WO2024024351A1 - Glass sheet packaging pallet, glass sheet packaging body, and method for manufacturing glass sheet packaging body - Google Patents

Glass sheet packaging pallet, glass sheet packaging body, and method for manufacturing glass sheet packaging body Download PDF

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Publication number
WO2024024351A1
WO2024024351A1 PCT/JP2023/023197 JP2023023197W WO2024024351A1 WO 2024024351 A1 WO2024024351 A1 WO 2024024351A1 JP 2023023197 W JP2023023197 W JP 2023023197W WO 2024024351 A1 WO2024024351 A1 WO 2024024351A1
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WO
WIPO (PCT)
Prior art keywords
glass plate
buffer member
pallet
laminate
packing
Prior art date
Application number
PCT/JP2023/023197
Other languages
French (fr)
Japanese (ja)
Inventor
佳範 西川
Original Assignee
日本電気硝子株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 日本電気硝子株式会社 filed Critical 日本電気硝子株式会社
Publication of WO2024024351A1 publication Critical patent/WO2024024351A1/en

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D19/00—Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
    • B65D19/38—Details or accessories
    • B65D19/44—Elements or devices for locating articles on platforms
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D85/00—Containers, packaging elements or packages, specially adapted for particular articles or materials
    • B65D85/30—Containers, packaging elements or packages, specially adapted for particular articles or materials for articles particularly sensitive to damage by shock or pressure
    • B65D85/48—Containers, packaging elements or packages, specially adapted for particular articles or materials for articles particularly sensitive to damage by shock or pressure for glass sheets

Definitions

  • the present invention relates to a pallet for packing glass plates, a glass plate package formed by packing glass plates on a pallet, and a method for manufacturing a glass plate package.
  • glass plate packaging pallets When transporting various glass plates, including glass substrates for displays such as liquid crystal displays, glass plate packaging pallets are used.
  • a glass plate packing pallet can accommodate a glass plate laminate in which a plurality of glass plates are stacked vertically with a protective sheet (for example, interleaving paper, etc.) in between.
  • the glass plate packing pallet has a base portion in which the glass plate laminate is accommodated above, a bottom support portion that supports the bottom side of the glass plate laminate, and a back support portion that supports the back side of the glass plate laminate. (For example, see Patent Document 1).
  • the bottom support part of the glass plate packaging pallet is equipped with a buffer member at the part where the bottom side of the glass plate laminate comes into contact, in order to prevent the glass plates from being damaged by shocks, vibrations, etc.
  • the bottom portion of the glass plate included in the glass plate laminate is supported by a buffer member. However, even when the glass plate is supported by the buffer member, the bottom portion of the glass plate may be damaged. The reason why the bottom portion of the glass plate is damaged will be explained below.
  • the glass plate is transported to the glass plate packaging pallet by the transport device.
  • the conveying device includes, for example, a set of chucks (grips) that grip the upper side of the glass plate.
  • the chuck is configured to grip the glass plate at a plurality of locations including one end in the width direction of the upper side and the other end in the width direction of the upper side.
  • the chuck suspends and supports the glass plate and transports it to the glass plate packaging pallet.
  • the shape of the bottom side of the glass plate is not stable, and the glass plate may be placed on the bottom support part with the bottom side curved. Note that even in a conveyance device that uses a suction pad instead of a chuck, the object may be placed on the bottom support portion with the bottom portion curved.
  • the buffer member cannot uniformly support the bottom portion of the glass plates. For this reason, the buffer member was unable to sufficiently absorb the impact during transportation, resulting in damage to the bottom portion of the glass plate.
  • the present invention has been made in view of the above-mentioned circumstances, and its technical problem is to prevent damage to the bottom portions of glass plates packed in glass plate packaging pallets.
  • the present invention is intended to solve the above-mentioned problems, and includes a base portion in which a glass plate laminate including a glass plate and a protective sheet is accommodated upward in a vertical position, and a base portion for storing the glass plate laminate in a vertical position.
  • a pallet for packing glass plates comprising a back side support part that supports a back side, and a bottom side support part that supports a bottom side of the glass plate laminate, wherein the glass plate supports the bottom side of the glass plate laminate.
  • the base portion includes a first end portion and a second end portion in the width direction of the glass plate, and an intermediate portion located between the first end portion and the second end portion.
  • the bottom support portion includes a buffer member disposed between the base portion and the glass plate laminate, and an intervening member disposed between the buffer member and the glass plate laminate.
  • the buffer member includes a space provided at a position corresponding to the intermediate portion in the bottom portion of the glass plate, and a space provided at a position corresponding to the intermediate portion in the bottom portion of the glass plate, and the first end portion and the second end portion in the bottom portion of the glass plate.
  • a support portion that supports an end portion, and the intervening member has a first portion disposed at a position corresponding to the space portion of the buffer member, and a position of the buffer member corresponding to the support portion. and a second portion disposed in the second portion.
  • the buffer member has the space, the first portion of the intervening member disposed at a position corresponding to the space is easily deformed toward the space. Thereby, it is possible to prevent excessive pressure from acting on the middle part of the bottom side of the glass plate, and it is possible to effectively prevent damage to this bottom side.
  • a space may be formed in the space portion. This makes it easier for the first portion of the intervening member to deform toward this space.
  • a second buffer member having lower rigidity than the support portion of the buffer member may be disposed in the space.
  • the second buffer member may be made of a material having a compressive stress that is 25% smaller than that of the support portion of the buffer member.
  • the buffer member is arranged such that the first end and the second end of the bottom portion of the glass plate are located in the width direction from the buffer member. It may be installed on the base portion so as to protrude into the base portion.
  • each end of the bottom portion of the glass plate can be prevented from coming into contact with the buffer member. This makes it possible to prevent damage to each end of the bottom portion of the glass plate.
  • the bottom support portion includes a cover member that covers the intervening member between the intervening member and the glass plate laminate, and the cover The member may include at least one of rubber material, cardboard, foamed resin, and plastic cardboard.
  • the buffer member may include at least one of a rubber material and a foamed resin. Thereby, the buffer member can fully exhibit its buffering effect.
  • a glass plate package according to the present invention is intended to solve the above problem, and is characterized in that the glass plate laminate is packed in the glass plate packaging pallet described above.
  • the method for manufacturing a glass plate package according to the present invention is for solving the above-mentioned problems, and includes a packing step of packing the glass plate laminate into the above-mentioned glass plate packing pallet, The step includes a placing step of placing the glass plate on the bottom support portion, and in the placing step, the first portion of the intervening member contacts the intermediate portion of the bottom portion of the glass plate. The first portion is deformed toward the inside of the space portion of the buffer member so as to prevent the shock absorbing member from being damaged.
  • the intermediate portion of the bottom portion of the glass plate becomes the first portion of the intervening member.
  • the intermediate portion of the bottom portion of the glass plate can be prevented from coming into contact with. Therefore, it is possible to prevent excessive pressure from acting on the intermediate portion of the bottom side of the glass plate, and to prevent damage to the bottom side of the glass plate.
  • the present invention is intended to solve the above-mentioned problems, and includes a base portion in which a glass plate laminate including a glass plate and a protective sheet is accommodated upward in a vertical position;
  • a pallet for packing glass plates comprising a back side support part that supports a back side, and a bottom side support part that supports a bottom side of the glass plate laminate, wherein the glass plate supports the bottom side of the glass plate laminate.
  • the base portion includes a first end portion and a second end portion in the width direction of the glass plate, and an intermediate portion located between the first end portion and the second end portion.
  • the bottom support part is configured such that pressure acting on the intermediate portion of the bottom portion of the glass plate acts on the first end portion or the second end portion of the bottom portion of the glass plate.
  • the glass plate is supported so that the pressure is lower than the pressure applied to the glass plate.
  • FIG. 1 is a perspective view of a glass plate package according to a first embodiment of the present invention. It is a side view of a glass plate package. It is a front view of a glass plate package. It is a perspective view of a glass plate.
  • FIG. 2 is an exploded perspective view of the bottom support portion of the glass plate packaging pallet. It is a front view which shows the mounting process in the manufacturing method of a glass plate package. It is a front view which expands and shows a part of bottom support part of a pallet for glass plate packaging. It is a perspective view which shows the state which fixed the glass plate laminated body in a glass plate package.
  • FIG. 3 is a perspective view of a glass plate package according to a second embodiment of the present invention.
  • FIG. 2 is an exploded perspective view of the bottom support portion of the glass plate packaging pallet. It is a perspective view of a glass plate package concerning a third embodiment of the present invention.
  • FIG. 2 is an exploded perspective view of the bottom support portion of the glass plate packaging pallet.
  • FIG. 7 is a perspective view of a glass plate package according to a fourth embodiment of the present invention.
  • FIG. 2 is an exploded perspective view of the bottom support portion of the glass plate packaging pallet.
  • FIG. 3 is a perspective view of a glass plate package according to a fifth embodiment of the present invention.
  • FIG. 2 is an exploded perspective view of the bottom support portion of the glass plate packaging pallet.
  • FIG. 1 to 8 show a first embodiment of the present invention.
  • a glass plate package (hereinafter simply referred to as "package") 1 according to the first embodiment includes a glass plate laminate (hereinafter simply referred to as "laminate") 2, A glass plate packaging pallet (hereinafter simply referred to as "pallet”) 3 is provided.
  • the laminate 2 is formed by stacking a plurality of glass plates G and a protective sheet P in a vertical orientation (in this embodiment, an inclined orientation).
  • both the glass plate G and the protective sheet P have a rectangular shape, and the protective sheets P are arranged on the frontmost side and the rearmost side of the laminate 2.
  • the weight of the laminate 2 is, for example, 1500 kg to 4000 kg.
  • the number of glass plates G included in the laminate 2 is, for example, 200 to 400.
  • the size of the glass plate G is, for example, 730 mm x 920 mm to 3200 mm x 3600 mm, and the thickness dimension of the glass plate G is, for example, 300 ⁇ m to 1500 ⁇ m.
  • the glass plate G is, for example, a display glass substrate.
  • the glass plate G is located between an upper side Ga forming the upper side of the laminate 2, a bottom side Gb forming the bottom side of the laminate 2, and between the upper side Ga and the bottom side Gb. It has a pair of side portions Gc and Gd.
  • the upper side Ga of the glass plate G has one end (hereinafter referred to as "first end”) Ga1 and the other end (hereinafter referred to as "second end”) Ga2 in the width direction X, and the first end Ga1 and the second end Ga2. It has an intermediate part Ga3 located between the two end parts Ga2.
  • the width dimension Wa1 of the first end portion Ga1 is approximately equal to the width dimension Wa2 of the second end portion Ga2.
  • the width dimension Wa3 of the intermediate portion Ga3 is preferably 15 to 60% of the width dimension Wa of the upper side portion Ga.
  • the conveyance device includes a plurality of gripping parts CH that grip the upper side Ga, for example.
  • the gripping part CH is configured to grip the first end Ga1 and the second end Ga2 of the upper side Ga, as shown by the two-dot chain line in FIG.
  • the bottom side Gb of the glass plate G has one end (hereinafter referred to as "first end”) Gb1 and the other end (hereinafter referred to as "second end”) Gb2 in the width direction X, and the first end Gb1 and the second end Gb2. It has an intermediate portion Gb3 located between the two end portions Gb2.
  • the width Wb of the bottom side Gb is approximately equal to the width Wa of the top side Ga.
  • the width dimension Wb1 of the first end Gb1 of the bottom side Gb is approximately equal to the width dimension Wb2 of the second end Gb2 of the bottom side Gb.
  • the width dimension Wb3 of the intermediate portion Gb3 of the bottom side portion Gb is approximately equal to the width dimension Wa3 of the intermediate portion Ga3 of the upper side portion Ga.
  • the side portions Gc and Gd of the glass plate G are linear sides that are approximately perpendicular to the top side Ga and the bottom side Gb.
  • the angles that each of the side portions Gc and Gd make with the top portion Ga and the bottom portion Gb are not limited to those in this embodiment.
  • the protective sheet P is, for example, interleaf paper (pure pulp paper) or a foamed resin sheet.
  • the size of the protective sheet P is larger than the glass plates G so that the glass plates G do not come into direct contact with each other. That is, the protective sheet P may protrude to the side and/or above of the glass plate G. However, it is preferable that the protective sheet P does not protrude below the glass plate G.
