US20050155527A1 - Corrugated cardboard pallets - Google Patents
Corrugated cardboard pallets Download PDFInfo
- Publication number
- US20050155527A1 US20050155527A1 US10/509,051 US50905105A US2005155527A1 US 20050155527 A1 US20050155527 A1 US 20050155527A1 US 50905105 A US50905105 A US 50905105A US 2005155527 A1 US2005155527 A1 US 2005155527A1
- Authority
- US
- United States
- Prior art keywords
- pallet
- corrugated cardboard
- main body
- sheet
- cardboard pallet
- 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.)
- Abandoned
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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
- B65D5/00—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper
- B65D5/36—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper specially constructed to allow collapsing and re-erecting without disengagement of side or bottom connections
- B65D5/3607—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper specially constructed to allow collapsing and re-erecting without disengagement of side or bottom connections formed by folding or erecting a single blank
- B65D5/3614—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper specially constructed to allow collapsing and re-erecting without disengagement of side or bottom connections formed by folding or erecting a single blank to form a tubular body, at least one of the ends of the body remaining connected
- B65D5/3621—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper specially constructed to allow collapsing and re-erecting without disengagement of side or bottom connections formed by folding or erecting a single blank to form a tubular body, at least one of the ends of the body remaining connected collapsed along two fold lines of the tubular body
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D19/00—Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
- B65D19/0004—Rigid pallets without side walls
- B65D19/0006—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
- B65D19/0012—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 a continuous plane contact surface
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
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- B65D19/00—Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
- B65D19/38—Details or accessories
- B65D19/40—Elements for spacing platforms from supporting surface
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B65D2519/00054—Paper
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B65D2519/00—Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
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- B65D2519/00—Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
- B65D2519/00004—Details relating to pallets
- B65D2519/00258—Overall construction
- B65D2519/00263—Overall construction of the pallet
- B65D2519/00278—Overall construction of the pallet the load supporting surface and the base surface being identical
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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
- B65D2519/00283—Overall construction of the load supporting surface
- B65D2519/00288—Overall construction of the load supporting 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
- B65D2519/00318—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
- B65D2519/00368—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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D2519/00—Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
- B65D2519/00004—Details relating to pallets
- B65D2519/00547—Connections
- B65D2519/00552—Structures connecting the constitutive elements of the pallet to each other, i.e. load supporting surface, base surface and/or separate spacer
- B65D2519/00557—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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D2519/00—Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
- B65D2519/00004—Details relating to pallets
- B65D2519/00547—Connections
- B65D2519/00552—Structures connecting the constitutive elements of the pallet to each other, i.e. load supporting surface, base surface and/or separate spacer
- B65D2519/00557—Structures connecting the constitutive elements of the pallet to each other, i.e. load supporting surface, base surface and/or separate spacer without separate auxiliary elements
- B65D2519/00562—Structures connecting the constitutive elements of the pallet to each other, i.e. load supporting surface, base surface and/or separate spacer without separate auxiliary elements chemical connection, e.g. glued, welded, sealed
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D2519/00—Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
- B65D2519/00004—Details relating to pallets
- B65D2519/00547—Connections
- B65D2519/00552—Structures connecting the constitutive elements of the pallet to each other, i.e. load supporting surface, base surface and/or separate spacer
- B65D2519/00557—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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D2519/00—Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
- B65D2519/00004—Details relating to pallets
- B65D2519/00547—Connections
- B65D2519/00577—Connections structures connecting side walls, including corner posts, to each other
- B65D2519/00582—Connections structures connecting side walls, including corner posts, to each other structures intended to be disassembled, i.e. collapsible or dismountable
- B65D2519/00587—Connections structures connecting side walls, including corner posts, to each other structures intended to be disassembled, i.e. collapsible or dismountable side walls directly connected to each other
- B65D2519/00592—Connections structures connecting side walls, including corner posts, to each other structures intended to be disassembled, i.e. collapsible or dismountable side walls directly connected to each other by means of hinges
- B65D2519/00597—Connections structures connecting side walls, including corner posts, to each other structures intended to be disassembled, i.e. collapsible or dismountable side walls directly connected to each other by means of hinges integrally formed
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- B65D2519/00004—Details relating to pallets
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- B65D2519/0086—Protection against environmental hazards, e.g. humidity, bacteria, fire
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B65D2519/0087—Collapsible, i.e. at least two constitutive elements remaining hingedly connected collapsible pallet
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B65D2519/00004—Details relating to pallets
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- B65D2519/00865—Collapsible, i.e. at least two constitutive elements remaining hingedly connected
- B65D2519/00875—Collapsible, i.e. at least two constitutive elements remaining hingedly connected collapsible side walls
- B65D2519/0091—Collapsible, i.e. at least two constitutive elements remaining hingedly connected collapsible side walls whereby all side walls are hingedly connected to each other
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
- The present invention relates to improvements in corrugated cardboard pallets.
