JP2001072063A - Pallet made of synthetic resin - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a pallet made of a synthetic resin capable of stacking articles over many stages so as to make the articles placed on lower articles hard to slip. SOLUTION: In the rear surface part 2 of a pallet made of a synthetic resin, anti-slip tapes 71 made of a synthetic resin are provided on horizontal strip-like parts 25, the continuous crosspieces 32a in the cylindrical beams 3 of the corner parts continued to the horizontal strip-like parts 25 and the continuous crosspieces 42a' in the cylindrical beams 4a of intermediate parts and anti-slip tapes 72 made of a synthetic resin are provided on the horizontal strip-like parts 25, the continuous beams 32b' in the cylindrical beams 3 of the corner parts continued to the horizontal strip-like parts 5 and the continuous crosspieces 42b' in the cylindrical beams 4b of the intermediate parts.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a synthetic resin pallet used for carrying various articles.

[0002]

2. Description of the Related Art When transporting various articles, a front part and a back part are connected, and the front part and the back part are connected by a plurality of tubular girders, and a fork insertion hole is formed between the tubular girders. Used synthetic resin pallets are frequently used.

[0003]

However, in the conventional synthetic resin pallet described above, when articles are placed on a synthetic resin pallet and stacked in multiple stages, the upper synthetic pallet placed on the lower article is laid down. There was a drawback that the resin pallet was easily slipped on the lower article. The present invention has been made in consideration of the above points, and provides a synthetic resin pallet that is not slippery on a lower article when articles are placed on a synthetic resin pallet and stacked in multiple stages. As an issue.

[0004]

The invention according to claim 1 is
In a synthetic resin pallet having a front surface portion and a back surface portion, the front surface portion and the back surface portion are connected by a plurality of tubular girders, and a fork insertion hole is formed between the tubular girders, A grid-like bar in which vertical ribs and horizontal ribs intersect is formed on the surface near the entrance of the fork insertion hole, and a horizontal plate-like portion is formed on the back surface near the entrance of the fork insertion hole between the tubular girders. An inclined portion inclined downward from the horizontal plate-shaped portion toward the inlet side of the fork insertion hole, between a lattice-shaped bar provided on the lower surface of the horizontal plate-shaped portion where vertical and horizontal ribs intersect, and two horizontal ribs A pallet made of synthetic resin, wherein a horizontal plate-like portion is cut out to form a horizontal band-like portion flush with the lower end of the horizontal rib.

According to a second aspect of the present invention, there is provided a tubular girder having a front surface portion and a back surface portion, the front surface portion and the back surface portion connecting the corner portions of the front surface portion and the back surface portion, and the front surface portion and the back surface portion. Are connected by an intermediate cylindrical girder connecting the middle parts around the center and a central cylindrical girder connecting the central parts of the front and rear parts, and a fork insertion hole is formed between the cylindrical girders. In a synthetic resin pallet formed in a U-shape and having an opening on the back surface where the fork insertion holes intersect, vertical ribs are formed on the surface between the cylindrical girder at the corner and the cylindrical girder at the middle. A grid-like bar where horizontal ribs intersect is formed, and a horizontal plate-shaped portion on the back surface between the cylindrical girder in the corner portion and the cylindrical girder in the middle portion, an entrance side of the fork insertion hole from the horizontal plate-shaped portion and An inclined portion inclined downward toward the opening side, a lattice in which vertical ribs and horizontal ribs provided on the lower surface of the horizontal plate-like portion intersect Relates to a synthetic resin pallet, wherein the horizontal strip portion which is horizontal plate-shaped part is a notched with transverse ribs of the lower end flush between crosspiece and two lateral ribs are formed.

The invention according to claim 3 relates to the synthetic resin pallet having a synthetic resin non-slip tape provided on a horizontal strip portion.

[0007] The invention according to claim 4 relates to the synthetic resin pallet in which a continuous crosspiece continuous with a horizontal band portion is formed in a tubular girder located on both sides of a fork insertion hole.

