JP4538244B2 - Pallet load cover - Google Patents

Description

  The present invention relates to a pallet load cover.

In the physical distribution route, a large number of loads are loaded on a pallet, and the cargo is lifted and moved by a forklift or the like, and cargo handling including storage is carried out extensively on a pallet basis. During this up and down movement, the cargo on the pallet may collapse or fall off the pallet. In addition, a protective measure against baggage dirt due to contact with wind and rain or dust is desired.
As a means for preventing the collapse of the load on the pallet and dropping off from the pallet, and preventing the dirt, for example, the entire load is wound together with the pallet with a long strip-shaped shrink film or stretch film, After that, there is known a method of packaging with heat or the like if necessary (for example, Patent Document 1 and Patent Document 2). However, when these strip films are used, it takes a lot of labor and time to wrap the cargo and pallet, or a large-scale device is required, and the wound film is removed. There is also a problem that time and labor are required. In addition, when the film is contracted by heat or the like, the film cannot be reused. Further, since the film is also wound on the pallet, the fork insertion port of the pallet is also covered with the film, and therefore, when the fork of the forklift is inserted into the pallet, the portion covering the fork insertion port of the film is broken through. So it cannot be reused. Thus, in the method using a strip film, since reuse is not performed, there is a problem that costs are increased and a large amount of waste is generated.

  For example, a band (for example, Patent Document 3 or Patent Document 4) or a net (for example, Patent Document 5) is known as a reusable means that can prevent the collapse of the load on the pallet and the falling off of the load. It has been. However, although a band or a net can prevent a load collapse or a drop off of a load, it cannot prevent quality deterioration due to contact with wind and rain or dust.

  Further, as means having a protective function, for example, a cover that can cover the entire load on the pallet is known (for example, Patent Document 6). However, since the cover described in Patent Document 6 is simply placed on the pallet so as to cover the entire load and is not fixed to the pallet, the entire load may be shifted on the pallet. Furthermore, there is a problem that it is not possible to completely prevent dust from entering through the gap between the cover and the pallet.

  Furthermore, a cover that covers the entire load and the upper end of the side surface of the pallet is also known (Patent Document 7). However, the cover described in Patent Document 7 uses a strip that passes below the pallet for fixing to the pallet, and the fixing operation becomes very complicated. Further, if the strip is not used, the fixing to the pallet is insufficient. In addition, according to this cover, there is a problem that when the height of the load on the pallet becomes higher than usual, there is a problem that a gap is left at the lower end, while the height of the load on the pallet is higher than usual If the value is too low, the cover will sag and cover the fork insertion port of the pallet, so that the fork insertion operation may become complicated or the cover may be damaged.

  Furthermore, a heat-insulating pallet container cover that can completely cover the entire side surface of the pallet is also known (Patent Document 8). However, the pallet container cover described in Patent Document 8 only has a structure that covers the entire side surface of the pallet for the purpose of keeping heat, and since the container cover is not fixed to the pallet, the entire load is shifted on the pallet. The drawbacks are not solved. Further, since the height of the container cover cannot be changed, the container cover can be used only for a luggage having a certain height or less.

JP 2003-231525 A JP 2003-146360 A JP 2003-54624 A JP 2002-326636 A JP 2001-88862 A JP 2001-354264 A JP 2001-48228 A JP 2001-180767 A

  Therefore, the object of the present invention is to prevent the load from collapsing or dropping off the baggage and to prevent the baggage from being deteriorated due to exposure. It is another object of the present invention to provide a cover for a pallet load that can be protected at the same time, can be sufficiently fixed to a pallet, can be easily fixed to the pallet, and can be reused.