- Pallets are in everyday use and are usually made from wood, polythene, plastic or metal. The pallets may be of a general size, such as those used in the retail and retail goods manufacturing industries, or they may be made for specific applications. Their chief purpose is to safely store goods or product in quantity and allow the goods or product to be mechanically handled within manufacturing units. The pallets also act as shipping units, often via vehicle transport, to the retail outlet. Again, at the retail outlet the pallets are mechanically handled and stored prior to transport to individual stores. The pallet may then be used to display the goods or product directly on the shop floor, as a form of merchandising unit.
- Pallets are normally of a high initial cost and there are systems of pallet hire in place. Pallets may also be purchased second hand, but are again costly, and may be prone to contaminants. They are bulky and are normally of a standard height and size so that both the manufacturer and retailer storage systems are compatible. Wooden pallets are heavy to manhandle and add to the crush weight of stored and transported goods or product because often several pallets of goods or product are stored on top of one another. A standard wooden pallet typically weighs between 25 Kg and 50 Kg. This means that manhandling is difficult and the weight can damage the goods or product that the pallet rests upon. This type of pallet is also costly to transport because of its inherent weight.
- A typical operation of a re-usable pallet may be as follows. Manufactured product such as boxed dry goods are collated and stacked on to a standard wooden pallet. A man may then place a pallet on top of this stacked pallet and proceed to collate and place more boxed product on top of this. Depending upon how many layers of product are used on each pallet, each single stack may contain several pallets. The stack is then normally enshrouded in stretch wrap to form a unit that is then mechanically handled by a manual pump truck or a mechanical fork lift truck and placed into storage. After a period of time, the product is ordered by a retailer and the unit is mechanically loaded onto a transport vehicle. At the retailer's depot, the unit is unloaded and stored for a further period. It is then loaded onto another vehicle and delivered into a retail shop, where it may be stored or placed direct for merchandising onto the shop floor.
- The problem with the aforementioned operation is that the manufacturer does not get the pallet back. This is very costly to the manufacturer and, ultimately, the consumer. After the product or goods are used from the pallet, the retailer must then dispose of the wooden pallet, which is bulky and heavy. The disposal of the pallet requires expensive transport and is costly to the environment since most pallets end up in landfill. It is estimated that there are around 5 wooden pallets in existence for each person in the British Isles.
- If a hire system is used, a pallet must be hired by a manufacturer. A system of tracking the pallets is required which is both labour intensive and costly. The pallet is then left with the retailer. The retailer may have a stock of empty pallets which he can give back to the manufacturer, requiring the loading of a vehicle to transport bulky, heavy and empty pallets back to the manufacturer at his own cost. A manufacturer also has to pay to de-hire a pallet and, if one is lost, will have to pay full cost for it. The returned pallets can be hired out again in a repeat cycle. Re-using pallets also leads to problems of cleanliness and repair. Wooden pallets are normally put together with nails which may become exposed and damage the goods or product placed upon them. Furthermore, wooden pallets may produce large or small splinters that can either damage the product or even enter and contaminate the product, especially food goods.
- The standard height of most pallets, usually being about 160 mm, dictates how much product can be transported on a vehicle, such as a curtain slider. Wooden pallets are heavy and may double in weight when wet, making manual handling dangerous.
- It is an object of the present invention to provide an improved corrugated cardboard pallet, that aims to overcome, or at least alleviate the abovementioned drawbacks.