[0008] The invention according to claim 5 relates to the synthetic resin pallet in which the synthetic resin non-slip tape is provided on the horizontal band portion and the continuous crosspiece.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Preferred embodiments of a synthetic resin pallet according to the present invention will be described below with reference to the drawings. FIG. 1 is a plan view showing one embodiment of a synthetic resin pallet according to the present invention, FIG. 2 is a bottom view of the synthetic resin pallet shown in FIG. 1, and FIG. 3 is a synthetic resin pallet shown in FIG. FIG. 4 is a front view of the resin pallet, FIG. 4 is a side view of the synthetic resin pallet shown in FIG. 1, FIG. 5 is a cross-sectional view taken along line AA in FIG. 1, and FIG. FIG. 7 is a sectional view taken along line BB in FIG. 1, FIG. 7 is a sectional view taken along line CC in FIG. 1, and FIG. 8 is a sectional view taken along line D in FIG.
9, 10, and 11 are explanatory views illustrating a state in which the synthetic resin pallet illustrated in FIG. 1 is being formed.

The pallet made of synthetic resin has a front surface portion 1 and a back surface portion 2, and the front surface portion 1 and the back surface portion 2 connect cylindrical corners 3 at corners of the front surface portion 1 and the back surface portion 2. A tubular girder 4 at an intermediate portion connecting the intermediate portions around the front surface portion 1 and the rear surface portion 2
a, 4b and a central tubular girder 5 connecting the central portions of the front surface portion 1 and the back surface portion 2 with each other. An opening 21 is provided on the back surface 2 where the insertion holes 6 intersect.

A cylindrical girder 3 at the corner and a cylindrical girder 4a at the middle,
A grid-like bar 11 is formed on the surface portion 1 between the vertical ribs 4b, where a vertical rib 11a extending in the fork insertion direction and a horizontal rib 11b extending in a direction perpendicular to the fork insertion direction intersect. By forming such a grid-shaped bar 11 on the surface portion 1 between the corner tubular girder 3 and the middle tubular girder 4a, 4b, strength can be imparted to the synthetic resin pallet.

A tubular girder 3 at the corner and a tubular girder 4a at the middle,
4b, the rear surface portion 2 includes a horizontal plate-like portion 22, an inclined portion 23 inclined downward from the horizontal plate-like portion 22 toward the inlet side and the opening 21 side of the fork insertion hole 6, and a horizontal plate-like portion. 22
Vertical ribs 2 provided on the lower surface of the fork and extending in the fork insertion direction
Lattice bar 24 and two horizontal ribs 24 where the horizontal ribs 4a intersect with the horizontal ribs 24b extending in the direction perpendicular to the fork insertion direction.
b, the horizontal plate-like portion 22 is cut out to form a horizontal band-like portion 25 which is flush with the lower end of the horizontal rib 24b. The width of the horizontal strip 25 is preferably set to 10 to 50 mm. The cylindrical girder 3 at the corner and the cylindrical girder 4 at the middle
The operability of the hand lifter can be improved by forming such a horizontal plate portion 22 and the inclined portion 23 on the back surface portion 2 between a and 4b. By forming such a grid-like bar 24,
Strength can be imparted to the synthetic resin pallet.

Inside the tubular girder 3 at the corner, a continuous crosspiece 32 extending on the back surface 2 and extending in the front-rear direction and continuous with the horizontal strip 25 is provided.
a ′ is formed and a bar 32a parallel to the bar 32a is formed, and a continuous bar 32b ′ extending in the left-right direction continuous with the horizontal strip 25 is formed and the bar 3 parallel to the bar 32a is formed.
2b is formed. Further, inside the cylindrical girder 3 at the corner, a bar 31a is formed on the surface portion 1 and extends in the front-rear direction at a position not vertically overlapping with the continuous bars 32a ', 32a,
Further, a bar 31b extending in the left-right direction is formed at a position that does not vertically overlap with the continuous bar 32b ′ and the bar 32b.