The above problem is in accordance with the present invention,
A cover for a pallet load that is capable of covering the entire top and side surfaces of the load loaded on the pallet and the entire side surface of the pallet at the same time, and is made of an integrally continuous sheet material,
By means of the pallet load cover, comprising means for tightening in the horizontal direction from the periphery in a state where the load is covered, and having a fork through-hole opening of a forklift used for moving the pallet. Can be solved.
In a preferred embodiment of the pallet load cover according to the present invention, in a state where the load is covered, it becomes a substantially rectangular parallelepiped shape lacking the bottom surface, and the slit 1 or more extending in the height direction from the bottom surface of the generally rectangular parallelepiped toward the top surface. And means for closing the slit.
In another preferred aspect of the pallet load cover according to the present invention, the slit closing means also serves as the tightening means for the load.
In another preferred embodiment of the pallet load cover according to the present invention, means for tightening in the horizontal direction from the periphery is provided at a portion covering the entire side surface of the pallet.
Moreover, in another preferable aspect of the pallet load cover according to the present invention, a portion that covers the entire side surface of the load is provided with means for tightening in the horizontal direction from the periphery.
In another preferred embodiment of the pallet load cover according to the present invention, the foldable portion for height adjustment and the foldable portion are provided at a position corresponding to the upper portion in a state where the load is covered. And means for fixing the folded portion formed after folding.
In another preferred embodiment of the pallet load cover according to the present invention, the four ridge lines between the four rectangular sheet portions corresponding to the four side surfaces of the rectangular parallelepiped whose upper surface and bottom surface are opened are bent into chevron shapes, respectively. Then, the pair of opposing rectangular sheet portions having longer side lengths in the width direction are not bent except for the ridge lines at both end portions, and the pair of opposing side sheets having shorter side lengths in the lateral direction. The rectangular sheet portions to be folded can be folded into a flat plate shape by being folded in half along the center line in the height direction, and further correspond to the upper surface of the rectangular parallelepiped. At the end, all the upper ends of the four rectangular sheet portions are completely folded and joined in a state of being overlapped to form a closed end, and the end corresponding to the bottom surface of the rectangular parallelepiped is defined as an open end. Let a cargo cover.
In another preferred embodiment of the pallet load cover according to the present invention, the closed end portion has a folding portion fixing means formed after the closed end portion is folded.
In another preferred embodiment of the pallet load cover according to the present invention, at least one of the four ridge lines between the four rectangular sheet portions corresponding to the four side surfaces of the rectangular parallelepiped has a height from the bottom surface to the top surface. It has a slit extending in the vertical direction, and further has means for closing the slit.

  In the present specification, the “height direction” refers to the direction from the bottom surface to the top surface (the direction of arrow H in FIG. 2) when the load on the pallet is covered by the load cover of the present invention. The “width direction” means the horizontal direction (the direction of arrow W in FIG. 2) when the load on the pallet is covered with the load cover of the present invention.

Since the load cover of the present invention has a fork penetrating opening, it can be used repeatedly because it is not damaged by insertion of the fork, and also covers the entire side of the pallet together with the entire load. The load can be protected from the influence of dust and wind and rain. Further, the load can be covered with a simple operation and fixed to the pallet to prevent the collapse of the load and the falling of the load.
Further, according to the load cover of the present invention having the height adjusting means, the fork penetration opening can be easily positioned at the position of the fork insertion opening on the side of the pallet even if the height of the load on the pallet changes. It can be adapted and versatility is improved.

A preferred embodiment of the load cover of the present invention will be described with reference to the accompanying drawings.
1 to 3 show a fixed-height load cover 1 of the present invention. Here, the “fixed height type” load cover is a load according to the present invention that can be suitably used when the final height of the entire load loaded on the pallet is predetermined. Means cover. The variable height load cover of the present invention (that is, the load cover of the present invention that can be used even when the height of the load loaded on the pallet changes) will be described later.

  FIG. 1 shows a folded state before using the fixed-height load cover 1 of the present invention, FIG. 2 shows a state in the middle of an operation for covering the load on the pallet, and covers the load on the pallet. FIG. 3 shows a state after the operation is completed. 2 and 3 show only the pallet 5 and omit the loaded cargo. However, when the fixed-height load cover 1 of the present invention is actually used, of course, the pallet Luggage is loaded on top of 5.