  • the protective sheet P is supplied to the pallet 3 while being held in a vertical position by a sheet supply device.
  • the pallet 3 includes a base portion 4 in which the stacked product 2 is accommodated above, a bottom support portion 5 that supports the bottom side of the stacked product 2, and a back support portion 6 that supports the back surface of the stacked product 2.
  • the base portion 4 is formed of a metal frame made of, for example, stainless steel, carbon steel, or aluminum alloy.
  • the bottom support part 5 includes a bottom part 5a provided on the base part 4, a buffer member 7 disposed between the base part 4 (bottom part 5a) and the laminate 2, and a buffer member 7 and the laminate. 2, and a cover member 9 that covers the intervening member 8 between the intervening member 8 and the laminate 2.
  • the bottom surface portion 5a is composed of a metal frame made of stainless steel, carbon steel, aluminum alloy, etc., for example. Further, the bottom surface portion 5a forms a bottom surface (top surface) on which the buffer member 7 is placed.
  • the buffer member 7 includes at least one of a rubber material and a foamed resin.
  • the buffer member 7 is made of a foamed resin board, it is formed using, for example, foamed polypropylene, foamed urethane, foamed styrene, foamed melamine, or the like as a main material.
  • the foaming ratio of the foamed resin board is preferably 10 to 40 times, for example.
  • the thickness of the foamed resin plate is preferably 10 mm to 30 mm, for example.
  • the 25% compressive stress of the foamed resin plate is preferably 100 to 300 kPa, for example.
  • the buffer member 7 is arranged so that it can be separated from the bottom surface of the bottom portion 5a without being bonded to the bottom surface.
  • the buffer member 7 supports the entire width of the bottom side Gb of the glass plate G included in the laminate 2. That is, the width dimension Wc of the buffer member 7 is larger than the width dimension Wb of the glass plate G at the bottom side Gb.
  • the buffer member 7 includes a pair of support parts 10 and 11 that support ends Gb1 and Gb2 on the bottom side Gb of the glass plate G, and a connecting part 12 that connects the pair of support parts 10 and 11. and a recess 13 formed above the connecting portion 12.
  • the pair of support parts 10 and 11 support the bottom part Gb of the glass plate G included in the laminate 2, excluding the intermediate part Gb3, that is, the respective ends Gb1 and Gb2 of the bottom part Gb.
  • the pair of supports 10 and 11 includes a first support part 10 that supports a first end Gb1 of the bottom side Gb of the glass plate G, and a second support part 11 that supports a second end Gb2 of the bottom side Gb. ,including.
  • the width dimension Wc1 of the first support part 10 is equal to the width dimension Wc2 of the second support part 11.
  • the connecting part 12 connects the lower part of the first supporting part 10 and the lower part of the second supporting part 11.
  • the thickness of the connecting portion 12 is smaller than the thickness of each of the supporting portions 10 and 11.
  • the recess 13 has a bottom surface 13a and a side wall surface 13b.
  • the bottom surface 13a is constituted by the top surface of the connecting portion 12.
  • the side wall surface 13b is constituted by a side surface of the first support section 10 and a side surface of the second support section 11.
  • the lower limit of the ratio Wc3/Wb of the width Wc3 of the recess 13 to the width Wb of the bottom Gb of the glass plate G is preferably 15%, more preferably 20%, still more preferably 25%, and the upper limit is preferably 60%, more preferably 50%, and even more preferably 40%.
  • the lower limit of the height H of the recess 13 is preferably 5 mm, more preferably 10 mm, and even more preferably 15 mm. It is preferable that the upper limit of the height dimension H of the recessed portion 13 is set within a range in which the connecting portion 12 is not damaged.
  • the recessed portion 13 is arranged at a position corresponding to the intermediate portion Gb3 on the bottom side Gb of the glass plate G.
  • the recess 13 has a space that allows a portion of the intervening member 8 stacked on the buffer member 7 to enter inside. That is, the recess 13 deforms a part of the intervening member 8 inside this space so that when the glass plates G are loaded on the pallet 3, excessive pressure is not applied to the intermediate part Gb3 of the bottom part Gb. It functions as a space for
  • the intervening member 8 is made of natural rubber, for example, and has a type A durometer hardness of 40 to 70.
  • the thickness of the intervening member 8 is preferably 2 mm to 10 mm, for example.
  • the thickness of the intervening member 8 is preferably smaller than the thickness of the buffer member 7.
  • the width dimension Wd of the intervening member 8 is approximately equal to the width dimension Wc of the buffer member 7.
  • the width dimension Wd of the intervening member 8 is not limited to this embodiment, and may be different from the width dimension Wc of the buffer member 7.
  • the intervening member 8 includes a first portion 14 located at a position corresponding to the recess 13 (space) of the buffer member 7, and a first portion 14 located at a position corresponding to the support portions 10, 11 of the buffer member 7. a pair of second portions 15 and 16 disposed at.
  • the first portion 14 is arranged to cover the recess 13 of the buffer member 7.
  • the width Wd1 of the first portion 14 is approximately equal to the width Wc3 of the recess 13 of the buffer member 7.
  • the first portion 14 can be deformed downward by its own weight when placed on the buffer member 7.
  • the first portion 14 deforms into a concave shape so as to fit inside the concave portion 13 of the buffer member 7.
  • This deformation causes the first portion 14 to be located below the second portions 15 and 16.
  • a gap is formed between the first portion 14 and the bottom surface 13a of the recess 13. Therefore, even when the first portion 14 is deformed into a concave shape, it does not come into contact with the bottom surface 13a of the concave portion 13.
  • the pair of second portions 15 and 16 are arranged so as to overlap the support portions 10 and 11 of the buffer member 7.
  • the second portions 15 and 16 are arranged so as to be separable from the support portions 10 and 11 without being bonded to the support portions 10 and 11.
  • the width dimension Wd2 of the second portions 15 and 16 is approximately equal to the width dimension Wc1 and Wc2 of the support portions 10 and 11 of the buffer member 7. Parts of the second portions 15 and 16 protrude outward in the width direction X beyond the side portions Gc and Gd of the glass plate G.
  • the cover member 9 includes at least one of a rubber material, cardboard, foamed resin, and plastic cardboard.
  • the cover member 9 in this embodiment is made of, for example, cardboard.
  • Cardboard is made of paperboard such as chipboard, and also includes a form of corrugated paperboard with a multilayer structure of paperboard.
  • the cover member 9 is a single plate continuous in the width direction X of the laminate 2 .
  • the thickness of the cover member 9 is preferably 0.5 mm to 2 mm, for example.
  • the width We of the cover member 9 is approximately equal to the width Wc of the buffer member 7.
  • the cover member 9 is arranged so that it can be separated from the upper surface of the intervening member 8 without being adhered to it.
  • the cover member 9 directly contacts the bottom side Gb of the glass plate G included in the laminate 2, and serves to protect the buffer member 7 and the intervening member 8 from the bottom side Gb of the glass plate G. Note that the cover member 9 may be omitted and the intervening member 8 may be brought into direct contact with the laminate 2.
  • the cover member 9 includes a first contact portion 17 that contacts the first portion 14 of the intervening member 8, and a pair of second contact portions that contact the second portions 15 and 16 of the intervening member 8. It has parts 18 and 19.
  • the first contact portion 17 is overlapped with the first portion 14 of the intervening member 8 so as to be located above the recess 13 of the buffer member 7.
  • the first contact portion 17, like the first portion 14 of the intervening member 8, can be deformed downward. That is, in a state where the cover member 9 is stacked on the intervening member 8, the first contact portion 17 is deformed into a concave shape like the first portion 14 of the intervening member 8. Due to this deformation, the first contact portion 17 is located below the second contact portions 18 and 19.
  • the width We1 of the first contact portion 17 is approximately equal to the width Wc3 of the recess 13 of the buffer member 7.
  • the second contact portions 18 and 19 are stacked on the second portions 15 and 16 of the intervening member 8 so as to be located above the support portions 10 and 11 of the buffer member 7.
  • the second contact portions 18 and 19 are in contact with respective ends Gb1 and Gb1 of the bottom side Gb of the glass plate G. Parts of the second contact portions 18 and 19 protrude outward in the width direction X from the side portions Gc and Gd of the glass plate G.
  • the width We2 of the second contact portions 18 and 19 is approximately equal to the width Wc1 and Wc2 of the support portions 10 and 11 of the buffer member 7.
  • the back support part 6 includes a back part 20 that stands up from the base part 4 and a buffer member 21 provided on the front surface of the back part 20.
  • the back portion 20 is formed from a metal frame made of stainless steel, carbon steel, aluminum alloy, or the like.
  • the buffer member 21 is laminated on the front surface of the back section 20 so that it can be separated from the front surface of the back section 20 without being bonded.
  • the buffer member 21 supports the entire back surface of the glass plate G included in the laminate 2 .
  • the buffer member 21 is formed of, for example, a rubber plate, a foamed resin plate, or a laminate thereof.
  • the foamed resin board include those formed mainly of foamed polypropylene, foamed urethane, foamed styrene, foamed melamine, and the like.
  • the buffer member 21 is a foamed polypropylene plate.
  • the upper surface of the bottom support portion 5, that is, the upper surface of the cover member 9, is tilted upward as it moves away from the back support portion 6 at a predetermined angle ⁇ 1 (for example, 5° to 60°) with respect to the horizontal direction. It is tilted in the direction of transition to .
  • the front surface of the back support portion 6, that is, the front surface of the buffer member 21 is oriented at a predetermined angle ⁇ 2 (for example, 5° to 60°) with respect to the vertical direction, and shifts toward the rear as it moves away from the bottom support portion 5. It is sloping.
  • the front surface of the back support part 6 is approximately perpendicular to the top surface of the bottom support part 5. The angle that the front surface of the back support part 6 makes with the top surface of the bottom support part 5 is not limited to this embodiment.
  • the method includes a packing step of packing the laminate 2 into a pallet 3.
  • the packing process includes a placing process of placing the glass plate G on the pallet 3.
  • the glass plate G which is transported in a vertical position by the gripping section CH of the transport device, is mounted on the bottom support section 5 of the pallet 3.
  • the protective sheet P conveyed in a vertical position by the sheet supply device SV is supplied to the pallet 3 so as to overlap the glass plate G.
  • the gripping section CH of the conveying device and the sheet supplying device SV stop the glass plate G and the protective sheet P at a position above the bottom support section 5 of the pallet 3, and then The plate G and the protective sheet P are lowered at low speed. Due to this movement, the bottom side Gb of the glass plate G comes into contact with the bottom side support part 5.
  • each end Gb1, Gb2 of the bottom side Gb of the glass plate G contacts the second contact portions 18, 19 of the cover member 9.
  • Each of the support parts 10 and 11 of the buffer member 7 is connected to each end of the bottom part Gb of the glass plate G via the second contact parts 18 and 19 of the cover member 9 and the second parts 15 and 16 of the intervening member 8. Supports Gb1 and Gb2.
  • the intermediate portion Gb3 of the bottom side Gb of the glass plate G does not contact the first contact portion 17 of the cover member 9, which is deformed into a concave shape.
  • a gap GP is formed between the first contact portion 17 of the cover member 9 and the intermediate portion Gb3 of the bottom portion Gb of the glass plate G. Therefore, the intermediate portion Gb3 of the bottom side Gb of the glass plate G is not pressed by the bottom side support portion 5.
  • the intermediate part Gb3 at the bottom side Gb of the glass plate G is bent, and the intermediate part Gb3 at the bottom side Gb of the glass plate G is turned into a cover member. It may come into contact with the first contact portion 17 of No. 9 in some cases. However, when the first contact portion 17 of the cover member 9 comes into contact with the bottom side Gb of the glass plate G, it can be deformed inside the recess 13. It can prevent excessive pressure from being applied.
  • the gripping section CH of the conveyance device releases the grip on the glass plate G. Further, the sheet supply device SV releases the grip on the protective sheet P. Thereby, the glass plate G is supported in an inclined posture by the bottom support portion 5 and the back support portion 6.
  • a laminate 2 is constructed by placing a predetermined number of glass plates G on a pallet 3.
  • the package 1 is shipped (transported) with the laminate 2 fixed to the pallet 3, for example, by a predetermined fixing means.
