JP2001058639A - Pallet for transportation - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a pallet for transportation which is lightweight and inexpensive as compared to a pallet made of wood. SOLUTION: In the pallet for transportation, a plurality of cut lines, which are divided by a connection part, are formed on a long, narrow corrugated fiberboard. The fiberboard is bent, at each cut line, alternately reversely so as to be pressed into layers, thereby forming a connection block 16. The block 16 is then interposed between an upper board 11 and a lower board 12, both comprising a corrugated fiberboard.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a transport pallet, and more particularly to a transport pallet having a connecting block interposed between an upper plate and a lower plate.

[0002]

2. Description of the Related Art Transport pallets have been widely used for moving articles. The transport pallet can be assembled by combining a wooden plate and a square bar. Normally, wooden pillars made of square wood are arranged between upper and lower panels, and these are connected to each other with nails or the like to assemble them.

[0003] On such a transport pallet, articles of a predetermined quantity or a predetermined weight are placed. Then, in a state where the article is placed, the forklift claw is inserted into the space between the upper plate and the lower plate to lift the article, thereby moving the article to another position. . By using such a transport pallet,
Significant rationalization of cargo handling will be achieved.

[0004]

A disadvantage of such a conventional wooden transport pallet is that the wooden pallet can be assembled with a wooden pillar interposed between the upper and lower plate-like members, and therefore, the weight is low. But had the disadvantage of being heavy. In addition, because of its heavy weight, it is repeatedly used at a predetermined place, and is not used as a part of a packing means for transporting articles as they are to a distant place.

SUMMARY OF THE INVENTION The present invention has been made in view of the above problems, and has a light weight, and is a part of a packing means, and can be used as it is as it is and can be used as it is with a product. The purpose is to provide pallets.

[0006]

According to one aspect of the present invention, there is provided a transport pallet having a connecting block interposed between an upper plate and a lower plate. And forming a connecting portion for partially connecting each of the cutting lines, and alternately bending in the opposite direction at the cutting lines to overlap and form the connecting block. Further, the present invention relates to a transport pallet wherein the connecting block is fixed to an upper plate and a lower plate, respectively.

[0007] Here, a cutting line may be formed at right angles to the step of the corrugated cardboard for assembling the connecting block. Further, the connecting block may be fixed to the upper plate and the lower plate in a state where the steps of the cardboard for assembling the connecting block are arranged so as to extend in the height direction. Further, a positioning plate may be arranged inside the upper plate and / or the lower plate so as to overlap with the upper plate and / or the lower plate, and the connecting block may be arranged in a notch of the positioning plate. Further, a holding plate is arranged inside the upper plate and / or the lower plate so as to overlap with the lower plate, and the connection block is held by holding pieces formed by cutting and raising the holding plate, and the holding plate is It may be fixed to the upper plate and / or the lower plate. In addition, a reinforcing plate may be joined to a connecting block assembled by bending a cardboard. The reinforcing plate may be joined to the connecting block in a state of being bent in a U-shape.

[0008]

According to the invention, the connecting block is assembled by alternately bending the corrugated cardboard at the cutting line in the opposite direction and joining them together. Then, such a connecting block is interposed between the upper plate and the lower plate to be connected to each other, whereby the transport pallet is assembled.
Such a transport pallet places an article on the upper surface of the upper plate and, in such a state, places a forklift claw in a space between the upper plate and the lower plate and formed by the connecting block. By inserting and lifting, it becomes possible to move the article.

[0009]

1 to 6 show a transport pallet according to a first embodiment of the present invention. As shown in FIGS. 5 and 6, the transport pallet includes an upper plate 11 and a lower plate 12.
And the upper positioning plate 13 joined to the inside of the upper plate 11
And a lower positioning plate 14 joined to the upper side of the lower plate 12
And a connection block 16 interposed between the upper plate 11 and the lower plate 12 while being positioned by the upper and lower positioning plates 13 and 14. Here, the connection block 16 is positioned by the notch 15 of the upper and lower positioning plates 13 and 14.

The transport pallets of the present embodiment are all made of cardboard. That is, as shown in FIG. 1, the upper plate 11 and the lower plate 12 are formed of rectangular or square cardboard panels. As shown in FIG. 2, the upper and lower positioning plates 13 and 14 are formed by cutting out predetermined positions of a corrugated cardboard having the same size as the upper plate 11 and the lower plate 12 to form notches 15. Here, the upper plate 11
The directions of the upper and lower positioning plates 13 and 14, which are respectively overlapped with the lower plate 12, are the upper plate 11 and the lower plate 12.
It is preferable that the direction intersects the direction of the step at right angles.