A continuous crosspiece 42a 'extending in the front-rear direction and continuous with the horizontal strip 25 is formed in the back surface portion 2 inside the cylindrical tubular girder 4a in the middle part formed in a pair of peripheral middle parts opposed to each other. A crosspiece 42b extending in the left-right direction is formed. Further, inside the tubular girder 4a at the intermediate portion, a bar 41b is formed on the surface portion 1 and extends in the left-right direction at a position that does not vertically overlap the bar 42b.

A continuous crosspiece 42b 'extending in the left-right direction, which is continuous with the horizontal strip 25, is formed on the back surface 2 inside the intermediate tubular girder 4b formed at the other pair of peripheral intermediate portions facing each other. A bar 42b is formed and parallel to this. Further, inside the tubular girder 4b at the middle part, a continuous bar 42b 'and a bar 41b extending in the left-right direction at a position not vertically overlapping with the bar 42b are formed on the surface portion 1.

Inside the tubular girder 5 at the center, a bar 52b extending in the left-right direction is formed on the back surface portion 2, and extends in the left-right direction at a position where it does not vertically overlap the bar 52b on the front surface portion 1. A bar 51b is formed.

Between the intermediate tubular girder 4a and the central tubular girder 5, a beam 16 connecting the middle tubular girder 4a and the central tubular girder 5 to the surface 1 is provided. Is formed on the back surface portion 2 and connects the tubular girder 4a at the middle portion and the tubular girder 5 at the central portion at a position not overlapping the bar 16 up and down. The crosspiece 16 connecting the middle tubular girder 4a and the central tubular girder 5 on the surface portion 1 is provided at the middle tubular girder 4a.
a and is continuous with the crosspiece 51b formed in the tubular girder 5 at the center. or,
On the back surface part 2, the crosspiece 26 connecting the middle tubular girder 4a and the middle tubular girder 5 is continuous with the boom 42b formed in the middle tubular girder 4a, and at the center part. It is continuous with the crosspiece 52b formed in the tubular girder 5.

Between the intermediate tubular girder 4b and the central tubular girder 5, a beam 16 connecting the middle tubular girder 4b and the central tubular girder 5 to the surface 1 is provided. A bar 26 is formed on the back surface 2 to connect the middle tubular girder 4b and the central tubular girder 5 at a position that does not vertically overlap the bar 16.

At a portion where the fork insertion holes 6 intersect, a rectangular peripheral portion 12 is formed in the surface portion 1 surrounding the periphery of the intersecting portion, and a through hole 13 is formed inside the rectangular peripheral portion 12.
And a crosspiece 14 which crosses in the through hole 13 is formed.
A band-shaped peripheral portion 15 is formed around the surface portion 1.

On the back surface 2 of the synthetic resin pallet,
A synthetic resin non-slip tape is mounted on the horizontal band 25 and the continuous bar 32a 'in the cylindrical girder 3 at the corner continuous with the horizontal band 25 and the continuous bar 42a' in the middle cylindrical girder 4a. 71, and a horizontal band 25 and the horizontal band 2
A non-slip tape 72 made of synthetic resin is provided on the continuous bar 32b 'in the cylindrical girder 3 at the corner part continuous with the fifth girder and on the continuous bar 42b' in the cylindrical girder 4b at the middle part. The synthetic resin non-slip tapes 71 and 7 are provided on the back surface 2 of the synthetic resin pallet.
The provision of 2 makes it possible to prevent the upper synthetic resin pallet placed on the lower article from slipping on the lower article when the articles are placed on the synthetic resin pallet and stacked in multiple stages. The synthetic resin non-slip tapes 71, 72
Are connected to the continuous bars 32a ', 32b', 42
Except for a 'and 42b', they may be provided only on the horizontal strip 25.