- It is a further object of the present invention to provide a method of manufacture for the production of a corrugated cardboard pallet.
- Accordingly, a first aspect of the present invention provides a corrugated cardboard pallet, the pallet comprising a top sheet, a base sheet and at least one connecting member 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.
- The provision of a pallet that may be adjusted from a flat to an erect form is preferably provided by means of a number of connecting members being secured between the top sheet and the base sheet. Each member is constructed such as to be moveable from a flattened or collapsed state to an erect state. More preferably, each connecting member is in the form of a corrugated cardboard support comprising two substantially parallel opposing main body panels and two pairs of opposing side walls wherein each of one pair of opposing side walls are formed from two interlocking parts.
- The provision of a pair of opposing side walls that are each comprised of two interlocking parts enables the assembled support to be moveable from a collapsed state to an erect state. In the collapsed or flattened state, two parts of each wall are disengaged to allow each part to lie flat against its connecting wall or panel. In the erect state, the two parts of each wall become interlocked and lie substantially perpendicularly to their connecting wall or panel.
- Preferably, a corrugated cardboard blank is provided for the construction of each support, the blank comprising two main body forming panels, a middle panel between said body forming panels and at least one end flap, each main body forming panel and middle panel having opposing side flaps, each side flap of the main body panels being provided with an indent.
- It is to be appreciated that a support is assembled from the blank by folding the appropriate parts of the blank and securing them together using suitable means, most preferably an adhesive. The side flaps of the main panels are secured to the side flaps of the middle panel and the end flap is folded over and secured to the main panel. However, the side flaps of the main body panels are not secured to each other.
- The provision of an indent in each side flap of each main body forming panel enables a side flap of one main body panel to engage with the adjacent side flap of the other main body panel when the blank is assembled to form an erect box, thereby forming a double blind box. Prior to engagement of the flaps, the box is in a flattened state. This enables the blank to be assembled into a box that may take on a collapsed or an erect state.
- Opposing side flaps of each main body panel are preferably a mirror image of one another. Adjacent side flaps of adjacent main body panels are preferably identical.
- Preferably, an end flap is provided at the end of each main body forming panel. More preferably, one of the end flaps is also provided with side flaps. A tab is preferably provided on each of the side flaps of the main body panels for attachment to the side flaps of the end flap and middle panel in the constructed box.
- Each tab is preferably provided at the remote end of the indented region of each side flap. Preferably, a line of weakness is provided between each tab and its adjoining side flap.
- Each side flap of the main body forming panels, middle panel and/or end flap is preferably provided with one corner that forms substantially a right angle and an opposing corner which is truncated. Each tabe provided on the side flaps of the main body forming panels preferably extends from the truncated end of the side flap.
- It is preferable for fluting to be formed in the longitudinal direction of the blank, i.e. from one end flap to the other since this increases the strength of the box formed from the blank and thereby imparts strength to the pallet.
- The main panels and walls of the support may be any desired size.
- Preferably, at least four supports as hereinbefore described are provided between the top and base sheet to form the pallet, optionally being of different sizes. More preferably, between nine and twelve supports are provided but the exact number will depend upon the size of the pallet and on the size of the supports and hence, any number may be provided as desired.
- The supports are arranged so as to provide a stable pallet in its erect form and so that there are gaps between adjacent supports to provide side access points to the pallet. Supports may be provided at each corner of the sheets, with a support positioned centrally between the corner supports along each side thereof and a further support being provided in the centre between the sheets. Preferably, the support provided in the centre is the largest size of support and the supports provided at the corners are the smallest in size.
- The base sheet is preferably provided with regions that are relieved of material to provide access points from below the pallet. Preferably, two to four rectangular areas are relieved of material. However, any suitable number of access points may be provided in the pallet, being formed through the base sheet and/or by the spacing between adjacent supports provided between the sheets of the pallet.
- In a preferred embodiment of the present invention, the components of the pallet are secured together by means of adhesive only. A varnish may be applied to the top sheet, base sheet and/or supports to impart water resistance.