Next, the assembly of the connecting block 16 interposed therebetween will be described. The connecting block 16 is adapted to be assembled by an elongated cardboard 20 as shown in FIG. Cutting lines 21 are formed on the corrugated cardboard 20 at predetermined intervals in a direction orthogonal to the corrugated board. Then cut 2 so as to cut the cutting line 21.
2 are formed, and a plurality of connecting portions 23 surrounded by the cuts 22 are formed at the portions of the respective cutting lines 21 so as to cross the cutting lines 21.

A glue 24 is applied to a predetermined position on the surface of the cardboard 20 as shown in FIG. Then, the corrugated cardboard 20 is alternately bent at the cutting line 21 in the opposite direction as shown in FIG. Since the connecting portion 23 is formed at the cutting line 21, the cardboards 20 bent in a zigzag manner by such a connecting portion 23 are connected to each other. Accordingly, by connecting the folded cardboards 20 to each other and joining them with the glue 24, a rectangular parallelepiped connecting block 16 as shown in FIG. 5 is assembled.

The connecting block 16 has an upper plate 11 and a lower plate 1 such that the direction of the step is oriented in the height direction.
2 is attached as shown in FIG. At this time, the upper part of the connection block 16 is received in the notch 15 of the upper positioning plate 13, and the bottom of the connection block 16 is received in the notch 15 of the lower positioning plate 14. Thus, the upper and lower portions of the connection block 16 are correctly positioned. Then, the upper and lower surfaces of the connection block 16 and the positioning plates 13 and 14 are glued and joined to the lower surface of the upper plate 11 and the upper surface of the lower plate 12, respectively.
In this way, a transport pallet as shown in FIG. 6 is assembled.

[0014] Such a transport pallet is much lighter than a wooden pallet because all the components are assembled from cardboard as described above. That is, when a wooden pallet made of cardboard is the same size as a pallet weighing 30 kg, the weight is 5.6 kg, which can be reduced to about 1/5 or less. Moreover, in the case of a pallet in which nine connecting blocks 16 are arranged between the upper plate 11 and the lower plate 12, it has been confirmed that the pressure resistance reaches 10 tons or more. Moreover, since the entire structure is made of cardboard, it is not only recyclable, but also does not cause pollution when incinerated and disposed of. Further, since it is made of cardboard, it is possible to provide a transport pallet at low cost.

Next, a second embodiment will be described with reference to FIGS. In this embodiment, an upper auxiliary plate 29 is arranged below the upper plate 11 and a lower auxiliary plate 30 is arranged above the lower plate 12. The upper holding plate 31 is joined to the lower side of the upper auxiliary plate 29, and the lower holding plate 32 is joined to the upper side of the lower auxiliary plate 30.

The upper and lower holding plates 31 and 32 have holding pieces 33 cut and raised at positions where the connecting block 16 is to be mounted.
7 is formed by such a holding piece 33 as shown in FIG.
As shown in FIG. 8, the side surface of the connection block 16 interposed between the upper plate 11 and the lower plate 12 is held so as to be clamped. The holding pieces 33 are glued and fixed to both side surfaces of the connection block 16.

According to such an embodiment, the upper plate 11
The holding block 33 formed by cutting and raising the connecting block 16 interposed between the holding plate 31 and the lower plate 12 on the holding plates 31 and 32, respectively.
As a result, the holding structure of the connecting block 16 with respect to the upper plate 11 or the lower plate 12 becomes extremely stable. Further, since the side surface of the connection block 16 is covered by the holding piece 33, the connection block 16 is reinforced by the holding piece 33, thereby increasing the strength.

Next, a third embodiment will be described with reference to FIGS.
It will be explained by. In this embodiment, positioning plates 13 and 14 are arranged on the lower surface of the upper plate 11 and the upper surface of the lower plate 12, respectively, and as far as this is concerned, it is the same as the first embodiment. That is, the upper and lower positioning plates 13, 1
The connection block 16 is interposed between the upper plate 11 and the lower plate 12 while being positioned by the notch 15 formed in the fourth plate 4.

In this case, especially, the connecting block 16 is
9 and / or a reinforcing plate 40. The reinforcing plate 39 is combined with the connection block 16 so as to extend from one side surface of the connection block 16 to the upper and lower surfaces. On the other hand, the reinforcing plate 40 is attached to one side surface of the connection block 16.
9 and 10, the connecting blocks 16 arranged on both sides are provided with a reinforcing plate 39 and a reinforcing plate 40.
And is to be reinforced. On the other hand, the connecting blocks 16 in the center row are provided with reinforcing plates 40 from both sides thereof.
To be reinforced.

