JP2008179395A - Pallet - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a pallet having a simple water-resistant structure and capable of inhibiting an article such as a packing case arranged thereon from undergoing deterioration in the strength of the article. <P>SOLUTION: The pallet 10 comprises a bottom plate member 12. On the bottom plate member 12, a top plate member 14 is arranged in parallel to the bottom plate member 12 at a predetermined interval. Between the bottom plate member 12 and the top plate member 14, leg members 16 for connecting the bottom plate member 12 and the top plate member 14 are arranged. On the top plate member 14, article supporting members 20A and 20B are arranged. On the upper faces of the article supporting members 20A and 20B, supporting recessed parts 24a and 24b for supporting a specified article are provided. Between the top plate member 14 and the article supporting members 20A and 20B, a sheet-like member 34 with water resistance is arranged so as to cover the whole undersurface of the article supporting members 20A and 20B. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to a pallet, and in particular, for example, an image forming apparatus such as a copying machine and a printer and other OA equipment, or a paper packaging case such as a cardboard box containing various electronic devices, etc. The present invention relates to a pallet used for transportation or storage.

The conventional paper pallet used as the background of the present invention is a pallet made of loading paper, which is used for moving with a forklift, for example, and has strength against stacking pressure and water resistance (for example, Patent Documents) 1). In this loading paper pallet, for example, a cylindrical paper tube is used for the portion of the getter attached to the substrate (corresponding to the leg portion of the pallet), and the bottom and side surfaces of the paper tube are covered with a cover, The paper tube attachment points are reinforced. In this case, the paper tube and the cover are bonded to the substrate with waterproof glue, and in addition, a pin such as a stitcher ("U" shaped stapler needle) is attached to the cover adhesive piece to reinforce the mounting state of the cover. It is designed to be inserted and fixed.
The conventional corrugated cardboard pallet as the background of the present invention has a pallet leg made of water-resistant paper in order to increase water resistance, or a cardboard water repellent, paper waterproof water repellent. Some of the pallet legs are coated with a water-resistant agent such as a chemical.

JP 2003-191955 A

However, in the water-resistant specification of the conventional paper pallet shown in Patent Document 1, for example, the cover mounting structure for reinforcing the mounting state of the legs is complicated, that is, this is placed on the pallet. In other words, the waterproof structure for the packing case is complicated. In addition, other conventional corrugated cardboard pallets are subjected to special water-resistant processing on the leg portions, so that the manufacturing cost is high.
On the other hand, there is a demand for preventing deterioration due to a decrease in strength of a paper packaging case such as a cardboard box placed on the pallet due to water absorption due to wetness of the legs of the pallet.

  Therefore, a main object of the present invention is to provide a pallet having a simple water-resistant structure and capable of preventing strength deterioration of an article such as a packing case disposed thereon.