- Additionally, at least one further sheet, for example a cross ply board, may be laminated to the top and/or base sheet to increase the strength of the pallet. Preferably, the fluting of the additional sheet lies at 90 degrees to the direction of fluting on the sheet to which it is applied.
- A fourth aspect of the present invention provides a method of manufacturing a corrugated cardboard pallet comprising the steps of passing a top sheet along a conveyor, feeding at least one connecting member on to the top sheet and securing a base sheet to the connecting member.
- Preferably, an adhesive is applied to the connecting member prior to feeding it on to the top sheet. Preferably, the connecting member is moveable between a flattened and erect state and is applied to the top sheet in its flattened state.
- Generally, a plurality of connecting members will be fed onto different locations on the top sheet. Preferably, the different connecting members are fed from hoppers.
- For a better understanding of the present invention and to show more clearly how it may be carried into effect reference will now be made, by way of example only, to the accompanying drawings in which:
-
FIG. 1 is a plan view of a blank for a double-blind box according to one embodiment of the present invention; -
FIG. 2 is a perspective view of an erect double-blind box according to the present invention assembled from the blank shown inFIG. 1 ; -
FIG. 3 is a perspective view of a double-blind box shown inFIG. 2 , shown in its collapsed form; -
FIG. 4 is a plan view of a top part for a pallet according to one embodiment of the present invention; -
FIG. 5 is a plan view of the base part for a pallet according to one embodiment of the present invention; -
FIG. 6 is a perspective view of an assembled pallet according to one embodiment of the present invention utilising the parts shown in FIGS. 1 to 3, 4 and 5; -
FIG. 7 is a view of the underside of the top part of the pallet showing the location of the double-blind boxes; -
FIG. 8 is a schematic plan view of an apparatus for the assembly of a pallet according to one embodiment of the present invention; and -
FIG. 9 is a schematic perspective view of the apparatus shown inFIG. 8 illustrating the feed of one type of double-blind box from a hopper. - Referring to
FIG. 1 of the accompanying drawings, a plan view of a blank 2 for the construction of a double-blind box for forming a support for use in a pallet according to one embodiment of the present invention is illustrated. The blank is cut from a sheet of corrugated cardboard and creases are inserted into the blank to provide fold lines, represented by broken lines inFIG. 1 . Heavy dotted lines denote reverse fold lines. The blank has two mainbody forming panels middle section 19. The two mainbody forming panels end sections 17, 21 respectively opposite saidmiddle section 19. Each main body panel has side flaps 11, 22, 14, 25 extending from each side thereof, each side flap having an indent I. One end of each flap is straight and the other opposing end nearest the indent is oblique. Each oblique end is provided with atab middle section 19 is also provided with side flaps 13, 24, one end being straight and the other being oblique. Similar side flaps 16, 27 are provided extending from one end section 21 but theopposing end section 17 is free from flaps. - The blank may be assembled to form a
support 10 for a pallet, the support comprising two substantially parallel opposing main body panels (18, 20) and two pairs of opposing side walls (X, Y) wherein each of one pair of the opposing side walls (Y) are formed from two interconnecting parts (11, 14 and 22, 25) to enable the support to be moveable from a collapsed state to an erect state, as shown inFIGS. 2 and 3 . - To form the
box 10, side flaps 11, 22 are folded flat on to the mainbody forming panel 18 and thetabs tabs middle section 19. The mainbody forming panel 18 is then folded against themiddle section 19 so that thetabs adjacent side flap body forming panel 20 and thetabs body forming panel 20 so that the side flaps 16, 27 adhere to theiradjacent tab opposing end section 17 which is placed over to stick to the outer surface of the other end section 21 to form an assembledbox 10, as shown inFIG. 2 . The construction of the box from a blank may be achieved using multi-point machine gluers at high speed. - As mentioned above, the construction of the
box 10 is such that it may be provided in a collapsed form (FIG. 3 ) or an erect form (FIG. 2 ). Assembly of the box into its collapsed form requires the side flaps 11, 14, 22, 25 of the main body forming panels to be pressed inwardly such that they lie against their respective panel. Pushing inwardly the outer surface of the collapsed box, in particular themiddle section 19 andend section 17, forces the side flaps away from their panel and the flaps lock together by means of the indent I. This forms a double blind box that is extremely difficult to re-collapse. - It has been found that the provision of fluting in the longitudinal direction C, shown in
FIG. 1 , provides for a much stronger box thus enabling the box to support greater weights. This is opposite to the direction of fluting provided in conventional corrugated cardboard boxes. - The direction of fluting and the provision of two blind ends in the box results in the erected box being inherently strong. Prior hereto one end of a box would be openable to enable items to be placed within the box. The box according to the present invention may be used as a support, for example acting as a display shelf to support goods that are for sale. The box has advantages over the prior art supports, such as its ability to be transported and stored flat until required and its ability to be recycled. It is also made of cheap materials.