  • the fixing means is not particularly limited, as shown in FIG.
  • a device including a side stopper 24 disposed between the belt 22 and the side of the laminate 2 can be used.
  • Both ends of the belt 22 in the longitudinal direction are hung on hooks 25 provided on the back support part 6 with the stacked body 2 stored in a predetermined position on the pallet 3 in a vertical position, and held in a double state. It is fixed on the front surface of the member 23 in a tightened state using a ratchet or the like (not shown). Thereby, the stacked body 2 is fixed to the pallet 3 in a state in which movement in the front, back, right and left directions is restricted.
  • the frame board 26 is placed on the frontmost side of the laminate 2, and the frame board 26, the laminate 2, and the pressing member 23 are held together by the belt 22 on the back support part 6 side. You can also press it. Further, in order to prevent dust from adhering to the laminate 2, the laminate 2 may be covered with a protective bag or wrapped with a protective film.
  • the pallet 3, and the manufacturing method of the package 1 according to the embodiment described above when the laminate 2 is placed on the pallet 3, the bottom part of the glass plate G included in the laminate 2 Gb is supported by the support parts 10 and 11 of the buffer member 7 via the intervening member 8.
  • the first portion 14 of the intervening member 8 located so as to cover the recess 13 (space) of the buffer member 7 is deformed into a concave shape toward the inside of the recess 13. Therefore, excessive pressure is prevented from acting on the intermediate portion Gb3 of the bottom portion Gb of the glass plate G. This makes it possible to prevent damage to the bottom portion Gb (intermediate portion Gb3) of the glass plate G.
  • the connection part 12 since the first support part 10 and the second support part 11 of the buffer member 7 in the bottom support part 5 are connected by the connection part 12, the interval between them is always constant. Thereby, the work of installing the buffer member 7 on the base portion 4 (bottom portion 5a) can be performed efficiently.
  • the package 1 may be stored for a certain period of time after or before shipping. Further, depending on the transportation means and transportation route of the package 1, the transportation period may be prolonged. In this case, the buffer member 7 of the bottom support portion 5 is compressed by the weight of the laminate 2 and gradually contracts over time. As a result, the thickness of the support portions 10 and 11 of the buffer member 7 gradually decreases. As the thickness of the supporting parts 10 and 11 gradually decreases in this way, the gap formed between the first part 14 of the intervening member 8 and the bottom surface 13a of the recessed part 13 gradually becomes smaller. Accordingly, the gap GP formed between the first contact portion 17 of the cover member 9 of the bottom support portion 5 and the intermediate portion Gb3 of the bottom portion Gb of the glass plate G also gradually becomes smaller.
  • this gap GP may disappear and the first contact portion 17 of the cover member 9 may come into contact with the intermediate portion Gb3 of the bottom portion Gb of the glass plate G.
  • the intermediate portion Gb3 of the bottom side Gb of the glass plate G is supported by the center portion of the bottom side support portion 5 (the first contact portion 17 of the cover member 9 and the first portion 14 of the intervening member 8).
  • the pressure acting between the first portion 14 of the intervening member 8 and the intermediate portion Gb3 at the bottom portion Gb of the glass plate G is due to the presence of the recess 13 (space) of the buffer member 7 below. Therefore, the pressure acting between the second portions 15, 16 of the intervening member 8 and the respective ends Gb1, Gb2 of the bottom side Gb of the glass plate G is smaller.
  • the buffer member 7 includes a first buffer member 7A and a second buffer member 7B.
  • the first buffer member 7A has supporting parts 10 and 11, a connecting part 12, and a recessed part 13, similarly to the first embodiment.
  • the width Wc of the first buffer member 7A is smaller than the width Wb of the glass plate G at the bottom Gb. That is, the buffer member 7 is configured such that the end portions Gb1 and Gb2 of the bottom portion Gb of the glass plate G protrude laterally (outward in the width direction X) from the support portions 10 and 11 of the first buffer member 7A. It is installed on the base section 4.
  • the upper limit of the amount of protrusion of the ends Gb1 and Gb2 of the bottom side Gb of the glass plate G from the support parts 10 and 11 of the first buffer member 7A is preferably 300 mm, more preferably 100 mm, and the lower limit is , preferably 10 mm, more preferably 30 mm.
  • the second buffer member 7B is configured in a plate or block shape that can fit into the recess 13 of the first buffer member 7A.
  • the second buffer member 7B is made of a material having a compressive stress 25% smaller than that of the support parts 10 and 11 of the first buffer member 7A.
  • the 25% compressive stress of the second buffer member 7B is preferably 50 to 100 kPa, for example. Thereby, the second buffer member 7B has lower rigidity than the support parts 10 and 11 of the first buffer member 7A.
  • the width Wc4 of the second buffer member 7B is approximately equal to the width Wc3 of the recess 13 of the first buffer member 7A.
  • the thickness dimension of the second buffer member 7B is smaller than the thickness dimension of the support parts 10 and 11 of the first buffer member 7A.
  • the thickness of the second buffer member 7B is approximately equal to the depth of the recess 13 of the first buffer member 7A.
  • the first portion 14 of the intervening member 8 is deformed downward into a concave shape due to its own weight.
  • the first contact portion 17 of the cover member 9 is in contact with the first portion 14 of the intervening member 8 and is deformed downward into a concave shape.
  • the second buffer member 7B is in contact with the first portion 14 of the intervening member 8 while being accommodated in the recess 13 of the first buffer member 7A.
  • the upper surface of the second buffer member 7B is deformed into a concave shape by being pressed by the first portion 14.
  • the second buffer member 7B accommodated in the space (recess 13) provided in the first buffer member 7A of the bottom support portion 5 causes the first buffer member 8 of the intervening member 8 to It becomes possible to adjust the amount of deformation of the portion 14 and the first contact portion 17 of the cover member 9.
  • the ends Gb1 and Gb2 of the bottom side Gb of the glass plate G protrude from the support parts 10 and 11 of the first buffer member 7A in the width direction This makes it possible to prevent the application of excessive pressure and prevent damage to the ends Gb1 and Gb2.
  • the buffer member 7 includes a first connecting part 12a that connects the upper parts of the supporting parts 10 and 11, a second connecting part 12b that connects the lower parts of the supporting parts 10 and 11, and a first connecting part 12a and a second connecting part. It has a hole 7a as a space formed between the part 12b and the part 12b.
  • the first connecting portion 12a is in contact with the first portion 14 of the intervening member 8.
  • the first connecting portion 12a is deformed downward into a concave shape by being pressed by the first portion 14.
  • the hole 7a is configured to penetrate the buffer member 7 back and forth, but is not limited to this configuration. One of the two openings of the hole 7a may be closed.
  • the configuration of the buffer member in the bottom support portion is different from that in the first embodiment.
  • the buffer member 7 has a connecting portion 12 that connects the upper portions of the supporting portions 10 and 11, and a recess 13 as a space formed below the connecting portion 12.
  • the buffer member 7 does not have a connecting portion that connects the lower portions of the supporting portions 10 and 11 to each other. With this configuration, the recess 13 has a configuration that opens downward.
  • 16 and 17 show a fifth embodiment of the present invention.
  • the configuration of the buffer member in the bottom support portion is different from that in the first embodiment.
  • the buffer member 7 does not have a connecting part that connects the supporting parts 10 and 11. That is, the buffer member 7 has a pair of support parts 10 and 11 that are configured in a plate shape or a block shape and are separated, and a space part S that is formed between the pair of support parts 10 and 11.
  • the pair of support parts 10 and 11 are installed on the base part 4 while being spaced apart in the width direction X so as to support the respective ends Gb1 and Gb2 of the bottom part Gb of the glass plate G.
  • the space S formed between the first support part 10 and the second support part 11 is free from the downward deformation of the first part 14 of the intervening member 8 and the first contact part 17 of the cover member 9. can be tolerated.
  • the width dimension Wc of the buffer member 7 can be adjusted by changing the positions of the support parts 10 and 11. Thereby, it becomes possible to set the buffer member 7 to the optimal width dimension Wc according to the size of the laminate 2.
  • the rigidity of the second buffer member 7B is lowered by using a material with a compressive stress 25% smaller than that of the first buffer member 7A as the material of the second buffer member 7B.
  • the second buffer member 7B may be modified by providing holes or grooves in the second buffer member 7B, dividing the second buffer member 7B into a plurality of members, reducing the lateral dimension of the second buffer member 7B, etc.
  • the rigidity of the second buffer member 7B may be reduced by changing the shape and dimensions.
  • the buffer member 7 is provided with a recess or a space, but the present invention is not limited to this.
  • a second buffer member may be provided to fit into the recess or space.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Packaging Frangible Articles (AREA)

Abstract

A bottom side support part 5 of a glass sheet packaging pallet 3 comprises a cushioning member 7 and an intervening member 8. The cushioning member 7 includes: a space section provided at a position corresponding to an intermediate section Gb3 on a bottom side section Gb of a glass sheet G; and support parts 10, 11 that support a first end Gb1 and a second end Gb2 of the bottom side section Gb of the glass sheet G. The intervening member 8 includes: a first portion 14 disposed at a position corresponding to the space section of the cushioning member 7; and second portions 15, 16 disposed at positions corresponding to the support parts 10, 11 of the cushioning member 7. As a result of the above, damage to the bottom side Gb of the glass sheet G packaged in the glass sheet packaging pallet 3 is prevented.

Description

ガラス板梱包用パレット、ガラス板梱包体及びガラス板梱包体の製造方法Glass plate packaging pallet, glass plate package, and manufacturing method of glass plate package
　本発明は、ガラス板を梱包するためのパレット、ガラス板をパレットに梱包してなるガラス板梱包体、及びガラス板梱包体の製造方法に関する。 The present invention relates to a pallet for packing glass plates, a glass plate package formed by packing glass plates on a pallet, and a method for manufacturing a glass plate package.
　液晶ディスプレイなどのディスプレイ用のガラス基板をはじめとする各種ガラス板を輸送する場合、ガラス板梱包用パレットが用いられる。 When transporting various glass plates, including glass substrates for displays such as liquid crystal displays, glass plate packaging pallets are used.
　ガラス板梱包用パレットは、複数枚のガラス板が縦姿勢で保護シート（例えば合紙など）を介して積層されたガラス板積層体を収容することができる。ガラス板梱包用パレットは、ガラス板積層体が上方に収容される基台部と、ガラス板積層体の底辺を支持する底辺支持部と、ガラス板積層体の背面側を支持する背面支持部と、を備えている（例えば特許文献１参照）。 A glass plate packing pallet can accommodate a glass plate laminate in which a plurality of glass plates are stacked vertically with a protective sheet (for example, interleaving paper, etc.) in between. The glass plate packing pallet has a base portion in which the glass plate laminate is accommodated above, a bottom support portion that supports the bottom side of the glass plate laminate, and a back support portion that supports the back side of the glass plate laminate. (For example, see Patent Document 1).
　ガラス板梱包用パレットの底辺支持部は、衝撃や振動などによってガラス板が破損するのを防止するために、ガラス板積層体の底辺が接触する部分に緩衝部材を備えている。 The bottom support part of the glass plate packaging pallet is equipped with a buffer member at the part where the bottom side of the glass plate laminate comes into contact, in order to prevent the glass plates from being damaged by shocks, vibrations, etc.
国際公開第２０２０／１２９７６４号International Publication No. 2020/129764
　ガラス板積層体に含まれるガラス板は、その底辺部が緩衝部材によって支持されている。しかしながら、緩衝部材に支持された状態であっても、ガラス板の底辺部に破損が生じる場合があった。以下、ガラス板の底辺部に破損が生じる理由について説明する。 The bottom portion of the glass plate included in the glass plate laminate is supported by a buffer member. However, even when the glass plate is supported by the buffer member, the bottom portion of the glass plate may be damaged. The reason why the bottom portion of the glass plate is damaged will be explained below.