On the surface 1 of the synthetic resin pallet,
A crosspiece 16 connecting the middle cylindrical girder 4a and the middle cylindrical girder 5, a crossbar 41b in the middle cylindrical girder 4a continuous with the crossbar 16 and a crossbar in the middle cylindrical girder 5 A synthetic resin non-slip tape 73 is provided on the crosspiece 51b, and a synthetic resin non-slip tape is provided on the band-shaped peripheral portion 15 by hanging from the corner cylindrical girder 3 to the corner cylindrical girder 3. 74 are provided. By providing such synthetic resin non-slip tapes 73 and 74 on the surface portion 1 of the synthetic resin pallet, the article placed on the synthetic resin pallet when the article is placed and transported on the synthetic resin pallet Can be prevented from slipping on a synthetic resin pallet.

Non-slip tapes 71, 72, 73 made of synthetic resin,
Examples of 74 include an ethylene-vinyl acetate copolymer and a polyolefin-based elastomer that can be bonded to a synthetic resin pallet. In order to provide the synthetic resin non-slip tapes 71, 72, 73, 74 on the horizontal strip 25 or the like, for example, the synthetic resin non-slip tapes 71, 72, 7
3, 74 and the method of fusing the bonding surfaces of the horizontal strip 25 and the like and pressing them together.

The synthetic resin pallet according to the present invention can be formed of a synthetic resin such as polyethylene or polypropylene, and additives such as a coloring agent and a filler may be appropriately used in the synthetic resin.

In order to form the synthetic resin pallet according to the present invention, for example, as shown in FIGS. 9 to 11, a fixed mold 81, a movable mold 82, an upper slide core 83 and a lower slide core 84 are used. Good. That is, as shown in FIG. 9, the fixed mold 81, the movable mold 82, the upper slide core 8
After closing the third and lower slide cores 84, the molten synthetic resin is injected into the mold. Next, as shown in FIG. 10, the movable mold 82, the upper slide core 83, and the lower slide core 84 are moved downward in the figure, and then the upper slide core 83 is moved rightward in the figure. Then, the lower slide core 84 is slightly moved upward in the drawing.
Next, as shown in FIG. 11, the upper slide core 83 and the lower slide core 84 may be further moved rightward in the figure. In addition, when injecting the molten synthetic resin into the mold, a gas is injected into the molten synthetic resin injected into the mold to form a hollow portion in a predetermined portion where the thickness of the synthetic resin pallet becomes thick. You may.

In the illustrated synthetic resin pallet,
The inclined portion 23 is formed by an inclined surface, but if necessary, a plurality of inclined ribs having inclined sides inclined downward are provided in parallel instead of the inclined surface, so that the inclined portion 2 is formed.
3 may be formed.

The synthetic resin pallet shown is provided with an opening 21 in the back surface 2 so that it can be operated by a hand lifter, is of a single-sided type capable of placing articles only on the front surface 1, and is provided with a forklift and a hand. It is said to insert a fork such as a lifter from all sides,
The present invention can be applied to a double-sided type synthetic resin pallet capable of placing an article on the front surface portion 1 and the back surface portion 2, and a two-way insertion type in which forks such as forklifts and hand lifters are inserted from two sides. It can also be applied to resin pallets.

Other than this, any configuration may be adopted as long as it does not deviate from the gist of the present invention, and it is needless to say that the above-described configurations may be appropriately selectively combined. No.

[0028]

The pallet made of synthetic resin according to the present invention comprises:
A horizontal plate-shaped portion is formed on the back surface near the entrance of the fork insertion hole between the cylindrical girders, and by providing a synthetic resin non-slip tape on the horizontal plate-shaped portion, articles can be placed on a synthetic resin pallet. In a case where the pallets are stacked and stacked in multiple stages, the upper synthetic resin pallet placed on the lower items can be made hard to slip on the lower items.