- A preferred application for a box according to the present invention is the construction of a pallet wherein a plurality of boxes are adhered to a top and bottom sheet to provide a pallet that is moveable from a collapsed to an erect state. Any required size of pallet may be provided and the larger the pallet, generally the more boxes that will be used in its construction.
- FIGS. 4 to 7 of the accompanying drawings illustrate one pallet according to the present invention. This embodiment is made from eleven single sheets of corrugated cardboard, which are stamped out as shown in
FIG. 1 ,FIG. 4 andFIG. 5 . A solidrectangular sheet 28 is provided to form the top of the pallet and a furtherrectangular sheet 29 of substantially the same size is provided for forming the base of the pallet, this sheet having tworectangular sections - Nine boxes 30-38 according to the present invention are glued in their collapsed form to the underside of the
top sheet 28, as shown inFIG. 7 . This figure details the location of the nine double blind boxes that create the compressive strength of the pallet. In the embodiment shown, there are four different sizes of box for each pallet. A smallest size ofbox largest box 34 is placed in the centre of the pallet. Another size ofbox box panel 20 of the boxes and thebottom sheet 29 of the pallet is then stuck onto the flattened boxes. - It is to be appreciated that any number of boxes may be used to form the pallet. The boxes may be of an identical size of may be different size.
- The pallet may be erected by striking an edge of the pallet on the floor, or by way of machine, causing each of the boxes to move into their erect form thereby popping the pallet into its extended state.
FIG. 6 of the accompanying drawings illustrates the pallet in its extended state. - The orientation of the fluting on the top sheet may be any direction but the orientation of the fluting with respect of the boxes is important to provide overall compressive strength of the pallet. The positioning of the boxes is such as to provide access for a mechanical forklift along all four edges of the pallet. The boxes are also positioned so that they will always be in the correct position to bear on standard warehouse racking systems. The mechanical handling forks can be introduced at A or B on either edge of the pallet, as illustrated in
FIG. 6 . If a pallet truck is used for handling, then the wheels roll over thepallet base 29 and then sit against the floor as the pallet is elevated for moving. - An additional sheet (not shown), for example of cross ply board, may be secured to the top and/or base sheet to increase the strength of the pallet. The fluting of the additional sheet is preferably transverse to the direction of fluting on the sheet to which it is applied.