　ガラス板は、搬送装置によってガラス板梱包用パレットまで搬送される。搬送装置は、例えばガラス板の上辺部を把持する一組のチャック（把持部）を有する。チャックは、ガラス板の上辺部における幅方向の一端部と、上辺部における幅方向の他端部との複数箇所を把持するように構成される。チャックは、ガラス板を吊り下げ支持した状態で、ガラス板梱包用パレットまで搬送する。 The glass plate is transported to the glass plate packaging pallet by the transport device. The conveying device includes, for example, a set of chucks (grips) that grip the upper side of the glass plate. The chuck is configured to grip the glass plate at a plurality of locations including one end in the width direction of the upper side and the other end in the width direction of the upper side. The chuck suspends and supports the glass plate and transports it to the glass plate packaging pallet.
　ガラス板は、その上辺部がチャックに把持された状態であるため、その底辺部の形状が安定せず、底辺部が湾曲した状態で底辺支持部に載置される場合がある。なお、チャックに代えて吸着パッドを用いる搬送装置でも、底辺部が湾曲した状態で底辺支持部に載置される場合がある。このような状態でガラス板がガラス板梱包用パレットに積載されると、緩衝部材は、ガラス板の底辺部を均一に支持することができない。このため、緩衝部材は、搬送時における衝撃を十分に吸収することができず、ガラス板の底辺部に破損を生じさせてしまっていた。 Since the top side of the glass plate is held by the chuck, the shape of the bottom side of the glass plate is not stable, and the glass plate may be placed on the bottom support part with the bottom side curved. Note that even in a conveyance device that uses a suction pad instead of a chuck, the object may be placed on the bottom support portion with the bottom portion curved. When the glass plates are loaded on the glass plate packing pallet in such a state, the buffer member cannot uniformly support the bottom portion of the glass plates. For this reason, the buffer member was unable to sufficiently absorb the impact during transportation, resulting in damage to the bottom portion of the glass plate.
　本発明者の研究によれば、この破損は、ガラス板の底辺部の中央部分に集中し易いということが確認されている。このように、ガラス板の底辺部の中央部分に破損が生じるのは、ガラス板の底辺部が湾曲状に変形した状態でガラス板梱包用パレットの底辺支持部に載置された結果、底辺部の中央部分に過大な引張応力が作用することが原因であると考えられる。 According to the research conducted by the present inventors, it has been confirmed that this damage tends to be concentrated in the center of the bottom of the glass plate. In this way, the reason why the center part of the bottom of the glass plate is damaged is because the bottom of the glass plate is placed on the bottom support part of the glass plate packing pallet in a curved state. This is thought to be caused by excessive tensile stress acting on the central part of the .
　本発明は上記の事情に鑑みてなされたものであり、ガラス板梱包用パレットに梱包されるガラス板の底辺部の損傷を防止することを技術的課題とする。 The present invention has been made in view of the above-mentioned circumstances, and its technical problem is to prevent damage to the bottom portions of glass plates packed in glass plate packaging pallets.
　（１）　本発明は上記の課題を解決するためのものであり、ガラス板と保護シートとを含むガラス板積層体が縦姿勢で上方に収容される基台部と、前記ガラス板積層体の背面を支持する背面支持部と、前記ガラス板積層体の底辺を支持する底辺支持部と、を備えたガラス板梱包用パレットであって、前記ガラス板は、前記ガラス板積層体の前記底辺を構成する底辺部を有し、前記底辺部は、前記ガラス板の幅方向における第一端部及び第二端部と、前記第一端部と前記第二端部との間に位置する中間部と、を有し、前記底辺支持部は、前記基台部と前記ガラス板積層体との間に配置される緩衝部材と、前記緩衝部材と前記ガラス板積層体との間に配置される介在部材と、を備え、前記緩衝部材は、前記ガラス板の前記底辺部における前記中間部に対応する位置に設けられる空間部と、前記ガラス板の前記底辺部における前記第一端部及び前記第二端部を支持する支持部と、を有し、前記介在部材は、前記緩衝部材の前記空間部に対応する位置に配置される第一の部分と、前記緩衝部材の前記支持部に対応する位置に配置される第二の部分と、を含むことを特徴とする。 (1) The present invention is intended to solve the above-mentioned problems, and includes a base portion in which a glass plate laminate including a glass plate and a protective sheet is accommodated upward in a vertical position, and a base portion for storing the glass plate laminate in a vertical position. A pallet for packing glass plates, comprising a back side support part that supports a back side, and a bottom side support part that supports a bottom side of the glass plate laminate, wherein the glass plate supports the bottom side of the glass plate laminate. the base portion includes a first end portion and a second end portion in the width direction of the glass plate, and an intermediate portion located between the first end portion and the second end portion. and, the bottom support portion includes a buffer member disposed between the base portion and the glass plate laminate, and an intervening member disposed between the buffer member and the glass plate laminate. The buffer member includes a space provided at a position corresponding to the intermediate portion in the bottom portion of the glass plate, and a space provided at a position corresponding to the intermediate portion in the bottom portion of the glass plate, and the first end portion and the second end portion in the bottom portion of the glass plate. a support portion that supports an end portion, and the intervening member has a first portion disposed at a position corresponding to the space portion of the buffer member, and a position of the buffer member corresponding to the support portion. and a second portion disposed in the second portion.
　かかる構成によれば、ガラス板積層体をガラス板梱包用パレットに積載したときに、ガラス板積層体に含まれるガラス板の底辺部は、介在部材を介して緩衝部材に支持されることとなる。緩衝部材は、空間部を有していることから、空間部に対応する位置に配置される介在部材の第一の部分は、空間部側に変形し易くなる。これにより、ガラス板の底辺部における中間部に過大な圧力が作用することを防止でき、この底辺部の破損を効果的に防止することが可能となる。 According to this configuration, when the glass plate laminate is loaded on the glass plate packaging pallet, the bottom portion of the glass plate included in the glass plate laminate is supported by the buffer member via the intervening member. . Since the buffer member has the space, the first portion of the intervening member disposed at a position corresponding to the space is easily deformed toward the space. Thereby, it is possible to prevent excessive pressure from acting on the middle part of the bottom side of the glass plate, and it is possible to effectively prevent damage to this bottom side.
　（２）　上記（１）の構成において、前記空間部には、空間が形成されてもよい。これにより、介在部材の第一の部分は、この空間側に変形し易くなる。 (2) In the configuration of (1) above, a space may be formed in the space portion. This makes it easier for the first portion of the intervening member to deform toward this space.
　（３）　上記（１）の構成において、前記空間部には、前記緩衝部材の前記支持部よりも剛性が低い第二の緩衝部材が配置されてもよい。 (3) In the configuration of (1) above, a second buffer member having lower rigidity than the support portion of the buffer member may be disposed in the space.
　かかる構成によれば、介在部材の第一の部分が変形する際に第二の緩衝部材と接触することで、第一の部分の変形量を調整することが可能となる。 According to this configuration, when the first portion of the intervening member deforms, it comes into contact with the second buffer member, thereby making it possible to adjust the amount of deformation of the first portion.
　（４）　上記（３）の構成において、前記第二の緩衝部材は、前記緩衝部材の前記支持部よりも２５％圧縮応力が小さい材料により構成されてもよい。 (4) In the configuration of (3) above, the second buffer member may be made of a material having a compressive stress that is 25% smaller than that of the support portion of the buffer member.
　かかる構成によれば、第二の緩衝部材の材質を変更することで、第一の部分の変形量を容易に調整することが可能となる。 According to this configuration, by changing the material of the second buffer member, it is possible to easily adjust the amount of deformation of the first portion.
　（５）　上記（１）～（４）のいずれかの構成において、前記緩衝部材は、前記ガラス板の前記底辺部における前記第一端部及び前記第二端部が前記緩衝部材から前記幅方向に食み出すように、前記基台部に設置されてもよい。 (5) In any one of the configurations (1) to (4) above, the buffer member is arranged such that the first end and the second end of the bottom portion of the glass plate are located in the width direction from the buffer member. It may be installed on the base portion so as to protrude into the base portion.
　かかる構成によれば、ガラス板の底辺部における各端部が緩衝部材に接触することを防止できる。これにより、ガラス板の底辺部における各端部の破損を防止することが可能となる。 According to such a configuration, each end of the bottom portion of the glass plate can be prevented from coming into contact with the buffer member. This makes it possible to prevent damage to each end of the bottom portion of the glass plate.
　（６）　上記（１）～（５）のいずれかの構成において、前記底辺支持部は、前記介在部材と前記ガラス板積層体との間で、前記介在部材を覆うカバー部材を備え、前記カバー部材は、ゴム材、ボール紙、発泡樹脂、プラスチックダンボールのうち少なくとも一つを含んでもよい。 (6) In any one of the configurations (1) to (5) above, the bottom support portion includes a cover member that covers the intervening member between the intervening member and the glass plate laminate, and the cover The member may include at least one of rubber material, cardboard, foamed resin, and plastic cardboard.
　かかる構成によれば、介在部材をカバー部材で覆うことで、ガラス板積層体と介在部材又は緩衝部材との接触を防止することができる。したがって、介在部材又は緩衝部材の摩耗を防止でき、介在部材又は緩衝部材を長期にわたって継続して使用することが可能となる。 According to this configuration, by covering the intervening member with the cover member, contact between the glass plate laminate and the intervening member or the buffer member can be prevented. Therefore, wear of the intervening member or the buffer member can be prevented, and the intervening member or the buffer member can be used continuously for a long period of time.
　（７）　上記（１）～（６）のいずれかの構成において、前記緩衝部材は、ゴム材及び発泡樹脂の少なくとも一方を含んでもよい。これにより、緩衝部材は、緩衝効果を十分に発揮できる。 (7) In any of the configurations (1) to (6) above, the buffer member may include at least one of a rubber material and a foamed resin. Thereby, the buffer member can fully exhibit its buffering effect.
　（８）　本発明に係るガラス板梱包体は上記の課題を解決するためのものであり、上記のガラス板梱包用パレットに、前記ガラス板積層体を梱包してなることを特徴とする。 (8) A glass plate package according to the present invention is intended to solve the above problem, and is characterized in that the glass plate laminate is packed in the glass plate packaging pallet described above.
　（９）　本発明に係るガラス板梱包体の製造方法は上記の課題を解決するためのものであり、前記ガラス板積層体を上記のガラス板梱包用パレットに梱包する梱包工程を備え、前記梱包工程は、前記ガラス板を前記底辺支持部に載置する載置工程を含み、前記載置工程では、前記介在部材の前記第一の部分が前記ガラス板の前記底辺部における前記中間部に接触しないように、前記第一の部分を前記緩衝部材の前記空間部の内側に向かって変形させることを特徴とする。 (9) The method for manufacturing a glass plate package according to the present invention is for solving the above-mentioned problems, and includes a packing step of packing the glass plate laminate into the above-mentioned glass plate packing pallet, The step includes a placing step of placing the glass plate on the bottom support portion, and in the placing step, the first portion of the intervening member contacts the intermediate portion of the bottom portion of the glass plate. The first portion is deformed toward the inside of the space portion of the buffer member so as to prevent the shock absorbing member from being damaged.
　かかる構成によれば、載置工程において、介在部材の第一の部分を緩衝部材の空間部の内側に向かって変形させることで、ガラス板の底辺部における中間部が介在部材の第一の部分に接触することを防止できる。これにより、ガラス板の底辺部における中間部に過大な圧力が作用することを防止し、ガラス板の底辺部の損傷を防止することが可能となる。 According to this configuration, in the mounting step, by deforming the first portion of the intervening member toward the inner side of the space of the buffer member, the intermediate portion of the bottom portion of the glass plate becomes the first portion of the intervening member. can be prevented from coming into contact with. Thereby, it is possible to prevent excessive pressure from acting on the intermediate portion of the bottom side of the glass plate, and to prevent damage to the bottom side of the glass plate.