[Brief description of the drawings]

FIG. 1 is a plan view showing an embodiment of a synthetic resin pallet according to the present invention.

FIG. 2 is a bottom view of the synthetic resin pallet shown in FIG.

FIG. 3 is a front view of the synthetic resin pallet shown in FIG.

4 is a side view of the synthetic resin pallet shown in FIG.

FIG. 5 is a sectional view taken along line AA in FIG. 1;

FIG. 6 is a sectional view taken along line BB in FIG. 1;

FIG. 7 is a sectional view taken along line CC in FIG. 1;

FIG. 8 is a sectional view taken along line DD in FIG. 1;

FIG. 9 is an explanatory view showing a state in which the synthetic resin pallet shown in FIG. 1 is being molded.

FIG. 10 is an explanatory view showing a state in which the synthetic resin pallet shown in FIG. 1 is being molded.

FIG. 11 is an explanatory view showing a state in which the synthetic resin pallet shown in FIG. 1 is being molded.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Front surface part 2 Back part 3 Cylindrical girder of a corner 4a, 4b Cylindrical girder of a middle part 5 Cylindrical girder of a central part 6 Fork insertion hole 11a Vertical rib 11b Horizontal rib 11 Lattice bar 21 Opening 22 Horizontal plate Part 23 Inclined part 24a Vertical rib 24b Horizontal rib 24 Lattice bar 25 Horizontal band 32a ', 32b', 42a ', 42b' Continuous bar 71, 72, 73, 74 Synthetic resin non-slip tape

Claims (5)

[Claims] 1. A synthetic resin pallet having a front surface portion and a back surface portion, wherein the front surface portion and the back surface portion are connected by a plurality of tubular girders, and a fork insertion hole is formed between the tubular girders. A grid-like bar in which vertical ribs and horizontal ribs intersect is formed on the surface near the entrance of the fork insertion hole between the cylindrical girders, and is horizontal on the back surface near the entrance of the fork insertion hole between the cylindrical girders. A plate-like portion, an inclined portion inclined downward from the horizontal plate-like portion toward the inlet side of the fork insertion hole, a grid-like bar in which vertical ribs and horizontal ribs provided on the lower surface of the horizontal plate-like portion intersect, and A horizontal plate-like portion is cut out between the horizontal ribs to form a horizontal band-like portion flush with the lower end of the horizontal rib. 2. A tubular girder having a front surface portion and a back surface portion, wherein the front surface portion and the back surface portion connect the corner portions of the front surface portion and the back surface portion, and an intermediate portion around the front surface portion and the back surface portion. It is connected by a central tubular girder connecting the middle part of the middle part and the central part of the front part and the back part, and a fork insertion hole is formed between the tubular girders in the shape of a well, In a synthetic resin pallet having an opening on the back surface where the fork insertion holes intersect, a lattice in which vertical ribs and horizontal ribs intersect on the surface between the cylindrical girder at the corner and the cylindrical girder at the middle. A crosspiece is formed,
And a horizontal plate portion on the back surface between the cylindrical girder at the corner portion and the cylindrical girder at the middle portion, and an inclined portion inclined downward from the horizontal plate portion toward the inlet side and the opening side of the fork insertion hole. The horizontal plate-like portion was cut out between the two horizontal ribs and the lattice-like bar where the vertical ribs and the horizontal ribs intersected on the lower surface of the horizontal plate-like portion and were made flush with the lower end of the horizontal rib. A synthetic resin pallet having a horizontal strip portion. 3. A non-slip tape made of synthetic resin is provided on the horizontal strip.
The synthetic resin pallet as described. 4. The synthetic resin pallet according to claim 1, wherein a continuous crosspiece connected to the horizontal band portion is formed in the tubular girder located on both sides of the fork insertion hole. 5. The synthetic resin pallet according to claim 4, wherein a non-slip tape made of synthetic resin is provided on the horizontal band portion and the continuous bar.