The present invention according to claim 1 is disposed between the bottom plate member, the top plate member disposed in parallel with the bottom plate member at a predetermined interval on the bottom plate member, and the bottom plate member and the top plate member, A leg member for connecting the bottom plate member and the top plate member, a support recess for supporting a predetermined article arranged on the upper surface of the leg member, an article support member arranged on the top plate member, the top plate member and the article support It is a pallet characterized by including the sheet-like member which has water resistance arrange | positioned so that at least the whole lower surface of an article | item support member may be covered between members.
In the present invention according to claim 1, the bottom plate member and the top plate member are connected and supported in parallel in the vertical direction with a predetermined interval by the leg member. The predetermined article that can be transported and stored on the pallet is arranged and supported on the upper surface of the support recess of the top plate member. In this case, the water-resistant sheet-like member is disposed between the top plate member and the article support member so as to cover the entire lower surface of the article support member. Therefore, in the present invention according to claim 1, even when the pallet is placed, for example, in a place where there is a puddle, water from the outside does not permeate the lower surface of the article support member. Accordingly, the article such as a packaging case made of corrugated cardboard disposed on the upper surface of the support recess of the article support member is prevented from being reduced in strength due to the wetness of the pallet, and further prevented from being deteriorated. The Rukoto. That is, in the present invention according to claim 1, the top plate member and the article support can be provided without special processing such as forming the leg portion of the pallet with water-resistant paper or coating the leg portion with a water-resistant agent. By disposing a sheet-like member having water resistance between the members, a water-resistant structure of a pallet that has a simple structure and can reduce the manufacturing cost can be obtained.
The present invention according to claim 2 is an invention dependent on the invention according to claim 1, and further includes positioning means for positioning the article support member at a predetermined position on the upper surface of the top plate member, A sheet-like member having water resistance, including a positioning recess provided in the member and opened in the upper surface of the top plate member, and a positioning protrusion provided in the lower surface of the article support member and inserted into the positioning recess. The pallet is characterized by being arranged so as to wrap the convex portion and cover the entire lower surface of the article support member.
In the present invention according to claim 2, the article support member is positioned at a predetermined position on the upper surface of the top plate member by the positioning means. That is, the positioning concave portion provided on the lower surface of the article support member is fitted into the positioning concave portion opened on the upper surface of the top plate member, so that the support concave portion of the article support member has a predetermined position on the upper surface of the top plate member. Placed in. Therefore, the article disposed on the upper surface of the support recess is positioned at a predetermined position on the upper surface of the top plate member.
Further, the sheet-like member arranged so as to cover the entire lower surface of the article support member is sandwiched between the positioning concave portion provided on the leg member and the positioning convex portion provided on the lower surface of the article support member. It arrange | positions so that the said positioning convex part may be wrapped. Therefore, even when the pallet is placed in a place where there is a puddle, for example, water from the outside is absorbed by the leg member of the pallet, Can be prevented. Accordingly, the article such as a packaging case made of corrugated cardboard disposed on the upper surface of the support recess of the article support member is prevented from being reduced in strength due to the wetness of the pallet, and further prevented from being deteriorated. The Rukoto.
In this case, the sheet-like member is sandwiched between the positioning concave portion and the positioning convex portion so as to wrap the positioning convex portion, and is arranged so as to cover the entire lower surface of the article support member. The height of the top plate member is larger than the width of the top surface of the top plate member, and the portion (excess portion of the sheet-like member) that protrudes outward from the periphery of the pallet is, for example, the top surface of the support recess of the product support member. If it is wound around the body peripheral surface, even if rubbing occurs between the article and the pallet due to external vibration or the like, it becomes possible to prevent damage such as scratches or dents in the rubbing part. . In particular, it is effective in preventing damage due to rubbing between the peripheral edge of the article and the peripheral edge of the pallet.
The present invention according to claim 3 is an invention subordinate to the invention according to claim 1 or claim 2, wherein the article support member is provided with an impact from outside applied to a predetermined article supported by being arranged in the support recess. The pallet is also used as a cushioning member that relaxes and protects the article.
In the present invention according to claim 3, since the article support member also serves as a buffer member, an impact applied to the article placed in the support recess is mitigated by the function of the article support member as the buffer member. . Therefore, even when an impact from the outside is applied to the article, the article can be protected.

  According to the present invention, a pallet having a simple water-resistant structure and capable of preventing strength deterioration of an article such as a packing case disposed thereon is obtained.

  The above object, other objects, features, and advantages of the present invention will become more apparent from the following description of the best mode for carrying out the invention with reference to the drawings.

  FIG. 1 is an exploded perspective view showing an example of an embodiment of a pallet according to the present invention, FIG. 2 is an enlarged cross-sectional view showing the main part of the pallet shown in FIG. 1, and FIG. FIG. 3 is a perspective view illustrating an example of leg portions of the pallet illustrated in FIG. 2. The pallet 10 according to the present embodiment is formed of paper such as corrugated cardboard, for example, and is used for carrying or storing a packaging case made of corrugated paper containing image forming apparatuses such as a copying machine and a printer. It is suitable for.

  As shown in FIG. 1, the pallet 10 includes, for example, a rectangular bottom plate member 12. A top plate member 14 is disposed on the bottom plate member 12 in parallel with the bottom plate member 12 with a predetermined interval therebetween. The top plate member 14 is formed in substantially the same shape and size as the bottom plate member 12. Between the bottom plate member 12 and the top plate member 14, a plurality of, for example, rectangular parallelepiped leg members 16 are provided between the opposing surfaces with a space therebetween. As shown in FIGS. 1 and 2, the bottom plate member 12 and the top plate member 14 are connected by a plurality of leg members 16 while maintaining a certain interval in the vertical direction.

