JP2020006967A - Ultrathin palette - Google Patents

Abstract

To provide a blow-molded ultrathin palette thinner than conventional ones and having enough strength durable against a carrying load with a single unit.SOLUTION: A blow-molded synthetic resin ultrathin palette 1 includes an upper board part 11 and a lower board part 12 each formed roughly in a rectangular shape and arranged in parallel, and an outer peripheral wall part 13 connecting outer peripheral edges of the upper board part 11 and the lower board part 12. The outer peripheral wall part 13 has first protrusions 21 protruded outward and recesses 22 retreated inward. The first protrusions 21 and the recesses 22 are alternately arranged along the outer peripheral edges of the upper board part 11 and the lower board part 12.SELECTED DRAWING: Figure 1

Description

  The present invention relates to an ultra-thin pallet made of blow-molded synthetic resin.

  In the field of logistics, wooden or resin pallets are often used when carrying or storing luggage (for example, see Patent Documents 1 and 2). If you put the load on the pallet, you can easily carry the load on the pallet with a forklift, and you can store many loads in a limited space by stacking the load on the pallet several times vertically. Because it can be.

JP 2012-066871 A JP 2008-273587 A

By the way, when stacking and storing luggage placed on a pallet, the pallet is left as it is sandwiched between upper and lower luggage. If the height of the storage space for luggage is limited, if pallets are left on the stacked luggage, the pallets will occupy the storage space (height) of the luggage by that number. In some cases, the number of luggage that can be stored is smaller than when the baggage was not stored.
Actually, it cannot be avoided that the pallets remain, but from the above viewpoint, it is clear that the pallets should be as thin as possible.

  SUMMARY OF THE INVENTION In view of the above circumstances, an object of the present invention is to provide an ultra-thin pallet which is thinner than conventional ones and has sufficient strength to withstand a load even by itself.

The first aspect of the present invention is a blow-molded ultra-thin pallet having a hollow structure made of blow-molded synthetic resin,
A first plate-shaped part formed in a substantially rectangular shape, a second plate-shaped part formed in a substantially rectangular shape and provided substantially in parallel with the first plate-shaped part, and the first plate-shaped part; An outer peripheral wall connecting the outer peripheral edges of the second plate-shaped portion,
The outer peripheral wall portion has a convex portion protruding outward and a concave portion receding inward, and the convex portions and the concave portions are alternately arranged along the outer peripheral edge.
Since the convex portions and the concave portions are alternately arranged on the outer peripheral wall portion, the bending of the outer peripheral wall portion is suppressed, and the strength of the outer peripheral wall portion is increased, so that the rigidity of the pallet can be increased.

  A second aspect of the ultra-thin pallet of the present invention, in the first aspect, connects the first plate-like part and the second plate-like part, and forms the first and second plate-like parts. It further has a plurality of inner ribs extending in a first direction parallel to one side, and the distance from the end of the inner rib in the first direction to the inner surface of the outer peripheral wall portion is the first and second. It may be longer than the distance between the plate portions.

According to a third aspect of the ultra-thin pallet of the present invention, in the second aspect, a fork insertion opening for inserting a forklift claw is formed on the outer peripheral wall portion, and the inner rib is provided with the claw of the claw. An arrangement for guiding insertion may be employed.
In a fourth aspect of the ultra-thin pallet of the present invention, in the third aspect, one of the first plate-shaped portion and the second plate-shaped portion is provided on a side opposite to the fork insertion port. It may have an inclined portion which is located and whose height becomes lower as it goes away from the fork insertion opening.

  A fifth aspect of the ultra-thin pallet of the present invention is the ultra-thin pallet according to any one of the first to fourth aspects, wherein a height in a direction in which the first plate portion and the second plate portion are separated from each other is 100 mm or less. It may be.

A sixth aspect of the ultra-thin pallet of the present invention is a blow-molded ultra-thin pallet having a hollow structure made of blow-molded synthetic resin,
A first plate-shaped part formed in a substantially rectangular shape, a second plate-shaped part formed in a substantially rectangular shape and provided substantially in parallel with the first plate-shaped part, and the first plate-shaped part; An outer peripheral wall connecting the outer peripheral edges of the second plate-shaped portion,
The ratio of the length of at least one side of the first or second plate-shaped portion to the height in the direction in which the first plate-shaped portion and the second plate-shaped portion are separated from each other is 11 or more,
The height in the direction in which the first plate portion and the second plate portion are separated from each other is 100 mm or less.