-
FIGS. 8 and 9 of the accompanying drawings illustrate one embodiment of an apparatus for the automatic construction of pallets according to the present invention. In the embodiment shown, a pallet is manufactured from eleven pieces of corrugated cardboard that have been stamped out. Atop sheet 28 is fed onto aconveyor 100. The top sheet of the pallet may be made from a plurality of walled corrugated cardboard, depending upon the strength characteristics required. It is envisaged that a pallet will normally be used with loads of less than 700 Kg but by varying the grammage of the board used, and the type of fluting, it can be made to withstand considerably more weight. - Nine
collapsible boxes 10 are fed from hoppers 101-104 on to the top sheet. The hoppers are located such that the boxes are positioned in their correct position on thesheet 28. Each flattened box is passed overglue applicator wheel 112 housed within aglue bath 110 and is applied to the underside of the top sheet by means of anapplicator wheel 114. Abottom sheet 29 is then fed onto the top of theboxes 10 from asheet feeder 106 to form a collapsed pallet. The bottom sheet is also of corrugated cardboard having access slots cut into it so the assembled article can be mechanically handled by a pump truck. - The
boxes 10 give the pallet its load bearing capability. The boxes are unique double blind boxes with self-erecting ends, as described inFIGS. 2 and 3 . When the sides of the box are pressed inwardly, they form a rigid box that cannot be flattened again. The boxes also have a degree of flexibility so that vibrating movement through them will have a dampened action. No metal staples are used, just glue. When the pallet is un-erected in flat form, the preferred embodiment is only about 25 mm thick. In contrast, when the edges are struck on a surface, or pushed together, the pallet pops into a rigid 100 mm high pallet. The pallet may be machine erected, as in conventional automated palletising systems, or may be easily hand erected in one motion by striking one edge on the floor. - The absence of any metal mechanical fastenings means that the pallet cannot damage or contaminate any product or goods placed therein. Its reduced height vis-à-vis the conventional type of pallet means that extra product layers may be gained for transport. The cardboard may also be treated with varnish or other suitable means to make it water resistant and may be printed with descriptors or other decoration, such as in for use in a shop display merchandising unit.
- The provision of pallets made from corrugated cardboard that are moveable between a collapsed and erect form overcomes many of the difficulties associated with the prior art type of pallets. The pallet may be stored in its flat form, thus potentially giving a 600% saving on storage space over the conventional pallet systems. Transportation prior to use can also be done with the pallet in its flattened form, meaning that fewer vehicles are needed. For example, it is envisaged that 4000 of the pallets according to the present invention will be able to be transported by a single vehicle whereas 11 vehicles would be required to transport the same number of conventional wooden pallets. Thus, a pallet according to the present invention has clear economical and environmental benefits. Furthermore, once erected, a pallet according to the present invention may only be about 100 mm high, being almost half the height of a standard wooden pallet but tall enough to enable handling by all standard mechanical means. The pallet according to the present invention is designed for single trip use. Whilst the pallet is robust enough to be mechanically handled and transported several times, it is envisaged that the pallet will be compacted after use and recycled. In this respect, the pallet is 100% recyclable. This saves on storage space and costly return transport. Furthermore, the pallet is far cheaper to make than other types of wooden pallet currently in existence, minimising the cost to the ultimate consumer.
- On average, a pallet according to a preferred embodiment of the present invention weighs about 1-3 Kg. In contrast, a conventional wooden pallet weighs between 25-50 Kg. Thus, the present pallet can be manually handled without any worry of health and safety weight constraints. Its lightness also assists in the prevention of product damage when the pallet is used in multi-stacked units. It is designed for two-way or four-way entry and can be handled by a manual pallet pump truck or various mechnical forklift trucks without modification. The pallet is also designed so that it can be placed safely in the majority of racking systems.
- A further benefit provided by a pallet according to the present invention is that its basic constructional design can be used to provide any size of pallet required. By varying the grade of corrugated cardboard used, the box or pallet can be made to withstand varying dead loads up to several tons.
- Additionally, the provision of a pallet that is intended for a single use reduces the risk of any contamination of the product from the pallet. Wooden pallets require fumigation against wood boring insects. The single use aspect of the pallet also reduces incidental costs associated with the provision of manpower to control the pallets, clean the pallets and store and unload the pallets.
Claims (25)
1. A corrugated cardboard pallet comprising a top sheet, a base sheet and at least one connecting member between said top and base sheets, the connecting member being moveable to shift the pallet between a relatively flat and a relatively erect form characterized in that each connecting member comprises two substantially parallel opposing main body panels and two pairs of opposing side walls wherein each of one pair of opposing side walls is formed from at least two interlockable parts to enable each member to be moveable from a flattened or collapsed state to an erect state.
2. A corrugated cardboard pallet as claimed in claim 1 wherein each support is constructed from a blank comprising two main body forming panels, a middle panel between said body forming panels and at least one end flap, each main body forming panel and middle panel having opposing side flaps, each side flap of the main body panels being provided with an indent
3. A corrugated cardboard pallet as claimed in claim 2 wherein the side flaps of the main body panels are secured to the side flaps of the middle panel, the end flap is folded over the secured to the main panel and the side flaps of the main body panels are not secured to each other.