In this case, one in the central part between the opposing surfaces of the bottom plate member 12 and the top plate member 14, one in each of the four corners between the opposing surfaces, and the middle part of the four sides of the bottom plate member 12 and the top plate member 14 In total, nine leg members 16 are disposed between the bottom plate member 12 and the top plate member 14. Each of these leg members 16 is formed in a rectangular parallelepiped by, for example, winding a strip of corrugated paper 16A a plurality of times, as shown in FIG. 3, in order to give a predetermined strength. The leg member 16 may be formed of, for example, a paper tube having a predetermined strength. If the paper member has a predetermined compressive strength (pressing strength), the structure of the rectangular parallelepiped and the paper tube is used. It is not limited to those.
A fork insertion space portion 18 into which a fork of a forklift is inserted is used, for example, when the forklift is transported or stored, for example, when the bottom plate member 12 and the top plate member 14 are kept at a certain distance. Is provided stably.

Moreover, as shown in FIG. 1, for example, a pair of article support members 20A and 20B is disposed on the top surface of the top plate member 14. The pair of article support members 20A and 20B are for supporting an article (hereinafter simply referred to as “article”) such as a packaging case made of corrugated paper containing a copying machine, a printer, and the like.
Each of the pair of article support members 20A and 20B includes, for example, rectangular parallelepiped support block bodies 22a and 22b. On the upper surfaces of the support block bodies 22a and 22b, support concave portions 24a and 24b having a rectangular shape in plan view are provided, respectively. In this case, the length in the longitudinal direction of one support block body 22a and the other support block body 22b is formed substantially the same as the length in the longitudinal direction of the top plate member 14, respectively, and further, one support block body 22a. As shown in FIG. 1, the other support block body 22b has a symmetrical structure in plan view.

In particular, the pair of article support members 20A and 20B described above are positioned at predetermined positions on the top surface of the top plate member 14 by positioning means 26A and 26B, respectively, as shown in FIG.
That is, one positioning means 26A is provided on the top surface of the top plate member 14 on the two positioning recesses 28a, 28a disposed on one side facing the width direction and on the bottom surface of the one article support member 20A. Two positioning convex parts 30a and 30a are included. Similarly, the other positioning means 26B is provided on the upper surface of the top plate member 14 on the lower side of the other article support member 20B and the two positioning recesses 28b, 28b disposed on the other side facing the width direction. And two positioning projections 30b and 30b.

  The four positioning recesses 28 a, 28 a, 28 b, 28 b are arranged one by one at the four corners on the top surface of the top plate member 14. The four positioning recesses 28a, 28a, 28b, and 28b are, in particular, the four leg members disposed at the four corners between the opposing surfaces of the bottom plate member 12 and the top plate member 14, among the above-described leg members 16. 16 is provided. Further, the two positioning recesses 28a, 28a of one positioning means 26A are provided on one side facing the width direction of the top plate member 14 and on one end side and the other end side in the length direction, respectively, The two positioning recesses 28b, 28b of the positioning means 26B are provided on the other side facing the width direction of the top plate member 14 and on one end side and the other end side in the length direction. In this case, the four positioning recesses 28a, 28a, 28b, and 28b are opened on the top surface of the top plate member 14, for example, in a rectangular shape in plan view, as shown in FIGS.

  Further, the two positioning convex portions 30a, 30a of one positioning means 26A are disposed on one end side and the other end side in the longitudinal direction on the lower surface of the support block body 22a, and the two positioning convex portions 26B of the other positioning means 26B. The portions 30b and 30b are disposed on one end side and the other end side in the longitudinal direction on the lower surface of the support block body 22a.

  Then, when the positioning convex portions 30a and 30a of the one positioning means 26A are fitted into the positioning concave portions 28a and 28a, the one article support member 20A is opposed to the side of the top plate member 14 in the width direction. Is positioned. Further, the positioning convex portions 30b and 30b of the other positioning means 26B are fitted into the positioning concave portions 28b and 28b, so that the one article support member 20B is opposed to the other side of the top plate member 14 in the width direction. Is positioned. Therefore, the pair of article support members 20A and 20B are positioned at predetermined positions on the upper surface of the top plate member 14 by the positioning means 26A and 26B, respectively. In this case, the support recesses 24a and 24b of the pair of article support members 20A and 20B are arranged to face each other, and an article 50 is arranged and supported between the support recesses 24a and 24b, for example, as shown in FIG. It is supposed to be.

  Further, in the pallet according to this embodiment, the pair of article support members 20A and 20B are formed of a material having a buffer function such as foamed polystyrene or a rubber member, for example, and thus the pair of article support members 20A and 20B. Is also used as a buffer member. Therefore, even when an external impact is applied to an article placed and arranged between the support recesses 24a and 24b of the pair of article support members 20A and 20B, the impact is applied to the pair of article support members 20A and 20B. The article is relaxed by the buffering function of the members 20A and 20B, and the article can be protected.