  In a seventh aspect of the ultra-thin pallet of the present invention, in the sixth aspect, a reinforcing portion may be provided between the first and second plate-shaped portions and on the outer peripheral wall portion.

  According to an eighth aspect of the ultra-thin pallet of the present invention, in the sixth or seventh aspect, a fork insertion opening for inserting a forklift claw is formed between the first and second plate-like portions. You may.

  According to the ultra-thin pallet of the present invention, since the convex portions and the concave portions are alternately arranged on the outer peripheral wall portion, the bending of the outer peripheral wall portion is suppressed, and the strength of the outer peripheral wall portion is increased. A highly rigid pallet can be provided. Thereby, when stacking the luggage loaded on the pallet and storing it, the height of the portion occupied by the pallet becomes smaller than the height of the stacked luggage. Therefore, even if the height of the storage space for luggage is limited, the number of luggage that can be stored does not decrease. In other words, as much as the pallets can be made thinner, it is possible to stack and store more luggage than using flat pallets in the past.

It is a perspective view showing an embodiment of an ultra-thin pallet concerning the present invention. It is a plane sectional view showing an ultra-thin pallet. (A) is a front view of the ultra-thin pallet, and (b) is a rear view of the pallet. (A) is an AA sectional view of the ultra-thin pallet shown in FIG. 3 (b), (b) is a BB sectional view, and (c) is a CC sectional view. It is a schematic diagram which shows the process of blow molding. It is a perspective view which shows the intermediate molded object of the ultra-thin pallet immediately after blow molding. It is the perspective view which shows the modification of an ultra-thin pallet, and is the figure which looked at the same pallet from the lower plate part side.

Hereinafter, an ultra-thin pallet (hereinafter, simply referred to as a pallet) 1 according to an embodiment of the present invention will be described with reference to the drawings. Various dimensions and the like shown in the following description are examples.
1 to 6 are views showing a pallet 1 according to an embodiment of the present invention.
The pallet 1 is a cargo handling table on which a load is carried and transported or stored. The pallet 1 may be stacked in a plurality of stages with a bag-like load or a carton box placed thereon.

The pallet 1 has a one-piece structure integrally formed by blow molding a synthetic resin. As the synthetic resin, a thermoplastic resin is used. For example, it is a polyolefin resin such as polyethylene or polypropylene, a polyamide resin, a polyethylene terephthalate resin, a polybutylene terephthalate resin, a polystyrene resin, an ABS resin, a polycarbonate resin, a modified polyphenylene oxide resin, or a resin obtained by blending them.
Specifically, a blend of high density polyethylene (High Density Polyethylene, abbreviated as PE-HD) and polypropylene (polypropylene, abbreviated as PP) is used. For example, a mixed resin material containing 90% by weight of HXM50100 of Marlex (registered trademark) and 10% by weight of a prime polymer E185G is used.

  The pallet 1 has a square thin plate shape in which a vertical direction (first direction) parallel to one side is 1120 mm, a horizontal direction (second direction) perpendicular to the vertical direction is 1120 mm, and a height (thickness) direction is 30 mm. That is, the pallet 1 is a box-shaped body having the internal space S. Hereinafter, the height of each part of the pallet 1 means a dimension in a direction in which the upper plate part 11 and the lower plate part 12 are separated, that is, a dimension in a thickness direction of the pallet 1.

  The pallet 1 includes an upper plate portion (first plate portion) 11 for supporting a load, a lower plate portion (second plate portion) 12 which is in close contact with a floor or the like, an upper plate portion 11 and a lower plate portion. And an outer peripheral wall portion 13 connecting the outer peripheral edges of the outer peripheral wall 12 to each other. The upper plate portion 11 and the lower plate portion 12 each have a rectangular flat plate shape, and are arranged in parallel and opposed to each other with the internal space S of the pallet 1 interposed therebetween.

The length of one side in the vertical direction of the pallet 1 is preferably 500 to 2000 mm, and the length of one side in the horizontal direction is preferably 500 to 2000 mm. The height (thickness) of the pallet 1 is preferably 30 to 100 mm, but may be smaller than 30 mm as long as the strength is sufficiently ensured.
Further, the pallet 1 has a ratio of one of the length of one side in the vertical direction to the height or the length of one side in the horizontal direction to the height, assuming that the dimensions in the three directions fall within the respective ranges. Is preferably 11 or more.

