JP3039336U - Transport pallets - Google Patents

Abstract

(57) 【Abstract】 PROBLEM TO BE SOLVED: To provide a transport pallet that is lightweight, inexpensive, and excellent in strength, and can be reused as a paper raw material after the end of its service life. SOLUTION: A first layer (1) made of paperboard, a second layer (2) made of a corrugated cardboard sheet adhered to one surface of the first layer, and a center paper for the corrugated sheet of the second layer. Third layer (3) consisting of a corrugated cardboard sheet adhered to the opposite surface of the first layer so that the directions of the corrugations of are perpendicular to each other
And a fourth layer (4) and a fifth layer (5) of paperboard bonded to the outer surfaces of the second and third layers, respectively. When a honeycomb board is used in place of the corrugated board sheet, the honeycomb board of the third layer (23) is set so that the bending characteristics are perpendicular to the honeycomb board of the second layer (22).

Description

[Detailed description of the invention]

[0001]

[Technical field to which the invention belongs]

 The present invention relates to a transport pallet, and more particularly to a transport pallet used when transporting stacked paper sheets.

[0002]

[Prior art]

 Paper produced at a paper mill is stacked on a transport pallet in multiple layers and fixed with ropes so that it does not scatter and is transported and shipped to, for example, a warehouse or printing plant. There are various types of transport pallets, such as those made of wood or punching boards, and those in which the legs of a structure made of corrugated cardboard are fixed to these materials.

[0003]

[Problems to be solved by the device]

 However, the conventional transport pallets have their respective drawbacks. For example, although these members made of wood and punching board are excellent in strength, they are expensive and, in addition, have a considerable weight. Moreover, there is no method other than incineration or disposal after the service life is exceeded, and the environmental problem of reuse is not cleared. On the other hand, attempts have been made to reduce the price and weight by making a part of paper such as corrugated cardboard sheet, but corrugated cardboard sheet has a drawback that thick paperboard cannot be used as a raw material because of its manufacturing process limitation. For this reason, if the supporting part that directly supports the paper is uneven or sagging, it will deform the loaded paper and lose its commercial value. I had to use wood or punching boards. The present invention is intended to solve the above problems, and provides a transporting pallet that is lightweight, inexpensive, and excellent in strength, and that can be reused as a paper raw material after the end of its service life. It is a thing.

[0004]

Means for Solving the Problems In order to solve the above-mentioned problems, a carrying pallet of the present invention will be described with reference to FIGS. 1 to 4. The carrying pallet 10 is a paperboard arranged at the center. The first layer 1 consisting of, the second layer 2 consisting of a corrugated cardboard sheet adhered to one surface of the first layer 1, and the corrugated direction of the center paper with respect to the corrugated sheet of the second layer 2 A third layer 3 made of corrugated cardboard which is adhered to the opposite surface of the first layer 1 so as to form a right angle to each other and an outer surface of the second layer 2 and the third layer 3 respectively. It is characterized by comprising a fourth layer 4 and a fifth layer 5 made of a paperboard. The corrugated cardboard sheets forming the second layer 2 and the third layer 3 are arranged so that the corrugated directions, that is, the flows of the streaks are at right angles to each other. The second layer 2 and the third layer 3 are bonded and sandwiched by the first layer 1 and the fourth layer 4, and the first layer 1 and the fifth layer 5, respectively. There is. The corrugated cardboard sheet, when used alone, is generally very strong against the force perpendicular to the creases, but it is fragile to the parallel force, and is easily broken when a partial impact is applied. On the other hand, paperboard is strong against partial contraction and extension and is not brittle against partial impact, but it is easily bent and corrugated in the longitudinal direction. However, in the configuration of this invention, the second layer 2 and the third layer 3 are arranged at an angle that reinforces each other, and the first, fourth and fifth layers 1, 4, and 5 reinforces the brittleness of the second layer 2 and the third layer 3 extremely strongly, and on the contrary, the action of these layers 2 and 3 prevents the pallet 10 body from being deformed or bent.

Another transfer pallet 20 according to the present invention will be described with reference to FIG. 5. The structure including five layers 21, 22, 23, 24 and 25 is the same as the above, but The difference is that the second and third layers 22 and 23 are made of honeycomb board instead of the corrugated board sheet. The relationship between the second and third layers 22 and 23 made of a honeycomb board is set so that the honeycomb board of the third layer 23 has a bending characteristic at right angles to the honeycomb board of the second layer 22. As a result, the same action and effect as the above can be obtained.