The fixed-height load cover 1 of the present invention, as shown in FIGS. 1 to 3, has four side surfaces 11, 12, 13, 14 and an upper surface 15, and the portion corresponding to the bottom of the rectangular parallelepiped is Opening 16. In this specification, the “cuboid” is a concept including a rectangular parallelepiped in which all six sides of each side, top, and bottom are rectangular, a rectangular parallelepiped in two, and a cube in which all six are square. Further, in the following description, for convenience of explanation, the four side portions are referred to as a first side portion 11, a second side portion 12, a third side portion 13, and a fourth side portion 14 in order. To.

The load cover 1 of the present invention can be folded and stored before use as shown in FIG. The load cover 1 shown in FIGS. 1 to 3 has a slit 31 on the ridge line 21 between the first side surface part 11 and the second side surface part 12 over the entire length of the ridge line 21, and the others. The ridge lines 22, 23, 24 are integrally continuous, and the four ridge lines between the four side surface parts 11, 12, 13, 14 and the upper surface part 15 are also continuously integrated. Further, along the slit 31, surface fasteners 32 and 33 as slit closing means are provided at a plurality of locations on the outer surface of the first side surface portion 11 and the outer surface of the second side surface portion 12. The surface fasteners 32 and 33 can close the slit 31 by bringing the male surface fastener 32 provided on the first side surface portion 11 and the female surface fastener 33 provided on the second side surface portion 12 into surface contact. .

In the mode shown in FIGS. 1 to 3, the forklift for passing through the forklift at the end of the first side surface 11 on the bottom surface opening 16 side and possibly the end of the third side surface 13 on the bottom surface opening 16 side. Openings 41 and 42 are provided. The fork penetrating openings 41 and 42 are provided to pass the fork of the forklift and guide the fork to a fork insertion port provided in the pallet. In some cases, fork penetration openings may be provided at the end of the second side surface 12 on the bottom surface opening 16 side and the end of the fourth side surface 14 on the bottom surface opening 16 side. In this case, the fork can be inserted from any of the four directions.

When using the fixed-height load cover 1 of the present invention, the surface fasteners 32 and 33 provided on the ridge line 21 of the protective cover 1 in a folded state as shown in FIG. As shown in FIG. 2, the entire load (not shown) and the entire side surface of the pallet 5 are covered. Since the fixed-height load cover 1 of the present invention is manufactured in accordance with dimensions such as the height and width of the load and the dimensions of the pallet, the upper end of the load contacts the upper surface portion 15 of the protective cover 1. . Furthermore, it arrange | positions so that the opening parts 41 and 42 for fork penetration may overlap in front of the fork insertion port provided in the pallet 5. FIG.

After covering the entire load and the entire side surface of the pallet 5 with the fixed-height load cover 1, if the surface fasteners 32 and 33 are brought into surface contact and the slit is closed, the hook and loop fasteners 32 and 33 are joined. The load and the pallet 5 are fastened and fixed in the horizontal direction from the periphery by the four side surfaces 11, 12, 13, and 14. When the hook-and-loop fasteners 32 and 33 are brought into surface contact, the first side surface portion 11 and the second side surface portion 12 are spaced apart from each other by the slit 31 so that the load and the pallet 5 are closely fixed by the protective cover 1. It is preferable to fix it after pulling in the horizontal direction so as to be as narrow as possible. For example, when the surface fasteners 32a and 33a are brought into surface contact, as shown in FIG. 3, the first side surface portion 11 is pulled strongly in the direction of arrow a, and the second side surface portion 12 is pulled strongly in the direction of arrow b. The surface fasteners 32a and 33a are preferably brought into surface contact and fixed after the pallet 5 is tightly fixed by the protective cover 1. For example, when the surface fasteners 32b and 33b are brought into surface contact, as shown in FIG. 3, the first side surface portion 11 is pulled strongly in the direction of arrow a, and the second side surface portion 12 is moved in the direction of arrow b. It is preferable that the hook-and-loop fasteners 32b and 33b are fixed in contact with each other after the load is pulled and the load is tightly fixed by the protective cover 1.

  After use, the surface fasteners 32 and 33 of the fixed-height load cover 1 in the state of FIG. 3 are released and removed from the load and the pallet 5. When the fixed-height load cover 1 is folded along the fold line indicated by the one-dot chain line A in FIG. 3, the cover 1 can be folded in the state shown in FIG.