  The thickness of the upper plate 11 and the lower plate 12 is preferably 1.0 to 5.0 mm, more preferably 1.0 to 3.0 mm. The distance between the upper plate 11 and the lower plate 12 (that is, the height of the internal space S) is preferably 24.0 to 90.0 mm. In the present embodiment, the thickness of the upper plate 11 and the lower plate 12 is 3.0 mm, respectively, so that the height of the internal space S is 24.0 mm.

  The outer peripheral wall portion 13 is a portion that connects the outer peripheral edges of the upper plate portion 11 and the lower plate portion 12, and stands upright between the upper plate portion 11 and the lower plate portion 12. The outer peripheral wall portion 13 is formed in a square ring shape along the outer peripheral edges of the upper plate portion 11 and the lower plate portion 12. The thickness of the outer peripheral wall 13 is about 3 mm.

  At the center in the height direction of the outer peripheral wall portion 13, a flange 14 is provided over the entire circumference. The flange 14 has a protrusion length of about 10 mm and a thickness (height) of about 3 mm. At the top of the flange 14, a parting line formed during blow molding appears.

  The pallet 1 has a pair of fork insertion holes 15 in the outer peripheral wall 13 at the front. The fork insertion hole 15 is an opening communicating with the internal space S, and is provided for inserting a claw or the like of a forklift toward the internal space S. The fork insertion hole 15 has a lateral length (inner dimension) of 240 mm and a height (inner dimension) of 24 mm. The insertion direction of the forklift claw from the fork insertion hole 15 is along the length direction of an inner rib 16 described later, and the inner rib 16 does not hinder the insertion of the claw.

  The outer peripheral wall portion 13 has a plurality of first convex portions 21 protruding outward and a plurality of concave portions 22 retreating inward. The first convex portions 21 and the concave portions 22 are alternately arranged along the circumferential direction (vertical direction and horizontal direction). The first convex portions 21 are arranged over the entire length of each outer peripheral wall portion 13 (ie, the entire circumference of the pallet 1) except for the four corners. The recess 22 is arranged over the entire area (entire circumference) of the outer peripheral wall 13. That is, the four corners are included in the recess 22.

  The first convex portion 21 is formed in a state where the resin material is solidly packed, has a length in the circumferential direction of about 40 mm, and a height including the flange 14 of about 24 mm. The recess 22 has a circumferential length of about 25 mm and a height including the flange 14 of about 30 mm. The step between the first convex portion 21 and the concave portion 22 (in the thickness direction of the outer peripheral wall portion 13) is about 8 mm. Each of the first convex portion 21 and the concave portion 22 has a vertically symmetric shape with the flange 14 interposed therebetween. The height of the first protrusion 21 is smaller than that of the pallet 1. For this reason, the first convex portion 21 has a step of about 3 mm between the upper plate portion 11 and the lower plate portion 12.

  As shown in FIGS. 4A and 4B, the first convex portion 21 is disposed at substantially the same position as the top of the flange 14. The recess 22 is arranged at the same position as the base of the flange 14. That is, the protrusion length of the flange 14 in the recess 22 is about 10 mm, and the protrusion length of the flange 14 in the first protrusion 21 is about 2 mm.

  As described above, the outer peripheral wall portion 13 has the plurality of first convex portions 21 and the plurality of concave portions 22, and the first convex portions 21 and the concave portions 22 are alternately arranged along the entire length (entire circumference). For this reason, the outer peripheral wall portion 13 has higher strength (bending rigidity, torsional rigidity, and compression rigidity (in the height direction)) than before.

  A stacking stopper 26 is provided on the outer peripheral wall 13. The stacking stopper 26 is a part that prevents a vertical and horizontal displacement when the pallets 1 are overlapped. Further, the outer peripheral wall portion 13 has a second convex portion 25, and a stacking stopper 26 is provided on the second convex portion 25.

  As shown in FIG. 4C, the second convex portion 25 is a portion formed in a state where the resin material is solidly packed like the first convex portion 21 and protrudes outward, and the other convex portion 25 is formed. They are alternately arranged with the one convex portion 21 with the concave portion interposed therebetween. Four second convex portions 25 are provided on each of the outer peripheral wall portions 13 on the left surface, the right surface, and the rear surface. The second convex portion 25 is not arranged on the outer peripheral wall portion 13 on the front.

