JP7325713B2 - Glass plate package - Google Patents

Description

TECHNICAL FIELD The present invention relates to a glass plate package including a laminate including a plurality of glass plates and a pallet for loading the laminate.

Lamination in which a plurality of product glass plates and a protective sheet are laminated to transport or store various product glass plates such as glass substrates for flat panel displays and glass substrates for solar cells. A form in which bodies are packed on pallets is known.

Patent Literature 1 discloses a glass plate package adopting this type of package form. Metal pallets suitable for repeated use are often used as product loading pallets for loading product glass sheets (laminates). In the glass plate package disclosed in Patent Literature 1, a laminated body composed of a plurality of glass plates in a flat posture is loaded on an aluminum alloy pallet.

JP 2013-224182 A

By the way, the glass plate package disclosed in Patent Document 1 has the following problems to be solved.

The first problem is that glass plate packages are often housed in a container or loaded on the bed of a truck during transportation, and there is a drawback that dirt from the container or the bed tends to adhere to the pallet. Therefore, for example, when the glass sheets are brought into a clean room together with the pallet after transportation, there is a risk that the inside of the room will be contaminated due to the contamination of the pallet. A second problem is that the pallet and the glass sheets loaded on the pallet are damaged due to vibrations and impacts during transportation of the glass sheet package.

In view of the above circumstances, the present invention relates to a glass plate package in which a laminate including a plurality of glass plates is loaded on a pallet for product loading. The technical problem is to prevent the occurrence of scratches in the

A glass plate package according to the present invention for solving the above problems is a package including a laminate including a plurality of glass plates and a metal product loading pallet on which the laminate is loaded. , further comprising a cushioning pallet for supporting the product loading pallet from below, the cushioning pallet being made of wood or resin.

In this glass plate package, when the package is stored in a container or loaded on the bed of a truck for transportation, dirt on the container or bed is not on the product loading pallet, but on the cushioning pallet that supports it from below. Easier to adhere. As a result, contamination of the product loading pallet can be prevented. In addition, since the cushioning pallet is made of wood or resin, it plays a role as a cushioning material. It becomes possible to suppress the impact. As a result, it is possible to prevent the product loading pallet and the glass plate from being damaged.

In the above configuration, it is preferable that the outer peripheral edge of the buffer pallet protrudes from the outer peripheral edge of the product loading pallet in plan view.

By doing so, it is possible to accurately avoid collisions or contact between the container or truck bed and the product loading pallet during transportation of the package. Therefore, it is more advantageous to prevent the contamination of the product loading pallet and the occurrence of scratches on the product loading pallet and the glass plate.

In the above configuration, it is preferable to provide an elastic member interposed between the product loading pallet and the buffer pallet.

In this way, the unevenness and the like present in each of the product loading pallet and the buffer pallet can be made to bite into the elastic member. As a result, the product loading pallet and the cushioning pallet are indirectly assembled via the elastic member, and as a result, it is possible to preferably prevent slippage between the two pallets.

In the above configuration, it is preferable that the product loading pallet and the buffer pallet are fixed.

In this way, it is possible to avoid misalignment between the product loading pallet and the buffer pallet during transportation of the package.

In the above arrangement, it is preferred that the damping pallet is made of wood.

In this way, the cost of manufacturing the cushioning pallet can be reduced by making the cushioning pallet from inexpensive wood. Therefore, as a result, it becomes possible to suppress the cost required for transportation of the glass plate package as much as possible.

In the above configuration, the plurality of glass plates may be stacked in a horizontal position or may be stacked in a vertical position.

In the glass plate package according to the present invention, it is possible to prevent the contamination of the product loading pallet and the occurrence of scratches on the product loading pallet and the glass plate during transportation.

It is a perspective view which shows the glass plate package which concerns on 1st embodiment. FIG. 4 is a plan view showing a product loading pallet and a buffer pallet provided in the glass plate package according to the first embodiment; It is a side view which shows the glass plate package which concerns on 2nd embodiment.

BEST MODE FOR CARRYING OUT THE INVENTION Hereinafter, glass plate packages according to embodiments of the present invention will be described with reference to the accompanying drawings.