As described above, the fixed-height load cover 1 of the present invention has four ridge lines between the four rectangular sheet portions of the four side surfaces 11, 12, 13, and 14 of the rectangular parallelepiped with the bottom surface 16 opened. folding Yamagata, folded Yamagata each well 4 ridgeline of the upper surface portion 15, and, for the rectangular sheet portion of the second side portions 11 and 13 opposite a pair of longer lengths of the sides in the width direction, one side surface The portion 13 is not bent except for the ridge line, and is bent in a valley shape in the width direction along the fold line A at the other side surface portion 11 (and part of the other two side surface portions 12 and 14). For the rectangular sheet portions of the pair of opposing two side surface portions 12 and 14 having a shorter length, they are halved in a valley shape along the fold line A from the top surface to the bottom surface in a Y shape (the top surface is the upper portion of the Y shape). The whole is folded into a flat plate shape It can be between state. Here, being folded into a mountain shape means being folded into a shape protruding outward when observed from the outside of the fixed-height load cover 1. On the contrary, being folded into a valley shape means being folded into a shape recessed inward when observed from the outside of the fixed-height load cover 1.

  4 to 9 show the cover for variable height load 10 according to the present invention. As described above, the variable-height load cover 10 is a load cover that can be used even when the height of the load loaded on the pallet changes. By operating the adjusting means, the position of the fork penetrating opening can be correctly arranged.

FIG. 4 shows a folded state before using the variable-height load cover 10 of the present invention, FIG. 5 shows a slightly opened state of the variable-height load cover 10, and shows the load on the pallet. FIG. 6 shows a state in the middle of the covering operation, FIG. 7 and FIG. 8 show a state in the middle of the height adjustment operation, and FIG. 9 shows a state after the operation for covering the load on the pallet. FIGS. 6 to 9 show only the pallet 5 and omit the loaded cargo. However, when actually using the variable-heavy load cover 10 of the present invention, the pallet is of course used. Luggage is loaded on top of 5. In the pieces contained in Hendaka type cargo cover 10, pieces similar pieces included in Jodaka type cargo cover 1 of the show in the same number. In addition, the general matters described in relation to the above-described fixed height load cover 1 also apply to the variable height load cover 10.

The variable height load cover 10 of the present invention can be folded into a flat state as shown in FIG. As shown in FIG. 5, the variable-height load cover 10 includes six rectangular side surfaces 11, 12 </ b> A, 12 </ b> B, 13, 14 </ b> A, 14 </ b> B, and the bottom end is an opening 16. The other end is a linear closed end 25. In FIG. 5, the hook-and-loop fasteners 32, 33, 34, and 35 shown in FIG. 4 are omitted to simplify the drawing. Further, in the following description, for convenience of explanation, the six side portions are sequentially arranged as the first side surface portion 11, the second side surface portion 12A, the third side surface portion 12B, the fourth side surface portion 13, and the fifth side surface. These will be referred to as a portion 14A and a sixth side surface portion 14B.

As shown in FIG. 5, the ridgeline 21 between the first side surface portion 11 and the second side surface portion 12A is folded in a mountain shape, and the second side surface portion 12A and the third ridgeline formed by these side surface portions are formed as shown in FIG. The ridge line 22C between the side surface portion 12B is folded in a valley shape. Here, being folded in a mountain shape means being folded into a shape protruding outward when observed from the outside of the cover 10 for variable-height load. On the contrary, being folded into a valley shape means being folded into a shape recessed inward when observed from the outside of the cover for variable height load 10. Furthermore, the ridgeline 22 between the third side surface portion 12B and the fourth side surface portion 13 and the ridgeline 23 between the fourth side surface portion 13 and the fifth side surface portion 14A are both folded in a mountain shape. The ridge line 24C between the fifth side surface portion 14A and the sixth side surface portion 14B is folded in a valley shape, and the ridge line 24 between the sixth side surface portion 14B and the first side surface portion 11 is Folded into a mountain shape.