Unlike the first convex portion 21, the second convex portion 25 is disposed on one of the upper and lower sides with respect to the flange 14. The upper second convex portion 25A and the lower second convex portion 25B are formed vertically symmetrically. The second protrusion 25 has a circumferential length of about 100 mm and a height of about 18 mm (including the stacking stopper 26). The step between the second convex portion 25 and the concave portion 22 (in the thickness direction of the outer peripheral wall portion 13) is about 8 mm.
The height of the second convex portion 25 is approximately 15 mm excluding the flange 14, and protrudes approximately 2 mm in the height direction from the upper plate portion 11 (or the lower plate portion 12). This is for supporting the force applied to the stacking stopper 26.

  The upper second convex portion 25A and the lower second convex portion 25B are alternately arranged in the circumferential direction. In each of the outer peripheral wall portions 13 on the left, right, and rear surfaces, the second convex portions 25A are arranged at a distance of about 480 mm in the circumferential direction. On the other hand, the second convex portions 25B are arranged at a distance of about 280 mm.

  The upper surface of the second convex portion 25A protrudes above the upper plate portion 11. The projecting portion is the stacking stopper 26A. The lower surface of the second convex portion 25B protrudes below the lower plate portion 12. The projecting portion is the stacking stopper 26B. That is, the stacking stoppers 26A and 26B are formed on the outer peripheral side of the upper plate portion 11 and the lower plate portion 12 to have a length of about 100 mm, a width of about 8 mm, and a protrusion amount of about 3 mm.

  As described above, the second convex portions 25A and the second convex portions 25B are alternately arranged in the circumferential direction. Therefore, when the two pallets 1 are overlapped with each other, the stacking stopper 26A of the lower pallet 1 fits into contact with the lower surface of the second convex portion 25A of the upper pallet 1.

At the same time, the stacking stopper 26B of the upper pallet 1 is fitted so as to be in contact with the upper surface of the second convex portion 25B of the lower pallet 1.
The stacking stoppers 26A, 26B are accommodated in steps of about 3 mm formed between the upper plate portion 11 and the first convex portion 21 and between the lower plate portion 12 and the first convex portion 21, respectively.

  By doing as described above, the movement of the stacked pallets 1 in the circumferential direction and inward is restricted. Since the stacking stoppers 26 are provided on the outer peripheral wall portions 13 on the left side, right side, and back side, when a large number of pallets 1 are stored in a stacked state, movement in directions other than the vertical direction is regulated and stabilized.

As shown in FIGS. 2 and 3, the pallet 1 has a plurality of inner ribs 16 between the upper plate 11 and the lower plate 12 (internal space S). Eight inner ribs 16 are formed on the pallet 1 of the present embodiment.
The inner rib 16 stands upright with respect to the upper plate part 11 and the lower plate part 12, and connects the upper plate part 11 and the lower plate part 12. The plurality of inner ribs 16 extend parallel to each other along the longitudinal direction.

  The inner rib 16 is arranged so as to avoid a position facing the fork insertion hole 15. This is to secure a space for inserting a forklift claw or the like. As shown in FIG. 5, the inner rib 16 is formed by disposing a parison (thermoplastic resin preform) P in the cavity 41 of the mold 40 at the time of blow molding (FIG. 5A). The blade B1 is formed by inserting the blade B1 toward P (FIG. 5B) and then slowly pulling out the blade. When the blade B1 is pulled out, the resin material is compressed from both sides by the high-pressure gas injected into the parison P. Then, the gap occupied by the blade Bl is crushed to become the inner rib 16 (FIG. 5C).

The inner rib 16 has a longitudinal length of 1050 mm, a height of 24 mm, and a thickness (lateral direction) of 7 mm. The inner rib 16 is arranged at a certain distance from the outer peripheral wall 13 in the longitudinal direction.
The distance L from the longitudinal end of the inner rib 16 to the inner surface of the outer peripheral wall 13 is 24 mm (or 30 mm) or more (see FIG. 2). That is, it is equal to the distance between the upper plate 11 and the lower plate 12, that is, the height of the internal space S. The distance L may be larger than the height of the internal space S. However, if the distance L is smaller than the height of the internal space S, it becomes difficult for the gas to reach the inside during blow molding, and the blow molding cannot be performed reliably. Because there is.
The distance from the inner rib 16 to the outer peripheral wall 13 is preferably 100 mm or less. This is because the compression rigidity of the pallet 1 decreases.

