention is approximately 1-3Kg.On the contrary, its weight of conventional wooden pallet is 25-50Kg.Therefore, can this tray of manual control, and do not worry the health and safety weight limits.This prevents damage of product when obviously also helping in this tray being used in the folded unit of multilayer.It is designed for two-way or four-way enters, and can be handled and need not be changed by manual pallet pump truck or various mechanical forklift.This tray also can so design, thereby it can be placed in safely in the various racking system.

Be that according to another advantage that tray of the present invention had its basic structure design can be used to provide the required tray of arbitrary dimension.By changing the grade of corrugated cardboard adopted, can make this box or tray bear quiescent load up to several tons.

In addition, being designed to be intended for use tray that single uses has reduced product and has been subjected to the danger that this tray pollutes.Wooden pallets need be carried out sootiness sterilization and be crept into insect in the wood with elimination.The single use aspect of this tray has also reduced with the outfit labour to be controlled these trays, clean these trays and deposits and unload the relevant stochastic cost of these trays.

Claims

1. corrugated cardboard pallet, this tray comprises a top board (28), a base plate (29) and at least one link (30-38) between described top board and base plate, described link can move, so that this tray is changed between the form of flat relatively form and setting relatively.

2. corrugated cardboard pallet as claimed in claim 1 wherein, is fixed with a plurality of links (30-38) between top board and base plate (28,29), each component set-up is for moving to upright state from flattening or folded state.

3. corrugated cardboard pallet as claimed in claim 2, wherein, each link (30-38) is the form of strut member (10), it comprise two substantially parallel relative main boards (18,20) and the two pairs of opposing sidewalls (X, Y), in the wherein a pair of opposing sidewalls each is by two interlocking portions (11,14,22,25) form.

4. corrugated cardboard pallet as claimed in claim 3, wherein, each strut member (10) is made of a blank (2), and this blank comprises that two main bodys form plate (18,20), intermediate plate (19) and at least one end flaps (21) between described main body formation plate, each main body forms plate and intermediate plate has opposing side flaps sheet (11,22,14,25,13,24), each flank sheet of main board is provided with a recess (I).

5. corrugated cardboard pallet as claimed in claim 4, wherein, the flank sheet (11 of main board, 22,14,25) be fixed on the flank sheet (13 of intermediate plate, 24) on, and end flaps (21) is folded and fixed on the mainboard, and the flank sheet of main board does not interfix.

6. as claim 4 or 5 described corrugated cardboard pallet, wherein, the opposite side fin of each main board (11 and 22,14 and 25) is symmetrical.

7. as the described corrugated cardboard pallet of claim 4,5 or 6, wherein, the adjacent side flap of adjacent body plate (11 and 14,22 and 25) is identical.

8. as each described corrugated cardboard pallet in the claim 4 to 7, wherein, the place, end that forms plate in each main body is provided with an end flaps (17,21).

9. corrugated cardboard pallet as claimed in claim 1, wherein, one (21) in these end flaps are provided with flank sheet (16,27).

10. corrugated cardboard pallet as claimed in claim 9 wherein, forms each flank sheet (11,14 of plate in main body, 22,25) be provided with a tab (12,15,23,26), be used for being connected the flank sheet and the intermediate fins of end flaps at the strut member that is constituted.

11. corrugated cardboard pallet as claimed in claim 10, wherein, each tab is located at the far-end of the notched region of each flank sheet.

12., wherein, be formed with groove along the longitudinal direction of blank as each described corrugated cardboard pallet in the claim 4 to 11.

13., wherein, at least four strut members are set between top board (28) and base plate (29) as each described corrugated cardboard pallet in the claim 2 to 12.

14. corrugated cardboard pallet as claimed in claim 13 wherein, is provided with 9 to 12 strut members between top board (28) and base plate (29).

15. corrugated cardboard pallet as claimed in claim 14, wherein, described strut member is located at the place, each bight of these plates, and at least one strut member is located at central position between the corner supports along its each side, and another strut member is located at the centre between these plates.

16. corrugated cardboard pallet as claimed in claim 15, wherein, central support is a size maximum support part, and is located at the strut member size minimum at place, bight.

17. as each described corrugated cardboard pallet in the claim of front, wherein, base plate is provided with the zone (40,42) that does not have material, so that provide access site from the tray below.

18. as each described corrugated cardboard pallet in the claim of front, wherein, described base plate (29), top board (28) and link (30-38) all are by adhesive securement together.

19., wherein, give described top board, base plate and/or at least one strut member japanning as each described corrugated cardboard pallet in the claim of front.

20. as each described corrugated cardboard pallet in the claim of front, wherein, at least one block of extra plate is fixed on top board and/or the base plate.

21. corrugated cardboard pallet as claimed in claim 20, wherein, described extra plate is the cross-ply plate.

22. as claim 20 or 21 described corrugated cardboard pallet, wherein, the groove of described extra plate becomes 90 degree with respect to the direction of the groove on its applied plate.

23. a method of making corrugated cardboard pallet, this method may further comprise the steps: top board (28) is passed along feedway (100); At least another link (10) supplies on the top board; And base plate (29) is fixed on the link.

24. method as claimed in claim 23 wherein, was coated to lining cement on the link before supplying to link on the top board.

25. as claim 23 or 24 described methods, wherein, described link can move between flattening and upright state, and is applied on the top board in its collapsed state.

26., wherein, a plurality of links are transported on the diverse location on the top board as claim 23,24 or 25 described methods.

27. method as claimed in claim 26, wherein, described link is supplied with from hopper (101-104).