　（１０）　本発明は上記の課題を解決するためのものであり、ガラス板と保護シートとを含むガラス板積層体が縦姿勢で上方に収容される基台部と、前記ガラス板積層体の背面を支持する背面支持部と、前記ガラス板積層体の底辺を支持する底辺支持部と、を備えたガラス板梱包用パレットであって、前記ガラス板は、前記ガラス板積層体の前記底辺を構成する底辺部を有し、前記底辺部は、前記ガラス板の幅方向における第一端部及び第二端部と、前記第一端部と前記第二端部との間に位置する中間部と、を有し、前記底辺支持部は、前記ガラス板の前記底辺部における前記中間部に作用する圧力が、前記ガラス板の前記底辺部における前記第一端部又は前記第二端部に作用する圧力よりも小さくなるように、前記ガラス板を支持することを特徴とする。 (10) The present invention is intended to solve the above-mentioned problems, and includes a base portion in which a glass plate laminate including a glass plate and a protective sheet is accommodated upward in a vertical position; A pallet for packing glass plates, comprising a back side support part that supports a back side, and a bottom side support part that supports a bottom side of the glass plate laminate, wherein the glass plate supports the bottom side of the glass plate laminate. the base portion includes a first end portion and a second end portion in the width direction of the glass plate, and an intermediate portion located between the first end portion and the second end portion. and the bottom support part is configured such that pressure acting on the intermediate portion of the bottom portion of the glass plate acts on the first end portion or the second end portion of the bottom portion of the glass plate. The glass plate is supported so that the pressure is lower than the pressure applied to the glass plate.
　かかる構成によれば、ガラス板の底辺部における中間部に作用する圧力をガラス板の底辺部における第一端部又は第二端部に作用する圧力よりも小さくすることで、この中間部における損傷を防止することが可能となる。 According to this configuration, by making the pressure acting on the intermediate portion at the bottom of the glass plate smaller than the pressure acting on the first end or the second end at the bottom of the glass plate, damage to this intermediate portion can be prevented. This makes it possible to prevent
　本発明によれば、ガラス板梱包用パレットに梱包されるガラス板の底辺部の損傷を防止することができる。 According to the present invention, it is possible to prevent damage to the bottom portions of glass plates packed on a glass plate packaging pallet.
本発明の第一実施形態に係るガラス板梱包体の斜視図である。FIG. 1 is a perspective view of a glass plate package according to a first embodiment of the present invention. ガラス板梱包体の側面図である。It is a side view of a glass plate package. ガラス板梱包体の正面図である。It is a front view of a glass plate package. ガラス板の斜視図である。It is a perspective view of a glass plate. ガラス板梱包用パレットの底辺支持部の分解斜視図である。FIG. 2 is an exploded perspective view of the bottom support portion of the glass plate packaging pallet. ガラス板梱包体の製造方法における載置工程を示す正面図である。It is a front view which shows the mounting process in the manufacturing method of a glass plate package. ガラス板梱包用パレットの底辺支持部の一部を拡大して示す正面図である。It is a front view which expands and shows a part of bottom support part of a pallet for glass plate packaging. ガラス板梱包体において、ガラス板積層体を固定した状態を示す斜視図である。It is a perspective view which shows the state which fixed the glass plate laminated body in a glass plate package. 本発明の第二実施形態に係るガラス板梱包体の斜視図である。FIG. 3 is a perspective view of a glass plate package according to a second embodiment of the present invention. ガラス板梱包体の正面図である。It is a front view of a glass plate package. ガラス板梱包用パレットの底辺支持部の分解斜視図である。FIG. 2 is an exploded perspective view of the bottom support portion of the glass plate packaging pallet. 本発明の第三実施形態に係るガラス板梱包体の斜視図である。It is a perspective view of a glass plate package concerning a third embodiment of the present invention. ガラス板梱包用パレットの底辺支持部の分解斜視図である。FIG. 2 is an exploded perspective view of the bottom support portion of the glass plate packaging pallet. 本発明の第四実施形態に係るガラス板梱包体の斜視図である。FIG. 7 is a perspective view of a glass plate package according to a fourth embodiment of the present invention. ガラス板梱包用パレットの底辺支持部の分解斜視図である。FIG. 2 is an exploded perspective view of the bottom support portion of the glass plate packaging pallet. 本発明の第五実施形態に係るガラス板梱包体の斜視図である。FIG. 3 is a perspective view of a glass plate package according to a fifth embodiment of the present invention. ガラス板梱包用パレットの底辺支持部の分解斜視図である。FIG. 2 is an exploded perspective view of the bottom support portion of the glass plate packaging pallet.
　以下、本発明を実施するための形態について、図面を参照しながら説明する。図１乃至図８は、本発明の第一実施形態を示す。 Hereinafter, embodiments for carrying out the present invention will be described with reference to the drawings. 1 to 8 show a first embodiment of the present invention.
　図１乃至図３に示すように、第一実施形態に係るガラス板梱包体（以下、単に「梱包体」という）１は、ガラス板積層体（以下、単に「積層体」という）２と、ガラス板梱包用パレット（以下、単に「パレット」という）３と、を備える。 As shown in FIGS. 1 to 3, a glass plate package (hereinafter simply referred to as "package") 1 according to the first embodiment includes a glass plate laminate (hereinafter simply referred to as "laminate") 2, A glass plate packaging pallet (hereinafter simply referred to as "pallet") 3 is provided.
　積層体２は、複数枚のガラス板Ｇと保護シートＰとを縦姿勢（本実施形態では傾斜姿勢）で積層してなる。本実施形態では、ガラス板Ｇと保護シートＰはともに矩形状をなし、積層体２の最前面側及び最背面側には保護シートＰが配置されている。 The laminate 2 is formed by stacking a plurality of glass plates G and a protective sheet P in a vertical orientation (in this embodiment, an inclined orientation). In this embodiment, both the glass plate G and the protective sheet P have a rectangular shape, and the protective sheets P are arranged on the frontmost side and the rearmost side of the laminate 2.
　積層体２の重量は、例えば１５００ｋｇ～４０００ｋｇである。積層体２に含まれるガラス板Ｇの枚数は、例えば２００～４００枚である。ガラス板Ｇの大きさは、例えば７３０ｍｍ×９２０ｍｍ～３２００ｍｍ×３６００ｍｍ、ガラス板Ｇの厚さ寸法は、例えば３００μｍ～１５００μｍである。ガラス板Ｇは、例えばディスプレイ用ガラス基板である。 The weight of the laminate 2 is, for example, 1500 kg to 4000 kg. The number of glass plates G included in the laminate 2 is, for example, 200 to 400. The size of the glass plate G is, for example, 730 mm x 920 mm to 3200 mm x 3600 mm, and the thickness dimension of the glass plate G is, for example, 300 μm to 1500 μm. The glass plate G is, for example, a display glass substrate.
　図４に示すように、ガラス板Ｇは、積層体２の上辺を構成する上辺部Ｇａと、積層体２の底辺を構成する底辺部Ｇｂと、上辺部Ｇａと底辺部Ｇｂとの間に位置する一対の側辺部Ｇｃ，Ｇｄと、を有する。 As shown in FIG. 4, the glass plate G is located between an upper side Ga forming the upper side of the laminate 2, a bottom side Gb forming the bottom side of the laminate 2, and between the upper side Ga and the bottom side Gb. It has a pair of side portions Gc and Gd.
　ガラス板Ｇの上辺部Ｇａは、幅方向Ｘにおける一端部（以下「第一端部」という）Ｇａ１及び他端部（以下「第二端部」という）Ｇａ２と、第一端部Ｇａ１と第二端部Ｇａ２との間に位置する中間部Ｇａ３と、を有する。第一端部Ｇａ１の幅寸法Ｗａ１は、第二端部Ｇａ２の幅寸法Ｗａ２とほぼ等しい。中間部Ｇａ３の幅寸法Ｗａ３は、上辺部Ｇａの幅寸法Ｗａの１５～６０％であることが好ましい。 The upper side Ga of the glass plate G has one end (hereinafter referred to as "first end") Ga1 and the other end (hereinafter referred to as "second end") Ga2 in the width direction X, and the first end Ga1 and the second end Ga2. It has an intermediate part Ga3 located between the two end parts Ga2. The width dimension Wa1 of the first end portion Ga1 is approximately equal to the width dimension Wa2 of the second end portion Ga2. The width dimension Wa3 of the intermediate portion Ga3 is preferably 15 to 60% of the width dimension Wa of the upper side portion Ga.
　ガラス板Ｇは、パレット３に積載される際に、搬送装置によって搬送される。図４に示すように、搬送装置は、例えば上辺部Ｇａを把持する複数の把持部ＣＨを有する。把持部ＣＨは、図４において二点鎖線で示すように、上辺部Ｇａの第一端部Ｇａ１と第二端部Ｇａ２とを把持するように構成される。 When the glass plates G are loaded onto the pallet 3, they are transported by a transport device. As shown in FIG. 4, the conveyance device includes a plurality of gripping parts CH that grip the upper side Ga, for example. The gripping part CH is configured to grip the first end Ga1 and the second end Ga2 of the upper side Ga, as shown by the two-dot chain line in FIG.
　ガラス板Ｇの底辺部Ｇｂは、幅方向Ｘにおける一端部（以下「第一端部」という）Ｇｂ１及び他端部（以下「第二端部」という）Ｇｂ２と、第一端部Ｇｂ１と第二端部Ｇｂ２との間に位置する中間部Ｇｂ３と、を有する。 The bottom side Gb of the glass plate G has one end (hereinafter referred to as "first end") Gb1 and the other end (hereinafter referred to as "second end") Gb2 in the width direction X, and the first end Gb1 and the second end Gb2. It has an intermediate portion Gb3 located between the two end portions Gb2.
　底辺部Ｇｂの幅寸法Ｗｂは、上辺部Ｇａの幅寸法Ｗａとほぼ等しい。底辺部Ｇｂの第一端部Ｇｂ１の幅寸法Ｗｂ１は、底辺部Ｇｂの第二端部Ｇｂ２の幅寸法Ｗｂ２とほぼ等しい。底辺部Ｇｂの中間部Ｇｂ３の幅寸法Ｗｂ３は、上辺部Ｇａの中間部Ｇａ３の幅寸法Ｗａ３とほぼ等しい。 The width Wb of the bottom side Gb is approximately equal to the width Wa of the top side Ga. The width dimension Wb1 of the first end Gb1 of the bottom side Gb is approximately equal to the width dimension Wb2 of the second end Gb2 of the bottom side Gb. The width dimension Wb3 of the intermediate portion Gb3 of the bottom side portion Gb is approximately equal to the width dimension Wa3 of the intermediate portion Ga3 of the upper side portion Ga.
　ガラス板Ｇの側辺部Ｇｃ，Ｇｄは、上辺部Ｇａ及び底辺部Ｇｂとほぼ直角を為す直線状の辺である。各側辺部Ｇｃ，Ｇｄが上辺部Ｇａ及び底辺部Ｇｂと為す角度は、本実施形態に限定されない。 The side portions Gc and Gd of the glass plate G are linear sides that are approximately perpendicular to the top side Ga and the bottom side Gb. The angles that each of the side portions Gc and Gd make with the top portion Ga and the bottom portion Gb are not limited to those in this embodiment.
　保護シートＰは、例えば合紙（純パルプ紙）や発泡樹脂シートである。保護シートＰの大きさは、ガラス板Ｇ同士が直接接触しないように、ガラス板Ｇよりも大きい。つまり、保護シートＰは、ガラス板Ｇの側方及び／又は上方に食み出していてもよい。ただし、保護シートＰは、ガラス板Ｇの下方には食み出していないことが好ましい。保護シートＰは、シート供給装置によって縦姿勢に保持された状態で、パレット３に供給される。 The protective sheet P is, for example, interleaf paper (pure pulp paper) or a foamed resin sheet. The size of the protective sheet P is larger than the glass plates G so that the glass plates G do not come into direct contact with each other. That is, the protective sheet P may protrude to the side and/or above of the glass plate G. However, it is preferable that the protective sheet P does not protrude below the glass plate G. The protective sheet P is supplied to the pallet 3 while being held in a vertical position by a sheet supply device.
　パレット３は、積層体２が上方に収容される基台部４と、積層体２の底辺を支持する底辺支持部５と、積層体２の背面を支持する背面支持部６と、を備える。 The pallet 3 includes a base portion 4 in which the stacked product 2 is accommodated above, a bottom support portion 5 that supports the bottom side of the stacked product 2, and a back support portion 6 that supports the back surface of the stacked product 2.
　基台部４は、例えばステンレス鋼や炭素鋼、アルミニウム合金などの金属フレームにより形成されている。 The base portion 4 is formed of a metal frame made of, for example, stainless steel, carbon steel, or aluminum alloy.