The structure of the variable-height load cover 10 shown in FIGS. 4 and 5 will be further described with reference to FIGS. 10 to 12, the surface fasteners 32, 33, 34, and 35 shown in FIG. 4 are omitted to simplify the drawings. That is, FIGS. 10 to 12 omit the hook-and-loop fasteners 32, 33, 34, and 35 from FIG. 4, and further, part of the six rectangular side surfaces 11, 12A, 12B, 13, 14A, and 14B They are cut out one after the other in order to show their overlapping structure. As shown in FIG. 10, when a part of the first side surface portion 11 is cut away, the inner wall surfaces of the second side surface portion 12A and the sixth side surface portion 14B appear just below the first side surface portion 11, respectively. A part of the inner wall surface of the fourth side surface portion 13 located at the innermost position appears between the second side surface portion 12A and the sixth side surface portion 14B. Further, the end of the second side surface portion 12A is a ridge line 22C folded into a valley shape, and the end portion of the sixth side surface portion 14B is a ridge line 24C folded into a valley shape from the opposite side.

Subsequently, as shown in FIG. 11, when a part of the second side surface portion 12A is cut out, an outer wall surface of the third side surface portion 12B appears immediately below. Moreover, if a part of 6th side part 14B is notched, the outer side wall surface of 5th side part 14A will appear just under it. Furthermore, as shown in FIG. 12, when a part of the third side surface part 12B is cut out, an inner wall surface of the fourth side surface part 13 appears immediately below, and similarly, a part of the fifth side surface part 14A. When the is cut out, the inner wall surface of the fourth side surface portion 13 also appears immediately below.

  The structure of the variable-height load cover 10 shown in FIGS. 4 and 5 can also be interpreted as follows. That is, the four ridge lines 21, 22, 23, and 24 between the four rectangular sheet portions (11, 12A + 12B, 13, 14A + 14B) corresponding to the four side surfaces of the rectangular parallelepiped are respectively bent into chevron shapes, and the length of the side in the width direction is The pair of opposed rectangular sheet portions (11, 13) having a longer length are not bent except for the ridge lines 21, 22, 23, 24 on both side ends, and the side having a shorter length in the horizontal direction is used. About a pair of opposing rectangular sheet portions (12A + 12B, 14A + 14B), the whole is folded into a flat shape by folding it in half along the center line 22C, 24C in the height direction, respectively, Furthermore, at the end corresponding to the upper surface of the rectangular parallelepiped, all the upper end portions of the four rectangular sheet portions are completely folded and joined and closed. Parts and 25, has a structure in the end corresponding to the rectangular bottom surface and the open end 16.

When using the variable height load cover 10 according to the present invention, the surface fasteners 32 and 33 provided on the ridge line 21 of the protective cover 10 in a folded state as shown in FIG. Then, when the valley-shaped ridgeline 22C and the valley-shaped ridgeline 24C on the opening 16 side are released from the folding, and the variable-height load cover 10 is opened, the second side surface portion 12A and the third side surface portion 12B are opened. Thus, one new side surface 12 is formed, and similarly, one new side surface 14 is formed by the fifth side surface 14A and the sixth side surface 14B. As shown in FIG. 6, the space between the four side portions 11, 12, 13, and 14 formed in this way covers the entire load (not shown) and the entire side surface of the pallet 5.

The variable-height load cover 10 of the present invention is manufactured according to the width of the load and the size of the pallet, but the height of the load (X in FIGS. 6 and 7) The dimensions are not matched. Therefore, first, the fork penetration openings 41 and 42 are arranged so as to overlap immediately before the fork insertion port 51 provided in the pallet 5. Subsequently, when the surface fasteners 32 and 33 are brought into surface contact and the slit is closed, the load and the pallet 5 are connected to the surface fasteners 32 and 33 so that the four side surfaces 11 and 12 (12A + 12B), 13 and 14 (14A + 14B). Is fastened and fixed in the horizontal direction from the surroundings.