Furthermore, in the pallet according to the present embodiment, in particular, between the top plate member 14 and the pair of article support members 20A, 20B, so as to cover the entire lower surface of at least the pair of article support members 20A, 20B, A sheet-like member 34 having water resistance is disposed. As the sheet-like member 34 having water resistance, for example, a sheet made of polyethylene and polypropylene is used. For example, as shown in FIG. 2, the water-resistant sheet-like member 34 encloses the positioning convex portions 30a and 30a of one positioning means 26A and the positioning convex portions 30b and 30b of the other positioning means 26B, and a pair of The article support members 20A and 20B are disposed so as to cover the entire lower surface.
The size of the sheet-like member 34 is formed larger than the width of the upper surface of the top plate member 14. The sheet-like member 34 is a portion (excess portion of the sheet-like member) that protrudes outward from the peripheral edge of the pallet 10, and is disposed, for example, on the upper surfaces of the support recesses 24a and 24b of the pair of article support members 20A and 20B. It is formed in a size that can be wound around the circumferential surface of the body portion of the article.

  In this case, for example, as shown in FIG. 1, the sheet-like member 34 is placed on the entire upper surface of the top plate member 14, and then, from above the top plate member 14, the positioning protrusions 30 a of the article support members 20 </ b> A and 20 </ b> B are provided. The article support members 20A, 20B are set on the top surface of the top plate member 14 by pushing the 30a, 30b, 30b into the positioning recesses 28a, 28a, 28b, 28b at the four corners of the top plate member 14 and fitting them. is there.

4 is a perspective view showing an example of a packing case formed using the pallet shown in FIG. 1, and FIG. 5 is an exploded perspective view of the packing case shown in FIG.
In the pallet 10 according to the present embodiment, the article 50 is placed and arranged on the upper surfaces of the support recesses 24a and 24b of the pair of article support members 20A and 20B. For example, the fork of the forklift is placed in the fork insertion space 18. Although the article 50 can be transported by being inserted, it is generally preferable to use it as a packaging case 150 configured in combination with the packaging box 100.

  When the pallet 10 is used as a packaging case 150 in combination with the packaging box 100, for example, as shown in FIG. 2, the top plate member 14 preferably has foldable side wall members 32 on its four sides. The four side wall members 32 reinforce the strength of the packaging box 100 and stably hold and fix the packaging box 100 to the pallet 10. In addition, the four side wall members 32 are normally erected vertically from the upper edge of the four sides of the top plate member 14, and the rising height thereof is, for example, from the bottom surface of the bottom plate member 12 as shown in FIG. Preferably, it is formed to have a height up to the upper surface of 14.

On the other hand, the packaging box 100 has a shape and a size that allow the pallet 10 to be housed therein, and a notch 104 that communicates with the fork insertion space 18 of the pallet 10 described above is provided at the lower end thereof. Is provided. The notch 104 is provided so as to communicate with the two fork insertion spaces 18 located on the sides facing the width direction of the pallet 10.
In addition, a folding piece 102 serving as a canopy member of the packaging box 100 is formed at the peripheral edge of the upper end of the packaging box 100. In this case, it is possible to stabilize the accommodation of the article 50 fitted in the packaging box 100 by folding and closing the folding piece 102 and fixing it with a gum tape if necessary.

  In the present embodiment example, in particular, the sheet-like member 34 having water resistance arranged so as to cover the entire lower surface of the pair of article support members 20A and 20B includes four positioning recesses 28a, 28a, 28b, 28b and the four positioning projections 30a, 30a, 30b, 30b provided on the lower surfaces of the article support members 20A, 20B, and the positioning projections 30a, 30a, 30b, Since the pallet 10 is placed in a place where there is a water pool, for example, even when water from the outside is absorbed by the leg member 16 of the pallet 10, the sheet having water resistance is arranged. The shaped member 34 can prevent water from penetrating into the positioning protrusions 30a, 30a, 30b, 30b.