　底辺支持部５は、基台部４に設けられた底面部５ａと、基台部４（底面部５ａ）と積層体２との間に配置される緩衝部材７と、緩衝部材７と積層体２との間に配置される介在部材８と、介在部材８と積層体２との間で、介在部材８を覆うカバー部材９と、を備える。 The bottom support part 5 includes a bottom part 5a provided on the base part 4, a buffer member 7 disposed between the base part 4 (bottom part 5a) and the laminate 2, and a buffer member 7 and the laminate. 2, and a cover member 9 that covers the intervening member 8 between the intervening member 8 and the laminate 2.
　底面部５ａは、例えばステンレス鋼や炭素鋼、アルミニウム合金などの金属フレームから構成される。また、底面部５ａは、緩衝部材７を載置するための底面（上面）を形成する。 The bottom surface portion 5a is composed of a metal frame made of stainless steel, carbon steel, aluminum alloy, etc., for example. Further, the bottom surface portion 5a forms a bottom surface (top surface) on which the buffer member 7 is placed.
　緩衝部材７は、ゴム材及び発泡樹脂の少なくとも一方を含むことが好ましい。緩衝部材７を発泡樹脂板により構成する場合は、例えば発泡ポリプロピレン、発泡ウレタン、発泡スチレン、発泡メラミンなどを主たる材料として形成される。発泡樹脂板の発泡倍率は、例えば１０～４０倍であることが好ましい。発泡樹脂板の厚さ寸法は、例えば１０ｍｍ～３０ｍｍであることが好ましい。発泡樹脂板の２５％圧縮応力は、例えば１００～３００ｋＰａであることが好ましい。 It is preferable that the buffer member 7 includes at least one of a rubber material and a foamed resin. When the buffer member 7 is made of a foamed resin board, it is formed using, for example, foamed polypropylene, foamed urethane, foamed styrene, foamed melamine, or the like as a main material. The foaming ratio of the foamed resin board is preferably 10 to 40 times, for example. The thickness of the foamed resin plate is preferably 10 mm to 30 mm, for example. The 25% compressive stress of the foamed resin plate is preferably 100 to 300 kPa, for example.
　緩衝部材７は、底面部５ａの底面に接着されることなく分離可能に配置されている。本実施形態では、緩衝部材７は、積層体２に含まれるガラス板Ｇの底辺部Ｇｂの全幅を支持するようになっている。すなわち、緩衝部材７の幅寸法Ｗｃは、ガラス板Ｇの底辺部Ｇｂにおける幅寸法Ｗｂよりも大きい。 The buffer member 7 is arranged so that it can be separated from the bottom surface of the bottom portion 5a without being bonded to the bottom surface. In this embodiment, the buffer member 7 supports the entire width of the bottom side Gb of the glass plate G included in the laminate 2. That is, the width dimension Wc of the buffer member 7 is larger than the width dimension Wb of the glass plate G at the bottom side Gb.
　図５に示すように、緩衝部材７は、ガラス板Ｇの底辺部Ｇｂにおける端部Ｇｂ１，Ｇｂ２を支持する一対の支持部１０，１１と、一対の支持部１０，１１を連結する連結部１２と、連結部１２の上方に形成される凹部１３と、を備える。 As shown in FIG. 5, the buffer member 7 includes a pair of support parts 10 and 11 that support ends Gb1 and Gb2 on the bottom side Gb of the glass plate G, and a connecting part 12 that connects the pair of support parts 10 and 11. and a recess 13 formed above the connecting portion 12.
　一対の支持部１０，１１は、積層体２に含まれるガラス板Ｇの底辺部Ｇｂにおける中間部Ｇｂ３を除く部分、すなわち、底辺部Ｇｂの各端部Ｇｂ１，Ｇｂ２を支持する。一対の支持部１０，１１は、ガラス板Ｇの底辺部Ｇｂにおける第一端部Ｇｂ１を支持する第一支持部１０と、底辺部Ｇｂの第二端部Ｇｂ２を支持する第二支持部１１と、を含む。第一支持部１０の幅寸法Ｗｃ１は、第二支持部１１の幅寸法Ｗｃ２と等しい。 The pair of support parts 10 and 11 support the bottom part Gb of the glass plate G included in the laminate 2, excluding the intermediate part Gb3, that is, the respective ends Gb1 and Gb2 of the bottom part Gb. The pair of supports 10 and 11 includes a first support part 10 that supports a first end Gb1 of the bottom side Gb of the glass plate G, and a second support part 11 that supports a second end Gb2 of the bottom side Gb. ,including. The width dimension Wc1 of the first support part 10 is equal to the width dimension Wc2 of the second support part 11.
　連結部１２は、第一支持部１０の下部と第二支持部１１の下部とを連結している。連結部１２の厚さ寸法は、各支持部１０，１１の厚さ寸法よりも小さい。 The connecting part 12 connects the lower part of the first supporting part 10 and the lower part of the second supporting part 11. The thickness of the connecting portion 12 is smaller than the thickness of each of the supporting portions 10 and 11.
　図５に示すように、凹部１３は、底面１３ａと、側壁面１３ｂとを有する。底面１３ａは、連結部１２の上面により構成される。側壁面１３ｂは、第一支持部１０の側面及び第二支持部１１の側面により構成される。凹部１３の幅寸法Ｗｃ３の、ガラス板Ｇの底辺部Ｇｂの幅寸法Ｗｂに対する比率Ｗｃ３／Ｗｂの下限値は、好ましくは１５％、より好ましくは２０％、さらに好ましくは２５％であり、上限値は、好ましくは６０％、より好ましくは５０％、さらに好ましくは４０％である。凹部１３の高さ寸法Ｈの下限値は、好ましくは５ｍｍ、より好ましくは１０ｍｍ、さらに好ましくは１５ｍｍである。凹部１３の高さ寸法Ｈの上限値は、連結部１２が破損しない範囲に設定されることが好ましい。 As shown in FIG. 5, the recess 13 has a bottom surface 13a and a side wall surface 13b. The bottom surface 13a is constituted by the top surface of the connecting portion 12. The side wall surface 13b is constituted by a side surface of the first support section 10 and a side surface of the second support section 11. The lower limit of the ratio Wc3/Wb of the width Wc3 of the recess 13 to the width Wb of the bottom Gb of the glass plate G is preferably 15%, more preferably 20%, still more preferably 25%, and the upper limit is preferably 60%, more preferably 50%, and even more preferably 40%. The lower limit of the height H of the recess 13 is preferably 5 mm, more preferably 10 mm, and even more preferably 15 mm. It is preferable that the upper limit of the height dimension H of the recessed portion 13 is set within a range in which the connecting portion 12 is not damaged.
　凹部１３は、ガラス板Ｇの底辺部Ｇｂにおける中間部Ｇｂ３に対応する位置に配置される。この構成により、凹部１３は、緩衝部材７に重ねられる介在部材８の一部が内側に入り込むことを許容する空間を有する。すなわち、凹部１３は、ガラス板Ｇがパレット３に積載されたときに、底辺部Ｇｂの中間部Ｇｂ３に過大な圧力が作用しないように、介在部材８の一部をこの空間の内側に変形させるための空間部として機能する。 The recessed portion 13 is arranged at a position corresponding to the intermediate portion Gb3 on the bottom side Gb of the glass plate G. With this configuration, the recess 13 has a space that allows a portion of the intervening member 8 stacked on the buffer member 7 to enter inside. That is, the recess 13 deforms a part of the intervening member 8 inside this space so that when the glass plates G are loaded on the pallet 3, excessive pressure is not applied to the intermediate part Gb3 of the bottom part Gb. It functions as a space for
　介在部材８は、例えば天然ゴムからなり、タイプＡデュロメータ硬さが４０～７０である。介在部材８の厚さ寸法は、例えば２ｍｍ～１０ｍｍであることが好ましい。介在部材８の厚さ寸法は、緩衝部材７の厚さ寸法よりも小さいことが好ましい。介在部材８の幅寸法Ｗｄは、緩衝部材７の幅寸法Ｗｃとほぼ等しい。介在部材８の幅寸法Ｗｄは、本実施形態に限定されず、緩衝部材７の幅寸法Ｗｃと異なっていてもよい。 The intervening member 8 is made of natural rubber, for example, and has a type A durometer hardness of 40 to 70. The thickness of the intervening member 8 is preferably 2 mm to 10 mm, for example. The thickness of the intervening member 8 is preferably smaller than the thickness of the buffer member 7. The width dimension Wd of the intervening member 8 is approximately equal to the width dimension Wc of the buffer member 7. The width dimension Wd of the intervening member 8 is not limited to this embodiment, and may be different from the width dimension Wc of the buffer member 7.
　図５に示すように、介在部材８は、緩衝部材７の凹部１３（空間部）に対応する位置に配置される第一の部分１４と、緩衝部材７の支持部１０，１１に対応する位置に配置される一対の第二の部分１５，１６と、を含む。 As shown in FIG. 5, the intervening member 8 includes a first portion 14 located at a position corresponding to the recess 13 (space) of the buffer member 7, and a first portion 14 located at a position corresponding to the support portions 10, 11 of the buffer member 7. a pair of second portions 15 and 16 disposed at.
　第一の部分１４は、緩衝部材７の凹部１３を覆うように配置される。第一の部分１４の幅寸法Ｗｄ１は、緩衝部材７の凹部１３の幅寸法Ｗｃ３とほぼ等しい。第一の部分１４は、緩衝部材７上に設置された状態において、その自重により下方に変形することができる。第一の部分１４は、緩衝部材７の凹部１３の内側に入り込むように凹状に変形する。この変形により、第一の部分１４は、第二の部分１５，１６よりも下方に位置することになる。このように第一の部分１４が変形した状態であっても、第一の部分１４と凹部１３の底面１３ａとの間には隙間が形成されている。したがって、第一の部分１４は、凹状に変形した場合であっても凹部１３の底面１３ａに接触しない。 The first portion 14 is arranged to cover the recess 13 of the buffer member 7. The width Wd1 of the first portion 14 is approximately equal to the width Wc3 of the recess 13 of the buffer member 7. The first portion 14 can be deformed downward by its own weight when placed on the buffer member 7. The first portion 14 deforms into a concave shape so as to fit inside the concave portion 13 of the buffer member 7. This deformation causes the first portion 14 to be located below the second portions 15 and 16. Even in this deformed state of the first portion 14, a gap is formed between the first portion 14 and the bottom surface 13a of the recess 13. Therefore, even when the first portion 14 is deformed into a concave shape, it does not come into contact with the bottom surface 13a of the concave portion 13.
　一対の第二の部分１５，１６は、緩衝部材７の支持部１０，１１に重なるように配置される。第二の部分１５，１６は、支持部１０，１１に対して接着されることなく分離可能に配置されている。第二の部分１５，１６の幅寸法Ｗｄ２は、緩衝部材７の支持部１０，１１の幅寸法Ｗｃ１，Ｗｃ２とほぼ等しい。第二の部分１５，１６の一部は、ガラス板Ｇの側辺部Ｇｃ，Ｇｄよりも幅方向Ｘの外方に食み出ている。 The pair of second portions 15 and 16 are arranged so as to overlap the support portions 10 and 11 of the buffer member 7. The second portions 15 and 16 are arranged so as to be separable from the support portions 10 and 11 without being bonded to the support portions 10 and 11. The width dimension Wd2 of the second portions 15 and 16 is approximately equal to the width dimension Wc1 and Wc2 of the support portions 10 and 11 of the buffer member 7. Parts of the second portions 15 and 16 protrude outward in the width direction X beyond the side portions Gc and Gd of the glass plate G.
　カバー部材９は、ゴム材、ボール紙、発泡樹脂、プラスチックダンボールのうち少なくとも一つを含むことが好ましい。本実施形態におけるカバー部材９は、例えばボール紙により構成される。ボール紙は、例えばチップボール紙などの板紙からなり、板紙を多層構造とした段ボール紙の形態も含む。本実施形態では、カバー部材９は、積層体２の幅方向Ｘに連続する一枚の板材である。カバー部材９が単層構造である場合、カバー部材９の厚さ寸法は、例えば０．５ｍｍ～２ｍｍであることが好ましい。カバー部材９の幅寸法Ｗｅは、緩衝部材７の幅寸法Ｗｃとほぼ等しい。 It is preferable that the cover member 9 includes at least one of a rubber material, cardboard, foamed resin, and plastic cardboard. The cover member 9 in this embodiment is made of, for example, cardboard. Cardboard is made of paperboard such as chipboard, and also includes a form of corrugated paperboard with a multilayer structure of paperboard. In this embodiment, the cover member 9 is a single plate continuous in the width direction X of the laminate 2 . When the cover member 9 has a single layer structure, the thickness of the cover member 9 is preferably 0.5 mm to 2 mm, for example. The width We of the cover member 9 is approximately equal to the width Wc of the buffer member 7.