When the hook-and-loop fasteners 32 and 33 are brought into surface contact, as described above, the first side surface portion 11 and the second side surface portion 12 are attached so that the load and the pallet 5 are closely fixed by the protective cover 10. It is preferable that the slits 31 are pulled in the horizontal direction so as to be as narrow as possible and then fixed. For example, when the surface fasteners 32a and 33a are brought into surface contact, as shown in FIG. 7, the first side surface portion 11 is pulled strongly in the direction of arrow a, and the second side surface portion 12 (12A + 12B) is pulled in the direction of arrow b. It is preferable that the hook-and-loop fasteners 32a and 33a are fixed in contact with each other after the pallet 5 is tightly fixed by the protective cover 10 by pulling it strongly. Further, for example, also when the surface fasteners 32b and 33b are brought into surface contact, as shown in FIG. 7, the first side surface portion 11 is pulled strongly in the direction of arrow a, and the second side surface portion 12 (12A + 12B) is moved to arrow b. It is preferable that the hook-and-loop fasteners 32b and 33b are fixed in contact with each other after the load is pulled firmly in the direction of and the load is tightly fixed by the protective cover 10.

Next, creases (shown by alternate long and short dash lines: the same applies hereinafter) are made in the four side surface portions 11, 12 (12A + 12B), 13, 14 (14A + 14B) along the height (X) of the load. A portion above these folds is a foldable portion 37 for height adjustment. A fold line Y connecting the fold line X and the valley-shaped ridge lines 22C and 24C is formed on the side surface part 12 (12A + 12B) and the side surface part 14 (14A + 14B) of the foldable part 37, respectively.

Subsequently, the first side surface portion 11 and the third side surface portion 13 are folded along the fold line X, and the second side surface portion 12 (12A + 12B) and the fourth side surface portion 14 (14A + 14B) are folded. When folded along the fold line Y and the valley-shaped ridgelines 22C and 24C, a T-shaped folded portion 38 is formed on the upper surface portion as shown in FIG. When this T-shaped folding part 38 is tilted in the direction of arrow R and fixed with hook-and-loop fasteners 34 and 35, as shown in FIG. 9, the upper surface part 39 of the cover for variable-height load 10 of the present invention has an internal load. Since the height coincides with the upper surface, load collapse or the like is less likely to occur when the forklift is lifted or lowered. This is because, in particular, the load in the height direction is prevented from jumping up.

  In the pallet load cover of the present invention, the slit is preferably provided on the ridgeline in the height direction from the bottom side end portion in both the constant height type cover and the variable height type cover, and is provided on only one ridgeline. Is more preferable. When provided on the ridgeline, the load can be effectively fixed to the pallet by means of horizontal fastening means (for example, a hook-and-loop fastener). Moreover, it can also be provided at a location different from the ridgeline so that the contents of the load can be easily confirmed. In order to improve the protective effect, it is preferable that the side surfaces of the slit portion overlap each other with a width of about several centimeters. The number of slits is not limited, but is preferably 1 to 2 and most preferably 1 location. This is because too much fixing work is complicated. Moreover, although it is preferable to provide a slit over the full length of a ridgeline as shown by the said specific embodiment, it can also be provided in the middle of the height direction from the bottom face side edge part of a ridgeline.

The surface fastener used as a means for closing the slit and as a means for tightening in the horizontal direction is preferably arranged with about 1 to 7 and more preferably 4 to 6 per slit. By tightening and stopping the hook-and-loop fastener, it is possible to obtain a load collapse prevention effect. As the fastening means, a belt-like surface fastener is suitable, but a D-can belt, a ratchet belt, a zipper, or the like can also be used.
The number of the closing / clamping means is not particularly limited, but if too many are installed, it is not preferable because the number of closing / clamping operations increases and both the packing and opening operations become complicated.