<First Embodiment>
As shown in FIG. 1, a glass plate package 1 (hereinafter referred to as package 1) according to the first embodiment includes a laminate 4 in which glass plates 2 and protective sheets 3 are alternately laminated, and a laminate It has a product loading pallet 5 for loading the body 4 and a cushioning pallet 6 for supporting the product loading pallet 5 from below. In this embodiment, the plurality of glass plates 2 included in the laminate 4 are stacked in a flat posture.

Here, in FIG. 1, for convenience of explanation, the edge of the protective sheet 3 is shown flush with the edge of the glass plate 2 without sticking out. However, the protective sheet 3 actually has a larger area than the glass plate 2 , and the edge of the protective sheet 3 protrudes from the edge of the glass plate 2 .

The thickness of the glass plate 2 included in the laminate 4 is preferably 0.2 mm to 1.8 mm, more preferably 0.2 mm to 0.5 mm. The glass plate 2 has a rectangular shape and preferably has a long side length of 1100 mm or more, more preferably 2200 mm or more.

The protective sheet 3 has a rectangular shape that is one size larger than the glass plate 2 . In this embodiment, interleaving paper is used as the protective sheet 3 . However, this is not the only option, and a foamed resin sheet or the like may be used instead of the interleaving paper.

The product loading pallet 5 is made of metal. Here, each member (each part) constituting the product loading pallet 5 is made of metal unless otherwise specified in the following description. In this embodiment, the product loading pallet 5 is made of an aluminum alloy. However, the material is not limited to this, and various types of steel (for example, stainless steel) may be employed as the metal forming the product loading pallet 5 .

The product loading pallet 5 is placed on a base portion 7 which is placed on the floor of the factory after being separated from the cushioning pallet 6, and is arranged on the base portion 7, and supports the laminate 4 from below. It has a pedestal part 8 that does. Both the base portion 7 and the pedestal portion 8 are integrated by means such as welding, for example. In this embodiment, both the base portion 7 and the pedestal portion 8 are rectangular in plan view (see also FIG. 2), and the pedestal portion 8 is formed smaller than the base portion 7 . In this embodiment, the rectangular shape formed by the glass plate 2 and the rectangular shape formed by the pedestal portion 8 have substantially the same area. Moreover, in the present embodiment, the pedestal portion 8 is stacked on the base portion 7, but this is not the only option. The pedestal portion 8 may be removed and the base portion 7 may function as a pedestal portion.

The base portion 7 can have a bottom portion that contacts the floor surface of the factory, for example, with a frame structure (framework structure) or three or more legs. The bottom portion (bottom surface) of such a base portion 7 has irregularities.

Each of the four corners of the base portion 7 is provided with an insertion opening 9 into which a support (not shown) can be inserted. The struts attached to the respective insertion openings 9 have the function of supporting the product loading pallets 5 in the upper tier from below when the product loading pallets 5 are stacked in a plurality of levels. When the product loading pallets 5 are stacked vertically in a plurality of stages, the cushioning pallet 6 is arranged only below the product loading pallet 5 in the lowest stage. Fork holes 10 into which the forks of a forklift can be inserted are formed in each of the four side surfaces 7a of the base portion 7. As shown in FIG.

A regulating plate 11 is attached to each of the four side surfaces 8a of the base portion 8 for regulating lateral displacement (horizontal movement) of the glass plate 2 included in the laminate 4 . Although the number of regulating plates 11 is not particularly limited, in this embodiment, two regulating plates 11 (eight in total) are arranged for each side surface 8a. Each restricting plate 11 has its lower end portion fixed to the side surface 8a of the pedestal portion 8 with a fastener (for example, a bolt or the like). The regulation plate 11 is removed when the package 1 is unpacked and the glass plate 2 is taken out from the laminate 4 .

A presser plate (not shown) is arranged on the upper surface of the laminate 4, and the presser plate is fixed to the base portion 7 via a fastener (not shown) such as a belt so that the laminate 4 is attached to the pedestal portion. 8 is held above. As the pressing plate, a cushioning plate made of foamed resin, which is thicker than the protective sheet 3 and has a high hardness, or the like is used. Further, in order to prevent dust from adhering to the glass plate 2 constituting the laminate 4, the circumference of the laminate 4 is covered with a resin sheet (not shown) as necessary.