　カバー部材９は、介在部材８の上面に接着されることなく分離可能に配置されている。カバー部材９は、積層体２に含まれるガラス板Ｇの底辺部Ｇｂと直接接触し、緩衝部材７及び介在部材８をガラス板Ｇの底辺部Ｇｂから保護する役割を果たす。なお、カバー部材９を省略し、介在部材８を積層体２に直接接触させてもよい。 The cover member 9 is arranged so that it can be separated from the upper surface of the intervening member 8 without being adhered to it. The cover member 9 directly contacts the bottom side Gb of the glass plate G included in the laminate 2, and serves to protect the buffer member 7 and the intervening member 8 from the bottom side Gb of the glass plate G. Note that the cover member 9 may be omitted and the intervening member 8 may be brought into direct contact with the laminate 2.
　図５に示すように、カバー部材９は、介在部材８の第一の部分１４に接触する第一接触部１７と、介在部材８の第二の部分１５，１６に接触する一対の第二接触部１８，１９と、を有する。 As shown in FIG. 5, the cover member 9 includes a first contact portion 17 that contacts the first portion 14 of the intervening member 8, and a pair of second contact portions that contact the second portions 15 and 16 of the intervening member 8. It has parts 18 and 19.
　第一接触部１７は、緩衝部材７の凹部１３の上方に位置するように、介在部材８の第一の部分１４に重ねられる。第一接触部１７は、介在部材８の第一の部分１４と同様に、下方に変形することができる。すなわち、カバー部材９が介在部材８に重ねられた状態において、第一接触部１７は、介在部材８の第一の部分１４と同様に、凹状に変形している。この変形により、第一接触部１７は、第二接触部１８，１９よりも下方に位置することになる。第一接触部１７の幅寸法Ｗｅ１は、緩衝部材７の凹部１３の幅寸法Ｗｃ３とほぼ等しい。 The first contact portion 17 is overlapped with the first portion 14 of the intervening member 8 so as to be located above the recess 13 of the buffer member 7. The first contact portion 17, like the first portion 14 of the intervening member 8, can be deformed downward. That is, in a state where the cover member 9 is stacked on the intervening member 8, the first contact portion 17 is deformed into a concave shape like the first portion 14 of the intervening member 8. Due to this deformation, the first contact portion 17 is located below the second contact portions 18 and 19. The width We1 of the first contact portion 17 is approximately equal to the width Wc3 of the recess 13 of the buffer member 7.
　第二接触部１８，１９は、緩衝部材７の支持部１０，１１の上方に位置するように、介在部材８の第二の部分１５，１６に重ねられる。第二接触部１８，１９は、ガラス板Ｇの底辺部Ｇｂにおける各端部Ｇｂ１，Ｇｂ１と接触する。第二接触部１８，１９の一部は、ガラス板Ｇの側辺部Ｇｃ，Ｇｄよりも幅方向Ｘの外方に食み出ている。第二接触部１８，１９の幅寸法Ｗｅ２は、緩衝部材７の支持部１０，１１の幅寸法Ｗｃ１，Ｗｃ２とほぼ等しい。 The second contact portions 18 and 19 are stacked on the second portions 15 and 16 of the intervening member 8 so as to be located above the support portions 10 and 11 of the buffer member 7. The second contact portions 18 and 19 are in contact with respective ends Gb1 and Gb1 of the bottom side Gb of the glass plate G. Parts of the second contact portions 18 and 19 protrude outward in the width direction X from the side portions Gc and Gd of the glass plate G. The width We2 of the second contact portions 18 and 19 is approximately equal to the width Wc1 and Wc2 of the support portions 10 and 11 of the buffer member 7.
　背面支持部６は、基台部４から起立した背面部２０と、背面部２０の前面に設けられた緩衝部材２１と、を備える。 The back support part 6 includes a back part 20 that stands up from the base part 4 and a buffer member 21 provided on the front surface of the back part 20.
　背面部２０は、例えばステンレス鋼や炭素鋼、アルミニウム合金などの金属フレームから形成されている。 The back portion 20 is formed from a metal frame made of stainless steel, carbon steel, aluminum alloy, or the like.
　緩衝部材２１は、背面部２０の前面に接着されることなく分離可能に積層されている。本実施形態では、緩衝部材２１は、積層体２に含まれるガラス板Ｇの背面の全面を支持する。緩衝部材２１は、例えばゴム板、発泡樹脂板、又はこれらの積層体で形成される。発泡樹脂板としては、例えば発泡ポリプロピレン、発泡ウレタン、発泡スチレン、発泡メラミンなどを主たる材料として形成されたものが挙げられる。本実施形態では、緩衝部材２１は、発泡ポリプロピレン板である。 The buffer member 21 is laminated on the front surface of the back section 20 so that it can be separated from the front surface of the back section 20 without being bonded. In this embodiment, the buffer member 21 supports the entire back surface of the glass plate G included in the laminate 2 . The buffer member 21 is formed of, for example, a rubber plate, a foamed resin plate, or a laminate thereof. Examples of the foamed resin board include those formed mainly of foamed polypropylene, foamed urethane, foamed styrene, foamed melamine, and the like. In this embodiment, the buffer member 21 is a foamed polypropylene plate.
　図２に示すように、底辺支持部５の上面、つまり、カバー部材９の上面は、水平方向に対して所定の角度θ１（例えば５°～６０°）で、背面支持部６から遠ざかるにつれて上方に移行する向きに傾斜している。また、背面支持部６の前面、つまり、緩衝部材２１の前面は、鉛直方向に対して所定の角度θ２（例えば５°～６０°）で、底辺支持部５から遠ざかるにつれて後方に移行する向きに傾斜している。この際、背面支持部６の前面は、底辺支持部５の上面に対してほぼ直角を為している。背面支持部６の前面が底辺支持部５の上面と為す角度は、本実施形態に限定されない。 As shown in FIG. 2, the upper surface of the bottom support portion 5, that is, the upper surface of the cover member 9, is tilted upward as it moves away from the back support portion 6 at a predetermined angle θ1 (for example, 5° to 60°) with respect to the horizontal direction. It is tilted in the direction of transition to . Further, the front surface of the back support portion 6, that is, the front surface of the buffer member 21 is oriented at a predetermined angle θ2 (for example, 5° to 60°) with respect to the vertical direction, and shifts toward the rear as it moves away from the bottom support portion 5. It is sloping. At this time, the front surface of the back support part 6 is approximately perpendicular to the top surface of the bottom support part 5. The angle that the front surface of the back support part 6 makes with the top surface of the bottom support part 5 is not limited to this embodiment.
　以下、上記構成の梱包体１を製造する方法について説明する。本方法は、積層体２をパレット３に梱包する梱包工程を備える。 Hereinafter, a method for manufacturing the package 1 having the above structure will be explained. The method includes a packing step of packing the laminate 2 into a pallet 3.
　梱包工程は、ガラス板Ｇをパレット３に載置する載置工程を含む。図６に示すように、載置工程では、搬送装置の把持部ＣＨによって縦姿勢で移送されるガラス板Ｇをパレット３の底辺支持部５に載置する。また、載置工程では、シート供給装置ＳＶによって縦姿勢で搬送される保護シートＰを、ガラス板Ｇに重なるようにパレット３に供給する。 The packing process includes a placing process of placing the glass plate G on the pallet 3. As shown in FIG. 6, in the mounting process, the glass plate G, which is transported in a vertical position by the gripping section CH of the transport device, is mounted on the bottom support section 5 of the pallet 3. Moreover, in the mounting process, the protective sheet P conveyed in a vertical position by the sheet supply device SV is supplied to the pallet 3 so as to overlap the glass plate G.
　図６に示すように、載置工程では、搬送装置の把持部ＣＨ及びシート供給装置ＳＶは、パレット３の底辺支持部５の上方位置でガラス板Ｇ及び保護シートＰを停止させ、その後、ガラス板Ｇ及び保護シートＰを低速で下降させる。この移動により、ガラス板Ｇの底辺部Ｇｂが底辺支持部５に接触する。 As shown in FIG. 6, in the loading process, the gripping section CH of the conveying device and the sheet supplying device SV stop the glass plate G and the protective sheet P at a position above the bottom support section 5 of the pallet 3, and then The plate G and the protective sheet P are lowered at low speed. Due to this movement, the bottom side Gb of the glass plate G comes into contact with the bottom side support part 5.
　このとき、ガラス板Ｇの底辺部Ｇｂにおける各端部Ｇｂ１，Ｇｂ２は、カバー部材９の第二接触部１８，１９に接触する。緩衝部材７の各支持部１０，１１は、カバー部材９の第二接触部１８，１９及び介在部材８の第二の部分１５，１６を介して、ガラス板Ｇの底辺部Ｇｂにおける各端部Ｇｂ１，Ｇｂ２を支持する。 At this time, each end Gb1, Gb2 of the bottom side Gb of the glass plate G contacts the second contact portions 18, 19 of the cover member 9. Each of the support parts 10 and 11 of the buffer member 7 is connected to each end of the bottom part Gb of the glass plate G via the second contact parts 18 and 19 of the cover member 9 and the second parts 15 and 16 of the intervening member 8. Supports Gb1 and Gb2.
　図７に示すように、ガラス板Ｇの底辺部Ｇｂにおける中間部Ｇｂ３は、凹状に変形しているカバー部材９の第一接触部１７に接触しない。カバー部材９の第一接触部１７と、ガラス板Ｇの底辺部Ｇｂにおける中間部Ｇｂ３との間には、隙間ＧＰが形成される。このため、ガラス板Ｇの底辺部Ｇｂにおける中間部Ｇｂ３は、底辺支持部５によって押圧されない。 As shown in FIG. 7, the intermediate portion Gb3 of the bottom side Gb of the glass plate G does not contact the first contact portion 17 of the cover member 9, which is deformed into a concave shape. A gap GP is formed between the first contact portion 17 of the cover member 9 and the intermediate portion Gb3 of the bottom portion Gb of the glass plate G. Therefore, the intermediate portion Gb3 of the bottom side Gb of the glass plate G is not pressed by the bottom side support portion 5.
　また、載置工程では、ガラス板Ｇを搬送装置の把持部ＣＨによって移送する際、ガラス板Ｇの底辺部Ｇｂにおける中間部Ｇｂ３が撓み、ガラス板Ｇの底辺部Ｇｂにおける中間部Ｇｂ３がカバー部材９の第一接触部１７と接触する場合がある。しかしながら、カバー部材９の第一接触部１７は、ガラス板Ｇの底辺部Ｇｂと接触した際に、凹部１３の内側に変形することができるため、ガラス板Ｇの底辺部Ｇｂにおける中間部Ｇｂ３に過大な圧力が掛かることを防止できる。 In addition, in the mounting process, when the glass plate G is transferred by the gripping part CH of the conveying device, the intermediate part Gb3 at the bottom side Gb of the glass plate G is bent, and the intermediate part Gb3 at the bottom side Gb of the glass plate G is turned into a cover member. It may come into contact with the first contact portion 17 of No. 9 in some cases. However, when the first contact portion 17 of the cover member 9 comes into contact with the bottom side Gb of the glass plate G, it can be deformed inside the recess 13. It can prevent excessive pressure from being applied.
　その後、搬送装置の把持部ＣＨは、ガラス板Ｇの把持を解除する。また、シート供給装置ＳＶは、保護シートＰの把持を解除する。これにより、ガラス板Ｇは、底辺支持部５と背面支持部６とによって傾斜姿勢で支持される。 Thereafter, the gripping section CH of the conveyance device releases the grip on the glass plate G. Further, the sheet supply device SV releases the grip on the protective sheet P. Thereby, the glass plate G is supported in an inclined posture by the bottom support portion 5 and the back support portion 6.