  As shown in FIG. 6, the fork insertion hole 15 is not formed in the intermediate molded body 1a of the pallet 1 immediately after the pallet 1 is blow-molded. A rectangular tube-shaped box-like portion 17 protruding outward from the outer peripheral wall portion 13 is formed on one of the two outer peripheral wall portions 13 of the outer peripheral wall portion 13 of the intermediate molded body 1a which are separated from each other in the longitudinal direction of the inner rib 16. Is done. The box-shaped portion 17 corresponds to the base portion of the parison P, and high-pressure gas is injected into the parison through this portion during blow molding. By cutting off the entire box 17 along the outer peripheral wall 13, a fork insertion hole 15 is opened in the outer peripheral wall 13.

(Modification)
As shown in FIG. 7, an inclined portion 19 may be formed on the lower plate portion 12 (or the upper plate portion 11) along the outer peripheral wall portion 13 on the back side. The inclined portion 19 is formed so that the thickness of the pallet 1 gradually decreases as the distance from the fork insertion hole 15, that is, the height of the pallet 1 decreases as the distance from the fork insertion hole 15 increases.
By forming the inclined portion 19, the pallet 1 can be easily inserted between the stacked packages.

As described above, according to the present embodiment, the outer peripheral wall portion 13 has the first convex portion 21 protruding outward and the concave portion 22 receding inward, and the first convex portion 21 and the concave portion 22 are arranged in the circumferential direction. Are alternately arranged along. Thereby, the strength (bending rigidity, torsional rigidity, compression rigidity) of the outer peripheral wall portion 13 can be reliably improved.
That is, since the first convex portions 21 and the concave portions 22 are alternately arranged on the outer peripheral wall portion 13, the bending of the outer peripheral wall portion 13 is suppressed and the strength is increased, so that the height (thickness) of the pallet 1 is reduced. Even if the pallet 1 is made as thin as possible, the rigidity of the entire pallet 1 can be increased. Further, the strength of the pallet 1 can be sufficiently increased only by arranging the rows of the inner ribs without giving a complicated structure to the internal space S. Thereby, the pallet 1 secures sufficient strength and thinness even if the ratio of the length of one side in the vertical direction to the height or the length of one side in the horizontal direction to the height is 11 or more. can do. As a result, the same strength as the conventional flat pallet can be imparted to the pallet 1, and the pallet 1 can be used as a conventional flat pallet by using a normal forklift.

  Further, even if the pallets 1 are stacked together with the load, the height occupied by the pallets 1 is reduced, so that the bulk occupied by the load in the load storage space can be increased by that amount, and the storage efficiency can be improved. For example, when stacking the luggage loaded on the pallet 1 and storing it, the height of the portion occupied by the pallet 1 is smaller than the height of the stacked luggage. Therefore, even if the height of the storage space for luggage is limited, the number of luggage that can be stored does not decrease. In other words, as much as the pallet 1 can be made thinner, it is possible to stack and store more luggage than using a conventional flat pallet. In addition, when the luggage is transported on a truck or a wagon, the loading efficiency is greatly improved.

  In addition, since the pallet 1 is manufactured by blow molding, the mold is inexpensive as compared with injection molding, and since the inner space S is merely formed with an inner rib having a simple shape, the shape of the mold is small. Due to the fact that it is not complicated, the strength can be improved while suppressing a rise in manufacturing cost. Further, the arrangement and shape of the inner rib can be easily changed.

  Further, in the pallet 1, the outer peripheral wall portion 13 has second convex portions 25 (25A, 25B) projecting outward and symmetrically arranged in the height direction and alternately arranged in the circumferential direction. A stacking stopper 26 protruding from the outer edge of the second convex portion 25 in the height direction is provided. Thereby, when many pallets 1 are stored in a stacked state, the horizontal movement of the pallets 1 that are in contact with each other up and down is regulated and stabilized.

  The inner space S has a plurality of inner ribs 16 extending in parallel in the vertical direction, and the distance from both ends of the inner ribs 16 to the outer peripheral wall portion 13 is equal to or greater than the height of the inner space S. Thereby, the blow molding of the pallet 1 can be reliably performed while the strength of the pallet 1 is improved by the inner ribs 16.