The pedestal portion 8 has a structure in which a base 8x serving as a foundation and a cushioning plate 8y made of rubber, foamed resin, or the like are superimposed. Although not shown, the base 8x is formed in a grid pattern when viewed from above. In this embodiment, the upper surface of the buffer plate 8y constitutes the upper surface of the pedestal portion 8 that supports the laminate 4, and the side surfaces of the base 8x and the buffer plate 8y constitute the side surface 8a of the pedestal portion 8 connected to the upper surface. are doing. The regulation plate 11 is attached to the base 8x.

Here, in this embodiment, the buffer plate 8y is directly superimposed on the base 8x, but a plate made of aluminum alloy or stainless steel is interposed between the base 8x and the buffer plate 8y. good too. Also, the buffer plate 8y need not consist of a single plate, and may be divided into a plurality of small plates.

The buffer pallet 6 is made of wood. As a modification of this embodiment, the buffer pallet 6 may be made of resin. When the cushioning pallet 6 is made of resin, polypropylene (PP), polyethylene (PE), or the like can be used as the resin constituting the cushioning pallet 6 . The resin also includes fiber-reinforced resin (GFRP, CFRP, etc.) in which reinforcing fibers such as glass fiber and carbon fiber are mixed. The cushioning pallet 6 is lighter than the product loading pallet 5.

The buffer pallet 6 has a lower surface 6a that contacts the bottom of the container or the bed of the truck when the package 1 is transported, an upper surface 6b that supports the product loading pallet 5, and a side surface 6c that connects the lower surface 6a and the upper surface 6b. . The cushioning pallet 6 has a rectangular shape in plan view, and fork holes 12 into which the forks of a forklift can be inserted are formed in each of the four side surfaces 6c.

If the upper surface 6b of the buffer pallet 6 is made of wood, it is composed of a plurality of plates arranged side by side at predetermined intervals. can be done. The upper surface 6b of such a buffer pallet 6 has irregularities.

The buffer pallet 6 can be fixed to and released from the product loading pallet 5 . As a result, both the pallets 5 and 6 can be fixed during transportation (when the package 1 is accommodated in a container or when the package 1 is loaded onto a truck bed), and both pallets 5 can be fixed after transportation. , 6 can be released to separate them. When both pallets 5 and 6 are fixed, binding bands 13 passed through both the fork holes 10 of the product loading pallet 5 and the fork holes 12 of the cushioning pallet 6 are tied, so that both pallets 5 and 6 are fixed. be done. On the other hand, by untying the binding band 13, both pallets 5 and 6 are released from the fixation. Although the material of the binding band 13 is not particularly limited, one example is PP (polypropylene).

A foamed resin plate 14 as an elastic member is interposed between the product loading pallet 5 and the buffer pallet 6 . The foamed resin plate 14 can be deformed according to the load applied thereto. The foamed resin plate 14 bites into the uneven protrusions of the pallets 5 and 6 and fills the recesses, thereby preventing slippage between the pallets 5 and 6 . The foamed resin plate 14 is laid on the upper surface 6b of the buffer pallet 6 in a state where it is not fixed to either of the pallets 5,6. The foamed resin plate 14 may be laid so as to cover the entire area of the upper surface 6b of the buffer pallet 6, or may be laid so as to cover only the area of the upper surface 6b that comes into contact with the product loading pallet 5. Here, as a modification of the present embodiment, a rubber plate may be used as an elastic member instead of the foamed resin plate 14, but the foamed resin plate 14 is used from the viewpoint of reducing the mass and facilitating handling. is preferred.

A specific example of the foamed resin is polyethylene foam or the like. The hardness of the foamed resin (elastic member) is preferably 25 to 35 kPa in compression hardness according to JIS K6767 1999. The thickness of the foamed resin plate 14 (elastic member) is preferably 30 to 50 mm.