[0006]

[Embodiment of the invention]

 Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings. FIG. 1 shows a transport pallet 10 according to the present invention, which is formed by adhering five layers of paper. That is, as shown in detail in an enlarged scale in FIG. 2, this pallet 10 is composed of a first layer 1 made of paperboard arranged in the center and a cardboard sheet and is adhered to both sides of the first layer 1 respectively. The second layer 2 and the third layer 3 and the fourth layer 5 and the fifth layer 5 which are made of paperboard and are adhered to the outer surfaces of the second layer 2 and the third layer 3, respectively. It consists of The corrugated board sheets constituting the second layer 2 and the third layer 3 are arranged so that the corrugated directions of the central paper, that is, the lines of the corrugations are at right angles to each other. The paperboard that constitutes the fifth layer 5 projects more than the other layers 1, 2, 3 and 4 on each side and forms a folded piece 6, respectively. Each fold piece 6 can be bent in the direction of the pallet 10 by a fold line 7.

In the second layer 2 and the third layer 3, since the corrugated directions of the corrugated cardboard sheet are perpendicular to each other, the weakness of the corrugated cardboard sheet, that is, the brittleness against the force parallel to the creases, is significantly reinforced. But it's not enough. In particular, there is a risk that the side to which a force is applied, that is, the side that tends to bend inward, partially contracts and deforms between the folds. However, in this invention, the corrugated cardboard sheets of layer 2 and layer 3 are adhesively sandwiched between layer 1 and layer 4 and layer 1 and layer 5, respectively, so that the strength of the partial portion is dramatically increased. On the other hand, the longitudinal flexural weakness of the paperboard of layers 1, 4 and 5 is dramatically enhanced by corrugated board.

As shown in FIG. 3, when the pallet 10 is used, the paper 8 to be conveyed is stacked on the pallet 10 and a similar pallet 10 ′ is placed on the upper surface of the paper 8 and then folded. The pieces 6 and 6'are bent on the side of the paper 8 and the rope 9 is hung in a cross shape and fixed. That is, the folded pieces 6, 6 ′ act as a protection member that protects the pallet 10 body and the paper 8 from the rope 9. After that, the paper 8 loaded on the pallet 10 is shipped to a predetermined warehouse or factory at any time. Although not shown, a paper leg made of a corrugated cardboard structure or the like may be attached to the bottom of the pallet 10 if necessary.

Since the pallet 10 is made entirely of paper, it is melted in the processing tank and reused as a raw material for paper after its service life is exceeded. From the point of view of reuse, it is preferable that the layers 1 to 5 constituting the pallet 10 are adhered to each other with a starch-based adhesive that causes no problem in environmental pollution. In the case of this embodiment, the folding pieces 6 and 6'are formed over the entire length of the pallet 10, but as shown in FIG. It is also possible to provide not only on all four sides of the pallet 10 but also on at least two opposite sides. In that case, the other two sides facing each other may not be hung on a rope, or if appropriate, another appropriate abutting plate may be appropriately arranged for protection.

In the above-described embodiment, each of the first, fourth and fifth layers 1, 4, 5 is composed of one paperboard, but two or more paperboards may be laminated together. Good. Similarly, the second and third layers 2 and 3 may also be formed by laminating two or more corrugated cardboard sheets. In this case, it is preferable that the corrugated corrugated sheets are waved at right angles to each other, but this is not a limitation. That is, the second layer 2 is formed by stacking a plurality of corrugated board sheets, and the third layer 3 is also formed by stacking a plurality of corrugated board sheets, and at least one corrugated board sheet in the second layer 2 is formed. It is also within the scope of the present invention that the arrangement relationship between the corrugated sheet and the at least one corrugated cardboard sheet of the third layer 3 is such that the directions of the corrugations of the central sheet are perpendicular to each other. Further, in the above-mentioned embodiment, the double-faced cardboard sheet is used, but a single-sided ball sheet may be used.

In the transport pallet 20 according to another embodiment shown in FIG. 5, the second layer 22 and the third layer 23 adhered to the first layer 21 made of paperboard are made of paper-made honeycomb board, respectively. It consists of As is well known, the honeycomb board is extremely strong against a force in one direction like the corrugated cardboard sheet, but is not resistant to a force perpendicular thereto. In this embodiment, the honeycomb boards of the second layer 22 and the third layer 23 are arranged so that their bending characteristics are perpendicular to each other, and the same action and effect as those of the embodiment of FIG. 1 are produced. ing . Further, as in the embodiment of FIG. 1, a fourth layer 24 and a fifth layer 25 made of paperboard are adhered to the outer surfaces of the second layer 22 and the third layer 23, respectively. A fold piece 26 projects from the layer. In the embodiment shown in FIG. 5, modifications similar to those shown in the embodiment of FIG. 1 are possible. That is, the first, fourth and fifth layers 21, 24 and 25 are not limited to one made of paperboard, and may be made by laminating two or more paperboards. Similarly, the second and third layers 22 and 23 may also be formed by laminating two or more honeycomb boards. In this case, it is preferable that the bonded honeycomb boards have bending characteristics at right angles to each other, but this is not a limitation. That is, the second layer 22 is formed by stacking a plurality of honeycomb boards, the third layer 23 is also formed by stacking a plurality of honeycomb boards, and at least one honeycomb board of the second layer 22 is formed. It is also within the scope of the present invention that the arrangement relationship between the at least one honeycomb board of the third layer 23 and the third layer 23 is such that the bending characteristics thereof are perpendicular to each other.