  By the way, in the said embodiment and modification, the example which formed two fork insertion holes 15 in the outer peripheral side with the pallet 1 was shown. Although the number of the fork insertion holes 15 depends on the structure of the forklift that transports the pallet 1, the number of claws of the forklift is not limited to two. For example, if a flat pallet is transported using a forklift having three claws, three fork insertion holes 15 are naturally required. Therefore, the number of fork insertion holes 15 of the pallet 1 is not limited to two.

  Also, for example, in the case of a forklift having three claws, assuming that the loadable weight is the same, the withstand load per claw is 2/3 of that of a forklift having two claws. The thickness of the nail can be reduced. And, if the thickness of the nail can be reduced, the pallet 1 can be reduced accordingly. For example, if the thickness of the nail can be set to 20 mm, the height of the internal space S can be set to 20 mm, the thickness of the upper plate 11 and the lower plate 12 can be set to 2.5 mm, and the thickness of the pallet 1 can be set to 25 mm. It is.

  The present invention provides a first plate-like portion formed in a substantially rectangular shape, a second plate-like portion formed in a substantially rectangular shape and provided substantially in parallel with the first plate-like portion, An outer peripheral wall connecting the outer peripheral edges of the plate-shaped portion and the second plate-shaped portion, wherein the outer peripheral wall has a convex portion projecting outward and a concave portion receding inward; Related to thin pallets. According to the present invention, since the convex portions and the concave portions are alternately arranged on the outer peripheral wall portion, the bending of the outer peripheral wall portion is suppressed, so that the strength of the outer peripheral wall portion is increased, while maintaining high rigidity. The pallet can be formed thin.

1 pallet (ultra-thin pallet),
11 upper plate part (first plate part),
12 lower plate part (second plate-shaped part),
13 outer wall,
14 Tsuba,
15 fork insertion hole,
16 inner ribs,
19 slope,
21 first convex portion,
22 recess,
25, 25A, 25B second convex portion,
26, 26A, 26B Stacking stopper,
P Parison,
S Internal space

Claims (8)

An ultra-thin pallet having a hollow structure made of blow-molded synthetic resin,
A first plate-like portion formed in a substantially rectangular shape;
A second plate-like part formed in a substantially rectangular shape and provided substantially in parallel with the first plate-like part;
An outer peripheral wall connecting the outer peripheral edges of the first plate-shaped portion and the second plate-shaped portion,
An ultra-thin pallet, wherein the outer peripheral wall portion has a convex portion protruding outward and a concave portion receding inward, and the convex portions and the concave portions are alternately arranged along the outer peripheral edge. The apparatus further includes a plurality of inner ribs that connect the first plate-shaped part and the second plate-shaped part and extend in a first direction parallel to one side of the first and second plate-shaped parts. ,
2. The ultra-thin pallet according to claim 1, wherein a distance from an end of the inner rib in the first direction to an inner surface of the outer peripheral wall is equal to or longer than a distance between the first and second plate-shaped portions. . A fork insertion opening for inserting a forklift claw is formed in the outer peripheral wall portion,
The ultra-thin pallet according to claim 2, wherein the inner rib is arranged to guide insertion of the claw.   One of the first plate-shaped portion and the second plate-shaped portion has an inclined portion which is located on the opposite side to the fork insertion opening and whose height becomes lower as the distance from the fork insertion opening becomes smaller. An ultra-thin pallet according to claim 3.   The ultra-thin pallet according to any one of claims 1 to 4, wherein a height in a direction in which the first plate portion and the second plate portion are separated from each other is 100 mm or less. An ultra-thin pallet having a hollow structure made of blow-molded synthetic resin,
A first plate-like portion formed in a substantially rectangular shape;
A second plate-like part formed in a substantially rectangular shape and provided substantially in parallel with the first plate-like part;
An outer peripheral wall connecting the outer peripheral edges of the first plate-shaped portion and the second plate-shaped portion,
The ratio of the length of at least one side of the first or second plate-shaped portion to the height in the direction in which the first plate-shaped portion and the second plate-shaped portion are separated from each other is 11 or more,
An ultra-thin pallet, wherein a height in a direction in which the first plate portion and the second plate portion are separated from each other is 100 mm or less.   The ultra-thin pallet according to claim 6, further comprising a reinforcing portion between the first and second plate-shaped portions and on the outer peripheral wall portion.   The ultra-thin pallet according to claim 6 or 7, wherein a fork insertion opening for inserting a claw of a forklift is formed between the first and second plate portions.

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