The connecting block 16 reinforced by the reinforcing plates 39 and 40 is positioned at the notch 15 of the positioning plates 13 and 14. At this time, the reinforcing plates 39 and 40 are glued and fixed to the lower surface of the upper plate 11 or the upper surface of the lower plate 12 with the reinforcing plates 39 and 40 being positioned in the notches 15. Therefore, the connection structure to the upper plate 11 or the lower plate 12 of the connection block 16 is further strengthened, and the upper plate 11 or the lower plate 1
The displacement of the connecting block 16 with respect to 2 does not occur. In addition, the reinforcing plates 39 and 40 can increase the pressure resistance load, and can be applied to the transfer of a heavier article.

[0021]

According to one aspect of the present invention, a plurality of cutting lines parallel to each other in a direction intersecting a step of a corrugated cardboard are provided on a transport pallet having a connecting block interposed between an upper plate and a lower plate. And forming a connecting portion for partially connecting the respective cutting lines, forming a connecting block by alternately bending and overlapping the cutting lines at the cutting lines and joining them together. They are fixed to the plate and the lower plate, respectively.

Therefore, according to such a transport pallet, the connecting block is assembled by alternately bending the corrugated cardboard in the opposite direction and joining them together, and the connecting block made of corrugated cardboard is lightweight. Can be achieved. If the upper plate and the lower plate are also made of cardboard, a lighter and inexpensive transport pallet can be provided.

[Brief description of the drawings]

FIG. 1 is a plan view of an upper plate of a transfer pallet.

FIG. 2 is a plan view of a positioning plate.

FIG. 3 is a developed plan view of the connection block.

FIG. 4 is a perspective view showing assembling of a connection block.

FIG. 5 is an exploded perspective view of the transport pallet.

FIG. 6 is an assembled perspective view of a transport pallet.

FIG. 7 is an exploded perspective view of a transport pallet according to a second embodiment.

FIG. 8 is an external perspective view of the transport pallet.

FIG. 9 is an exploded perspective view of a transport pallet according to a third embodiment.

FIG. 10 is an external perspective view of the transport pallet.

[Explanation of symbols]

 Reference Signs List 11 upper plate 12 lower plate 13 positioning plate (upper) 14 positioning plate (lower) 15 notch 16 connecting block 20 cardboard 21 cutting line 22 cut 23 connecting portion 24 glue 29 auxiliary plate (upper) 30 auxiliary plate (lower) 31 holding Plate (upper) 32 Holding plate (lower) 33 Holding piece 39, 40 Reinforcing plate

Continuation of front page (72) Inventor Ryo Konishi 1-3-1 Uchisaiwaicho, Chiyoda-ku, Tokyo East Kanko Kogyo Co., Ltd. F term (reference) 3E063 AA04 BA10 CA05 CA08 EE03 GG10

Claims (7)

[Claims] 1. A conveying pallet having a connecting block interposed between an upper plate and a lower plate, wherein a plurality of cutting lines parallel to each other are formed in a direction intersecting a step of a corrugated cardboard. Forming a connecting portion that partially connects the cutting line, forming the connecting block by alternately bending and overlapping in the opposite direction at the cutting line to form the connecting block, A transport pallet, which is fixed to a plate. 2. The pallet according to claim 1, wherein a cutting line is formed at a right angle to a step of the corrugated cardboard for assembling the connecting block. 3. The connecting block is fixed to an upper plate and a lower plate, respectively, in a state where the steps of the cardboard for assembling the connecting block are arranged so as to extend in the height direction. The pallet for conveyance described in 1. 4. The positioning plate according to claim 1, wherein a positioning plate is disposed inside the upper plate and / or the lower plate so as to overlap with the lower plate, and the connecting block is disposed in a notch of the positioning plate. The pallet for conveyance described in 1. 5. A holding plate is arranged inside the upper plate and / or the lower plate so as to be overlapped with the upper plate and / or the lower plate, and the connecting block is held by holding pieces formed by cutting and raising the holding plate. The transport pallet according to claim 1, wherein the holding plate is fixed to an upper plate and / or a lower plate. 6. The transport pallet according to claim 1, wherein a reinforcing plate is joined to the connecting block assembled by bending the cardboard. 7. The transport pallet according to claim 6, wherein the reinforcing plate is joined to the connecting block in a state of being bent in a U-shape.