In the pallet load cover according to the present invention, at least two (one side surface) openings for fork penetration of the forklift are provided. Two can be arranged on two opposing side surfaces, for a total of four, and two can be arranged on each of the four opposing side surfaces (eight in total).
As shown in FIGS. 1 to 9, the fork penetrating opening is a hollow window type from which the material of the opening has been removed, or a hanging curtain in which the upper side is left and the other three sides are cut. Can be a mold. In order to prevent the edge of the fork penetrating opening from being damaged by contact with the fork, a reinforcing portion is provided at the edge of the fork penetrating opening (for example, strengthening sewing or trimming is performed) Alternatively, it is preferable to round the edge around the opening for penetrating the fork.
Since the cover for a pallet load according to the present invention has a fork penetrating opening, it can be prevented from collapsing by covering up to the side surface of the pallet and fixing with a fastening means. Also, the pallet is difficult to get dirty. The shape of the opening for penetrating the fork can be, for example, a rectangular shape cut out in a window shape or a U-shaped banner type.

  The sheet material used for producing the cover for a pallet load according to the present invention is not particularly limited, but is preferably a material that exhibits a high tensile strength and a low elongation rate and has a protective action against wind and rain. As such a material, for example, a woven fabric, a knitted fabric, and a non-woven fabric can be used, and a film composite is particularly preferable. For example, a film reinforced by lamination with a filament (woven fabric) or a split fiber (nonwoven fabric) is particularly preferable. Suitable materials can include, for example, a burif, a canvas, or a tarpaulin.

  Warif (registered trademark of Shin Nippon Petrochemical Co., Ltd.) is a type of non-woven fabric in which split fibers made of polyolefin resin are stretched and reinforced. Since it has high tensile strength and low elongation, it is suitable for the present invention. Since a walliff has high water permeability, a walliff having a synthetic resin film laminated on one side or both sides is suitable for use in the present invention.

Then, canvas (CANVAS) is exactly at 1 m ² per 8 ounces (about 227 g) or more thick fabric, a thick fabric plain weave fabric of cotton or linen and the material, in the present invention, this typically However, it is preferable to use a synthetic canvas made of synthetic fibers because it is lightweight and water resistant. For example, a cloth woven from polyester filaments. Depending on the application of the present invention, moderate air permeability derived from the fabric may be preferred, but for curing purposes, a laminate of a film on one or both sides is suitable. Laminated ones are also called "synthetic canvas" or tarpaulins.

  Furthermore, tarpaulin is a sheet-like product having a three-layer structure in which both sides of a synthetic fiber base fabric are sandwiched between films in a broad sense, and in a narrow sense, a polyester fabric is used as a base fabric and the film is vinyl chloride. It is. Any tarpaulin can be used in the present invention.

If necessary, the sheet material may be provided with a transparent or translucent portion that can confirm the load after coating, or may be printed with a barcode or a logo mark.
Although the basis weight of the sheet material is not particularly limited, for example, about 80 to 200 g / m ² is appropriate. If the basis weight is low, the strength may be reduced and it may be torn. If the basis weight is too high, the weight increases and the burden on the operator increases, and the cost of the load cover also increases.

The tensile strength (using a tensile tester; chuck interval = 20 mm; tensile speed = 200 m / min, maximum point) of the sheet material is preferably 100 N / 5 cm or more, and more preferably 250 N / 5 cm or more.
The elongation percentage of the sheet material is preferably 30% or less at the non-sewn portion. If it exceeds 30%, it will be easy for the luggage to collapse.

  The load cover according to the present invention is used when covering a stack of pallets that are moved up and down and moved by a forklift or the like and the pallet itself. The load is completely protected from the influence of dust and sunlight, and the load is covered and fixed to the pallet with a simple operation to prevent collapse of the load and falling of the load, and it can be reused.