Therefore, the article 50 placed on the upper surfaces of the support recesses 24 a and 24 b of the pair of article support members 20 </ b> A and 20 </ b> B can prevent a decrease in strength due to the wetness of the pallet 10. As a result, deterioration of the article 50 can be prevented.
That is, in this embodiment, the top plate member 14 and the article can be formed without special processing such as forming the leg member 16 of the pallet 10 with water-resistant paper or coating the leg member 16 with a water-resistant agent. By disposing the water-resistant sheet-like member 34 between the support members 20A and 20B, a water-resistant structure of the pallet 10 that has a simple structure and can reduce the manufacturing cost can be obtained. .

  Further, in the present embodiment example, since the size of the sheet-like member 34 is larger than the width of the top surface of the top plate member 14, the portion that protrudes outward from the periphery of the pallet 10 (the surplus of the sheet-like member) The part 50 is wrapped around the periphery of the body part of the article 50 disposed on the upper surface of the support recesses 24a and 24b of the pair of article support members 20A and 20B. Even if rubbing occurs between them, damage such as scratches or dents in the rubbing portion can be prevented. In this case, in particular, damage due to rubbing between the peripheral edge of the article 50 and the peripheral edge of the pallet 10 can be effectively prevented.

  In the embodiment described above, the pair of article support members 20A and 20B are arranged on the top plate member 14, but the article support member is not limited to this. For example, a connecting piece (not shown) for connecting the opposing end faces between the two article support members 20A and 20B shown in FIG. 2 is provided and integrated, and the overall size of the outer shape is seen in plan view. It may be configured to be substantially the same as the outer shape of the top plate member 14.

  Also, the longitudinal intermediate portions of the support block bodies 22a and 22b of the two article support members 20A and 20B shown in FIG. 2 are cut at a predetermined length, and the two article support members 20A and 20B are each, for example, 2 It may be formed by being divided into two planar-view L-shaped members (not shown). In this case, four L-shaped members (not shown) of the two article support members 20 </ b> A and 20 </ b> B have the positioning protrusions 30 a, 30 a, 30 b, and 30 b on the lower surface thereof and the four corner portions on the upper surface of the top plate member 14. By being inserted into the positioning recesses 28a, 28a, 28b, and 28b, they are respectively positioned on the upper surface of the top plate member 14.

Further, if the sheet-like member 34 having water resistance is made of sheet-like polyethylene or polypropylene having a high static friction coefficient, for example, when the pallets 10 are stacked and transported or stored, the overlapping surface of the pallets 10 will be described. It is also possible to prevent the material from slipping and causing load collapse.
That is, in the case of the sheet-like member 34 having a high coefficient of static friction, it has water resistance and also has an anti-slip function.

It is a disassembled perspective view solution figure which shows an example of embodiment of the pallet concerning this invention. It is an expanded sectional solution figure which shows the principal part of the pallet shown in FIG. It is a perspective view solution figure which shows an example of the leg part of the pallet shown in FIG. 1 and FIG. It is a perspective view solution figure which shows an example of the packing case formed using the pallet shown in FIG. It is a disassembled perspective view of the packaging case shown in FIG.

Explanation of symbols

DESCRIPTION OF SYMBOLS 10 Pallet 12 Bottom plate member 14 Top plate member 16 Leg member 18 Fork insertion space part 20A, 20B A pair of article support members 22a, 22b Support block bodies 24a, 24b Support recesses 26A, 26B Positioning means 28a, 28b Positioning recesses 30a, 30b Positioning convex part 32 Side wall member 34 Sheet-like member 50 Article 100 Packaging box 102 Folding piece 104 Notch part 150 Packing case

Claims (3)

Bottom plate member,
A top plate member disposed in parallel with the bottom plate member at a predetermined interval on the bottom plate member;
Leg members that are arranged between the bottom plate member and the top plate member and connect the bottom plate member and the top plate member,
A support recess for supporting a predetermined article disposed on the upper surface thereof; an article support member disposed on the top plate member; and at least the article support between the top plate member and the article support member A pallet comprising a water-resistant sheet-like member disposed so as to cover the entire lower surface of the member. Positioning means for positioning the article support member at a predetermined position on the upper surface of the top plate member;
The positioning means includes
A positioning recess provided in the leg member and opened in an upper surface of the top plate member; and a positioning protrusion provided in a lower surface of the article support member and inserted into the positioning recess.
The pallet according to claim 1, wherein the water-resistant sheet-like member is disposed so as to wrap around the positioning convex portion and cover the entire lower surface of the article support member.   The article support member is also used as a buffer member that protects the article by relaxing an external impact applied to the predetermined article that is arranged and supported in the support recess. Or the pallet as described in 2.

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