As shown in FIG. 2 (not shown except for both pallets 5, 6 and foamed resin plate 14), in plan view, the outer peripheral edge of the cushioning pallet 6 protrudes from the outer peripheral edge of the product loading pallet 5. there is In this embodiment, the outer peripheral end of the buffer pallet 6 is formed by the side surface 6c, and the outer peripheral end of the product loading pallet 5 is formed by the side surface 7a of the base portion 7. As shown in FIG. The overhanging length L is preferably in the range of 5 mm to 200 mm. Here, both the pallets 5 and 6 may be fixed so as not to allow any relative movement between them at all. The relative movement may be permitted within a range in which the outer peripheral end portion does not protrude from the outer peripheral end portion of the buffer pallet 6 .

The main actions and effects of the package 1 will be described below.

According to the above-described package 1, when the package 1 is stored in a container or loaded on the bed of a truck for transportation, dirt on the container or bed adheres to the cushioning pallet 6 instead of the product loading pallet 5. It's easy to do. As a result, contamination of the product loading pallet 5 can be prevented. In addition, since the cushioning pallet 5 is made of wood or resin and serves as a cushioning material, it acts on the product loading pallet 5 and the glass plates 2 (laminated body 4) loaded thereon during transportation of the package 1. It is possible to suppress vibrations and impacts that occur. As a result, the product loading pallet 5 and the glass plate 2 can be prevented from being damaged.

<Second embodiment>
A glass plate package according to the second embodiment will be described below. In the description of the second embodiment, elements that are substantially the same as the elements described in the first embodiment above are duplicated by attaching the same reference numerals to the drawings referred to in the description of the second embodiment. Description will be omitted, and only differences from the first embodiment will be described.

As shown in FIG. 3, the package 1 according to the second embodiment differs from the package 1 according to the first embodiment described above in the configuration of the product loading pallet 5 .

In the second embodiment, a plurality of glass plates 2 included in the laminate 4 are superimposed in a vertically placed posture. In order to cope with this, the product loading pallet 5 has a lower side support portion 5a that supports the lower side portion of the glass plate 2 and a back side support portion 5b that supports the glass plate 2 from the back side. With the package 1 according to the second embodiment as well, it is possible to obtain the same main functions and effects as the package 1 according to the first embodiment.

Here, the glass plate package according to the present invention is not limited to the configuration described in the above embodiment. For example, in the above-described embodiment, the product loading pallet 5 and the buffer pallet 6 are configured to be fixed by the binding band 13, but the binding band 13 is not essential and may be omitted as appropriate. Pallet 5 may be placed on buffer pallet 6 . From the viewpoint of preventing the product loading pallet 5 and the glass plate 2 from being damaged, it is preferable to fix the product loading pallet 5 to the buffer pallet 6 . When fixing, it may be fixed not only by the binding band 13 but also by a bolt, or by fitting a convex portion provided on the buffer pallet 6 with a concave portion provided on the product loading pallet 5 . From the viewpoint of fixing the product loading pallet 5 and the buffer pallet 6 while allowing a slight relative movement, it is preferable to fix them with a binding band.

REFERENCE SIGNS LIST 1 glass plate package 2 glass plate 4 laminate 5 product loading pallet 6 buffer pallet 6c side 7a side 14 foamed resin plate

Claims (7)

A glass plate package comprising a laminate including a plurality of glass plates and a metal product loading pallet for loading the laminate,
Further comprising a cushioning pallet that supports the product loading pallet from below and is separable from the product loading pallet ,
The buffer pallet is made of wood or resin,
A glass plate package , wherein the product loading pallet has a fork hole into which a fork of a forklift can be inserted on a side surface thereof . 2. The glass sheet package according to claim 1, wherein the outer peripheral edge of said buffer pallet protrudes from the outer peripheral edge of said product loading pallet in plan view. 3. The glass sheet package according to claim 1, further comprising an elastic member interposed between said product loading pallet and said buffer pallet. 4. The glass plate package according to claim 1, wherein said product loading pallet and said buffer pallet can be fixed. The glass plate package according to any one of claims 1 to 4, wherein the buffer pallet is made of wood. The glass plate package according to any one of claims 1 to 5, wherein the plurality of glass plates are stacked in a flat posture. The glass plate package according to any one of claims 1 to 5, wherein the plurality of glass plates are stacked vertically.

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