When a plurality of corrugated cardboard sheets or honeycomb boards are attached to one layer as in the above-described modified example, a paperboard may be further interposed between them. What is adopted is also included in the scope of this invention. As a further modification, the embodiment of FIG. 1 and the embodiment of FIG. 5 are combined to make a corrugated sheet and a honeycomb board for one second and third layer 2 (or 22), 3 (or 23). May be adhered to each other and configured, and those adopting such an embodiment are also included in the scope of the present invention. However, in the present invention, as shown in FIG. 1 or FIG. 5, it is necessary to change the design of laminating a plurality of corrugated cardboard sheets or honeycomb boards for one layer as in the above-described various modifications. Even with a simple structure, it is possible to obtain sufficient strength. Therefore, laminating multiple corrugated cardboard sheets or honeycomb boards per layer is not a requirement of this invention and should be considered as a design modification within the scope of this invention.

In each of the embodiments described in detail above, the pallets 10 and 20 are shown as supports for loading paper, but may be applied to the side surface of a non-conveyed object as a cushioning material, or It is also possible to form the pallets 10 and 20 by bending or adhering them on a box and use them as a carrier for storing and carrying products and the like. In the present invention, the term "paperboard" is used in its ordinary meaning, for example, a paper having a thickness greater than the thickness of both sides of a commonly known corrugated cardboard sheet.

[0014]

[Effect of the invention]

 As described above, according to the present invention, the transport pallet 10 is composed of five layers 1, 2, 3, 4 and 5 consisting only of a corrugated cardboard sheet and a paperboard, so that it is much lighter than the conventional one and made of a material. The cost is also extremely low. In addition, even in the manufacturing process, it is possible to punch a large amount of material at one time, and it is possible to perform bonding easily and efficiently. Furthermore, the weaknesses of corrugated cardboard and paperboard are reinforced with each other, and their strength advantages are dramatically increased. Even if a considerable amount of weight is applied, there is no deformation or bending, and sufficient cushioning is also obtained. Therefore, even if a large amount of paper is loaded, it can withstand the weight sufficiently. Therefore, the stacked paper is never deformed or wrinkled, and a large amount of paper can be safely stacked and transported. In addition, after the end of the service life, it can be melted in a processing tank and reused as a raw material for paper, so it is an extremely modern challenge to prevent environmental pollution and to reuse resources. These effects can be obtained in the same manner even when the honeycomb board is used instead of the corrugated board sheet. Further, according to the present invention, if all or at least two opposite sides of the paperboard of the layers 5 and 25 are projected to form the folded pieces 6 and 26, a separate protection pad is provided for rope hanging. Since it is not necessary to hit a plate, the work can be performed quickly, which is preferable.

[Brief description of the drawings]

FIG. 1 is a perspective view showing an embodiment of a carrying pallet according to the present invention.

FIG. 2 is an enlarged view showing a section taken along line II-II in FIG. 1 of the same embodiment.

FIG. 3 is a perspective view showing a state in which multiple sheets of paper to be conveyed are stacked on the conveying pallet of the same example.

FIG. 4 is a perspective view showing another embodiment of the transfer pallet according to the present invention.

FIG. 5 is an exploded perspective view showing still another embodiment of the carrying pallet according to the present invention.

[Explanation of symbols]

10,10 'Transport pallet 1 First layer made of paperboard 2,3 Second and third layers made of corrugated cardboard 4,5 Fourth and fifth layer made of paperboard 6,6' Folded piece 20 Transport Pallet 21 First layer made of paperboard 22,23 Second and third layer made of honeycomb board 24,25 Fourth and fifth layer made of paperboard 26 Folded piece

Claims (4)

[Utility model registration claims] 1. A first layer made of paperboard, a second layer made of a corrugated cardboard sheet adhered to one surface of the first layer, and a corrugated sheet of central paper for the corrugated sheet of the second layer. A third layer consisting of a corrugated cardboard sheet adhered to the opposite side of the first layer so that the directions are at right angles to each other, and a paperboard attached to the outer sides of the second layer and the third layer respectively. A carrier pallet comprising a fourth layer and a fifth layer. 2. The transport pallet according to claim 1, wherein at least two opposite sides of the paper board constituting the fifth layer project from the other layers to form a folded piece. 3. A first layer made of paperboard, a second layer made of a honeycomb board adhered to one surface of the first layer, and having a right-angle bending characteristic with respect to the honeycomb board of the second layer. A third layer made of honeycomb board adhered to the opposite surface of the first layer so that a fourth layer and a fourth layer made of paperboard adhered to the outer surfaces of the second layer and the third layer, respectively. A pallet for transportation characterized by comprising five layers. 4. The transport pallet according to claim 3, wherein at least two opposite sides of the paper board forming the fifth layer are projected from the other layers to form a folded piece.