4. A corrugated cardboard pallet as claimed in claim 2 wherein opposing side flaps of each main body panel are a mirror image of one another.
5. A corrugated cardboard pallet as claimed in claim 4 wherein adjacent side flaps of adjacent main body panels are identical.
6. A corrugated cardboard pallet as claimed in claim 5 wherein an end flap is provided at the end of each main body forming panel.
7. A corrugated cardboard pallet as claimed in claim 6 wherein one of the end flaps is provided with side flaps.
8. A corrugated cardboard pallet as claimed in claim 7 wherein a tab is provided on each of the side flaps of the main body forming panels for attachment to side flaps of the end flap and the middle flap in the constructed support.
9. A corrugated cardboard pallet as claimed in claim 8 wherein each tab is provided at the remote end of the indented region of each side flap.
10. A corrugated cardboard pallet as claimed in claim 9 wherein fluting is formed in the longitudinal direction of the blank.
11. A corrugated cardboard panel as claimed in claim 10 wherein an end flap of each main body forming panel is substantially the same length as the middle panel.
12. A corrugated cardboard pallet as claimed in claim 11 wherein at least 4 connecting members are provided between the top sheet (28) and the base sheet (29).
13. A corrugated cardboard pallet as claimed in claim 12 wherein between 9 and 12 members are provided between the top sheet and the base sheet.
14. A corrugated cardboard pallet as claimed in claim 13 wherein the connecting members are arranged at each comer of the sheets, with at least one member positioned centrally between the comer members along each side thereof and a further member being provided in the centre between the sheets.
15. A corrugated cardboard pallet as claimed in claim 14 wherein the central connecting member is the largest size of member and the members provided at the corners are the smallest in size.
16. A corrugated cardboard pallet as claimed in claim 15 wherein the base sheet is provided with regions that are relieved of material to provide access points from below the pallet.
17. A corrugated cardboard pallet as claimed in claim 16 wherein the base sheet, top sheet and at least one connecting member are all secured together by means of adhesive only.
18. A corrugated cardboard pallet as claimed in claim 17 wherein a varnish is applied to the top sheet, base sheet and/or at least one connecting member.
19. A corrugated cardboard pallet as claimed in claim 18 wherein at least one additional sheet is secured to the top and/or base sheet.
20. A corrugated cardboard pallet as claimed in claim 19 wherein the additional sheet is a cross ply board.
21. A corrugated car(board pallet as claimed in claim 20 wherein fluting of the additional sheet lies at 90 degrees to the direction of fluting on the sheet to which it is applied.
22. A method of manufacturing a corrugated cardboard pallet comprising the steps of passing a top sheet along a conveyor, feeding at least one connecting member on to the top sheet and securing a base sheet to the connecting member, characterized in that the connecting member is moveable between a flattened and an erect state and is applied to the top sheet in its flattened state.
23. A method as claimed in claim 22 wherein adhesive is applied to the connecting member prior to feeding it on to the top sheet.
24. A method as claimed in claim 25 wherein a plurality of connecting members are fed onto different locations on the top sheet.