It is a perspective view which shows the folded state before use of the cover for fixed height type | mold loads of this invention. It is a perspective view which shows typically the state in the middle of operation which covers the load on a pallet with the cover for fixed-height load shown in FIG. It is a perspective view which shows typically the state after completion | finish of operation which covers the load on a pallet with the cover for fixed-height load shown in FIG. It is a perspective view which shows the folded state before use of the cover for variable-height load objects of this invention. FIG. 5 is a perspective view schematically showing a state in which the cover for variable-height load shown in FIG. 4 is slightly opened. It is a perspective view which shows typically the state in the middle of operation which covers the load on a pallet with the cover for variable-height load shown in FIG. It is a perspective view which shows typically the state in the middle of the height adjustment operation of the cover for variable-height load shown in FIG. It is a perspective view which shows typically the state in the middle of the height adjustment operation of the cover for variable-height load shown in FIG. It is a perspective view which shows typically the state after completion | finish of operation which covers the load on a pallet with the cover for variable-height load shown in FIG. It is the perspective view which notched a part of 1st side part of the folded state before using the cover for variable-height load objects of this invention. It is the perspective view which notched a part of the 1st side part of the folded state before use of the cover for variable-height loads of this invention, the 2nd side part, and the 6th side part . The perspective view which notched a part of 1st side part , 2nd side part , 6th side part , 3rd side part, and 5th side part of the folded state before use of the cover for variable-height load of this invention It is.

Explanation of symbols

1 ... Cover for fixed-height load; 5 ... Pallet;
10: Cover for variable-height load; 11, 12, 13, 14 ... side portion ;
12A, 12B, 14A, 14B ... side portions ;
15 ... upper surface part ; 16 ... opening part;
21, 22, 23, 24 ... ridgeline; 22C, 24C ... valley ridgeline;
25 ... closed end; 31 ... slit;
32, 33 ... hook-and-loop fasteners; 32a, 33a ... hook-and-loop fasteners;
32b, 33b ... Hook fastener; 34, 35 ... Hook fastener;
37 ... Foldable part; 38 ... T-shaped fold part; 39 ... Upper surface part ;
41, 42 ... fork penetration opening; 51 ... fork insertion opening;
X ... crease; Y ... crease.

Claims (9)

A cover for a pallet load that is capable of covering the entire top and side surfaces of the load loaded on the pallet and the entire side surface of the pallet at the same time, and is made of an integrally continuous sheet material,
In the state where the load is covered, it becomes a substantially rectangular parallelepiped shape lacking a bottom surface. Of the four ridge lines between adjacent side surfaces of the substantially rectangular parallelepiped, only one ridge line extends over the entire length of the ridge line. A slit extending in the height direction from the upper surface to the upper surface, a means for tightening in the horizontal direction from the periphery, and a fork lift opening for forklift used for moving the pallet. Cover for pallet load. The pallet load cover according to claim 1, further comprising means for closing the slit.   The pallet load cover according to claim 2, wherein the slit closing means also serves as the tightening means for the load.   The pallet load cover according to any one of claims 1 to 3, further comprising means for tightening in a horizontal direction from the periphery on a portion covering the entire side surface of the pallet.   The cover for a pallet load according to any one of claims 1 to 4, further comprising means for tightening in a horizontal direction from the periphery on a portion covering the entire side surface of the load.   It has a foldable part for height adjustment in a position corresponding to the upper part in the state which covered a load, and a fixing means of a foldable part formed after folding the foldable part. The pallet load cover according to claim 5.   Four ridge lines between four rectangular sheet portions corresponding to the four side surfaces of the rectangular parallelepiped whose top and bottom surfaces are opened are bent into chevron shapes, respectively, and a pair of opposing rectangles with longer side lengths in the width direction The sheet portions are not bent except for the ridge lines at the end portions on both sides, and the pair of opposed rectangular sheet portions having shorter side lengths in the lateral direction are respectively valleyd along the center line in the height direction. By folding in half into a shape, the whole can be folded into a flat plate shape, and at the end corresponding to the upper surface of the rectangular parallelepiped, all the upper ends of the four rectangular sheet portions are completely The cover for a pallet load according to claim 6, wherein the cover is joined in the state of being folded and overlapped to form a closed end, and an end corresponding to the bottom surface of the rectangular parallelepiped is an open end.   The pallet load cover according to claim 7, further comprising: a foldable portion fixing means formed on the closed end portion after the closed end portion is folded.   At least one of the four ridges between the four rectangular sheet portions corresponding to the four side surfaces of the rectangular parallelepiped has a slit extending in the height direction from the bottom surface to the top surface, and further has a closing means for the slit. Item 9. The pallet load cover according to Item 7 or 8.

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