25. A method as claimed in claim 24 wherein the connecting members are fed from hoppers.
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB0207049A GB0207049D0 (en) | 2002-03-26 | 2002-03-26 | Corrugated cardboard pallet |
GB207049.8 | 2002-03-26 | ||
GB0213178.7 | 2002-06-08 | ||
GB0213178A GB0213178D0 (en) | 2002-06-08 | 2002-06-08 | Improvements in and relating to corrugated cardboard supports |
PCT/GB2003/001019 WO2003082688A1 (en) | 2002-03-26 | 2003-03-10 | Improvements in and relating to corrugated cardboard pallets |
Publications (1)
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US20050155527A1 true US20050155527A1 (en) | 2005-07-21 |
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US10/509,051 Abandoned US20050155527A1 (en) | 2002-03-26 | 2003-03-10 | Corrugated cardboard pallets |
US10/509,301 Abandoned US20060032898A1 (en) | 2002-03-26 | 2003-03-10 | Improvements in and relating to corrugated cardboard supports |
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US10/509,301 Abandoned US20060032898A1 (en) | 2002-03-26 | 2003-03-10 | Improvements in and relating to corrugated cardboard supports |
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US (2) | US20050155527A1 (en) |
EP (2) | EP1490269B1 (en) |
CN (2) | CN1329252C (en) |
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AU (2) | AU2003209484A1 (en) |
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US20070107639A1 (en) * | 2005-11-04 | 2007-05-17 | Dixon Douglass W | Pallet having corrugated components and modular method of making same |
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GB0406087D0 (en) * | 2004-03-18 | 2004-04-21 | Mulcahy Stephen | Improvements in and relating to corrugated cardboard supports |
US7392904B1 (en) * | 2004-03-26 | 2008-07-01 | Wunderlich Fibre Box Company | Variable size double crash-lock carton |
JP4584701B2 (en) | 2004-12-22 | 2010-11-24 | 株式会社リコー | Container storage box for easily deformable containers containing powder for image formation |
DK1863718T3 (en) * | 2005-03-29 | 2009-02-23 | Meijer St Jabik B V Geb | Device for carrying a load |
NL1029268C2 (en) * | 2005-03-29 | 2006-10-02 | Meijer St Jabik B V Geb | Load carrying device e.g. pallet, for use with forklift truck, has minimal insertion opening defined in any position of base and carrier, where opening is dimensioned for receiving external insertion component e.g. forks |
CN102211681A (en) * | 2011-05-13 | 2011-10-12 | 达成包装制品(苏州)有限公司 | Heavy-load carton with dovetail lock catch |
CN103922033A (en) * | 2014-03-25 | 2014-07-16 | 苏州隆鑫包装科技有限公司 | X-type plate structure |
RU182618U1 (en) * | 2018-05-16 | 2018-08-23 | АО "Управляющая компания группы предприятий "ГОТЭК" (АО "УК ГП "ГОТЭК") | Packaging |
RU2706102C1 (en) * | 2018-09-14 | 2019-11-13 | АО "Управляющая компания группы предприятий "ГОТЭК" (АО "УК ГП "ГОТЭК") | Folding box |
CN109774248A (en) * | 2019-02-21 | 2019-05-21 | 湖北工程学院 | A kind of production line and its production method of paper pallet |
RU194978U1 (en) * | 2019-05-06 | 2020-01-09 | Рустем Рафкатович Каримов | FOLDING BOX |
RU195263U1 (en) * | 2019-09-10 | 2020-01-21 | Общество с ограниченной ответственностью "Полиграфия-Славянка" | A BOX IN THE FORM OF A DIVIDER WITH LOCKED COMPOUNDS AT ITS END |
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ES2259142T3 (en) | 2006-09-16 |
RU2343093C2 (en) | 2009-01-10 |
RU2323863C2 (en) | 2008-05-10 |
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DE60305466T2 (en) | 2007-02-15 |
CN100455488C (en) | 2009-01-28 |
EP1494928B1 (en) | 2006-01-11 |
AU2003209484A1 (en) | 2003-10-13 |
ATE315526T1 (en) | 2006-02-15 |
RU2004131639A (en) | 2005-06-27 |
EP1490269B1 (en) | 2006-05-24 |
RU2004131640A (en) | 2005-06-27 |
WO2003082688A1 (en) | 2003-10-09 |
ATE327166T1 (en) | 2006-06-15 |
US20060032898A1 (en) | 2006-02-16 |
EP1494928A1 (en) | 2005-01-12 |
DE60303211T2 (en) | 2006-09-21 |
DE60305466D1 (en) | 2006-06-29 |
PT1494928E (en) | 2006-05-31 |
WO2003082685A1 (en) | 2003-10-09 |
CN1329252C (en) | 2007-08-01 |
CN1649774A (en) | 2005-08-03 |
CA2480849A1 (en) | 2003-10-09 |
DE60303211D1 (en) | 2006-04-06 |
CN1649776A (en) | 2005-08-03 |
AU2003217011A1 (en) | 2003-10-13 |
EP1490269A1 (en) | 2004-12-29 |
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