　上記の載置工程を繰り返すことにより、複数のガラス板Ｇがパレット３に積載される。所定数のガラス板Ｇがパレット３に載置されることで、積層体２が構成される。パレット３に積層体２が載置されると、梱包体１は、例えば所定の固定手段により積層体２をパレット３に固定した状態で出荷（輸送）される。固定手段は、特に限定されるものではないが、図８に示すように、積層体２を束縛するベルト２２と、ベルト２２と積層体２の前面との間に配置される押さえ部材２３と、ベルト２２と積層体２の側部との間に配置されるサイドストッパ２４と、を備えたものが利用できる。 By repeating the above loading process, a plurality of glass plates G are loaded on the pallet 3. A laminate 2 is constructed by placing a predetermined number of glass plates G on a pallet 3. When the laminate 2 is placed on the pallet 3, the package 1 is shipped (transported) with the laminate 2 fixed to the pallet 3, for example, by a predetermined fixing means. Although the fixing means is not particularly limited, as shown in FIG. A device including a side stopper 24 disposed between the belt 22 and the side of the laminate 2 can be used.
　ベルト２２の長手方向両端は、積層体２がパレット３上の所定位置に縦姿勢で収容された状態で、背面支持部６に設けられたフック２５に掛けられ、二重にした状態で、押さえ部材２３の前面上で図示しないラチェット等により締め付けた状態で固定される。これにより、積層体２が前後左右方向への移動を規制された状態で、パレット３に固定される。 Both ends of the belt 22 in the longitudinal direction are hung on hooks 25 provided on the back support part 6 with the stacked body 2 stored in a predetermined position on the pallet 3 in a vertical position, and held in a double state. It is fixed on the front surface of the member 23 in a tightened state using a ratchet or the like (not shown). Thereby, the stacked body 2 is fixed to the pallet 3 in a state in which movement in the front, back, right and left directions is restricted.
　なお、この際、図８に示すように、積層体２の最前面側にフレーム板２６を載置し、このフレーム板２６と積層体２、及び押さえ部材２３をベルト２２で背面支持部６側に押圧してもよい。また、積層体２に塵埃が付着するのを防止するために、積層体２に保護袋を被せたり保護フィルムを巻いたりしてもよい。 At this time, as shown in FIG. 8, the frame board 26 is placed on the frontmost side of the laminate 2, and the frame board 26, the laminate 2, and the pressing member 23 are held together by the belt 22 on the back support part 6 side. You can also press it. Further, in order to prevent dust from adhering to the laminate 2, the laminate 2 may be covered with a protective bag or wrapped with a protective film.
　以上説明した本実施形態に係る梱包体１、パレット３及び梱包体１の製造方法によれば、積層体２をパレット３に載置したときに、積層体２に含まれるガラス板Ｇの底辺部Ｇｂは、介在部材８を介して緩衝部材７の支持部１０，１１によって支持されることとなる。この場合において、緩衝部材７の凹部１３（空間部）を覆うように位置する介在部材８の第一の部分１４は、凹部１３の内側に向かって凹状に変形している。このため、ガラス板Ｇの底辺部Ｇｂにおける中間部Ｇｂ３に過大な圧力が作用することが防止される。これにより、ガラス板Ｇの底辺部Ｇｂ（中間部Ｇｂ３）の破損を防止することが可能となる。 According to the package 1, the pallet 3, and the manufacturing method of the package 1 according to the embodiment described above, when the laminate 2 is placed on the pallet 3, the bottom part of the glass plate G included in the laminate 2 Gb is supported by the support parts 10 and 11 of the buffer member 7 via the intervening member 8. In this case, the first portion 14 of the intervening member 8 located so as to cover the recess 13 (space) of the buffer member 7 is deformed into a concave shape toward the inside of the recess 13. Therefore, excessive pressure is prevented from acting on the intermediate portion Gb3 of the bottom portion Gb of the glass plate G. This makes it possible to prevent damage to the bottom portion Gb (intermediate portion Gb3) of the glass plate G.
　また、底辺支持部５における緩衝部材７の第一支持部１０及び第二支持部１１は、連結部１２によって連結されていることから、その間隔が常に一定となっている。これにより、基台部４（底面部５ａ）に対する緩衝部材７の設置作業を効率良く行うことができる。 Moreover, since the first support part 10 and the second support part 11 of the buffer member 7 in the bottom support part 5 are connected by the connection part 12, the interval between them is always constant. Thereby, the work of installing the buffer member 7 on the base portion 4 (bottom portion 5a) can be performed efficiently.
　梱包体１は、出荷後、あるいは出荷前に、一定期間保管される場合がある。また、梱包体１の輸送手段及び輸送経路によっては、輸送期間が長期化する場合がある。この場合、底辺支持部５の緩衝部材７は、積層体２の重量によって圧縮され、時間の経過とともに徐々に収縮する。これにより、緩衝部材７の支持部１０，１１の厚さ寸法は、徐々に小さくなる。このように支持部１０，１１の厚さが徐々に小さくなるにつれて、介在部材８の第一の部分１４と凹部１３の底面１３ａとの間に形成されていた隙間が徐々に小さくなり、これに伴い底辺支持部５のカバー部材９の第一接触部１７とガラス板Ｇの底辺部Ｇｂの中間部Ｇｂ３との間に形成されていた隙間ＧＰも徐々に小さくなる。 The package 1 may be stored for a certain period of time after or before shipping. Further, depending on the transportation means and transportation route of the package 1, the transportation period may be prolonged. In this case, the buffer member 7 of the bottom support portion 5 is compressed by the weight of the laminate 2 and gradually contracts over time. As a result, the thickness of the support portions 10 and 11 of the buffer member 7 gradually decreases. As the thickness of the supporting parts 10 and 11 gradually decreases in this way, the gap formed between the first part 14 of the intervening member 8 and the bottom surface 13a of the recessed part 13 gradually becomes smaller. Accordingly, the gap GP formed between the first contact portion 17 of the cover member 9 of the bottom support portion 5 and the intermediate portion Gb3 of the bottom portion Gb of the glass plate G also gradually becomes smaller.
　梱包体１の保管期間又は輸送期間によっては、この隙間ＧＰが消失し、カバー部材９の第一接触部１７がガラス板Ｇの底辺部Ｇｂにおける中間部Ｇｂ３に接触する場合もある。これにより、ガラス板Ｇの底辺部Ｇｂにおける中間部Ｇｂ３は、底辺支持部５の中央部（カバー部材９の第一接触部１７及び介在部材８の第一の部分１４）によって支持される。この場合において、介在部材８の第一の部分１４とガラス板Ｇの底辺部Ｇｂにおける中間部Ｇｂ３との間に作用する圧力は、その下方に緩衝部材７の凹部１３（空間部）が存在するために、介在部材８の第二の部分１５，１６とガラス板Ｇの底辺部Ｇｂの各端部Ｇｂ１，Ｇｂ２との間に作用する圧力よりも小さくなる。 Depending on the storage period or transportation period of the package 1, this gap GP may disappear and the first contact portion 17 of the cover member 9 may come into contact with the intermediate portion Gb3 of the bottom portion Gb of the glass plate G. Thereby, the intermediate portion Gb3 of the bottom side Gb of the glass plate G is supported by the center portion of the bottom side support portion 5 (the first contact portion 17 of the cover member 9 and the first portion 14 of the intervening member 8). In this case, the pressure acting between the first portion 14 of the intervening member 8 and the intermediate portion Gb3 at the bottom portion Gb of the glass plate G is due to the presence of the recess 13 (space) of the buffer member 7 below. Therefore, the pressure acting between the second portions 15, 16 of the intervening member 8 and the respective ends Gb1, Gb2 of the bottom side Gb of the glass plate G is smaller.
　このように、梱包体１が保管されている状態において、ガラス板Ｇの底辺部Ｇｂにおける中間部Ｇｂ３が介在部材８及びカバー部材９に支持された場合であっても、この中間部Ｇｂ３に過大な圧力が作用することを防止し、この中間部Ｇｂ３の破損を防止することができる。 In this way, when the package 1 is stored, even if the middle part Gb3 of the bottom side Gb of the glass plate G is supported by the intervening member 8 and the cover member 9, there is no excessive force on this middle part Gb3. Therefore, it is possible to prevent the intermediate portion Gb3 from being damaged.
　図９乃至図１１は、本発明の第二実施形態を示す。本実施形態に係るパレットでは、底辺支持部における緩衝部材の構成が第一実施形態と異なる。 9 to 11 show a second embodiment of the present invention. In the pallet according to this embodiment, the configuration of the buffer member in the bottom support portion is different from that in the first embodiment.
　緩衝部材７は、第一緩衝部材７Ａと、第二緩衝部材７Ｂとを含む。第一緩衝部材７Ａは、第一実施形態と同様に、支持部１０，１１、連結部１２及び凹部１３を有する。第一緩衝部材７Ａの幅寸法Ｗｃは、ガラス板Ｇの底辺部Ｇｂにおける幅寸法Ｗｂよりも小さい。すなわち、緩衝部材７は、ガラス板Ｇの底辺部Ｇｂにおける端部Ｇｂ１，Ｇｂ２が第一緩衝部材７Ａの支持部１０，１１から側方（幅方向Ｘにおける外方）に食み出すように、基台部４に設置されている。ガラス板Ｇの底辺部Ｇｂにおける端部Ｇｂ１，Ｇｂ２の第一緩衝部材７Ａの支持部１０，１１からの食み出し量の上限値は、好ましくは３００ｍｍ、より好ましくは１００ｍｍであり、下限値は、好ましくは１０ｍｍ、より好ましくは３０ｍｍである。 The buffer member 7 includes a first buffer member 7A and a second buffer member 7B. The first buffer member 7A has supporting parts 10 and 11, a connecting part 12, and a recessed part 13, similarly to the first embodiment. The width Wc of the first buffer member 7A is smaller than the width Wb of the glass plate G at the bottom Gb. That is, the buffer member 7 is configured such that the end portions Gb1 and Gb2 of the bottom portion Gb of the glass plate G protrude laterally (outward in the width direction X) from the support portions 10 and 11 of the first buffer member 7A. It is installed on the base section 4. The upper limit of the amount of protrusion of the ends Gb1 and Gb2 of the bottom side Gb of the glass plate G from the support parts 10 and 11 of the first buffer member 7A is preferably 300 mm, more preferably 100 mm, and the lower limit is , preferably 10 mm, more preferably 30 mm.
　第二緩衝部材７Ｂは、第一緩衝部材７Ａの凹部１３に嵌合することが可能な板形状又はブロック形状に構成される。第二緩衝部材７Ｂは、第一緩衝部材７Ａの支持部１０，１１よりも２５％圧縮応力が小さい材料により構成される。第二緩衝部材７Ｂの２５％圧縮応力は、例えば５０～１００ｋＰａであることが好ましい。これにより、第二緩衝部材７Ｂは、第一緩衝部材７Ａの支持部１０，１１よりも剛性が低くなる。 The second buffer member 7B is configured in a plate or block shape that can fit into the recess 13 of the first buffer member 7A. The second buffer member 7B is made of a material having a compressive stress 25% smaller than that of the support parts 10 and 11 of the first buffer member 7A. The 25% compressive stress of the second buffer member 7B is preferably 50 to 100 kPa, for example. Thereby, the second buffer member 7B has lower rigidity than the support parts 10 and 11 of the first buffer member 7A.
　第二緩衝部材７Ｂの幅寸法Ｗｃ４は、第一緩衝部材７Ａの凹部１３の幅寸法Ｗｃ３とほぼ等しい。第二緩衝部材７Ｂの厚さ寸法は、第一緩衝部材７Ａの支持部１０，１１の厚さ寸法よりも小さい。第二緩衝部材７Ｂの厚さ寸法は、第一緩衝部材７Ａの凹部１３の深さ寸法とほぼ等しい。 The width Wc4 of the second buffer member 7B is approximately equal to the width Wc3 of the recess 13 of the first buffer member 7A. The thickness dimension of the second buffer member 7B is smaller than the thickness dimension of the support parts 10 and 11 of the first buffer member 7A. The thickness of the second buffer member 7B is approximately equal to the depth of the recess 13 of the first buffer member 7A.
　本実施形態に係るパレット３の底辺支持部５において、介在部材８の第一の部分１４は、その自重により下方に凹状に変形している。カバー部材９の第一接触部１７は、介在部材８の第一の部分１４に接触した状態で、下方に凹状に変形している。 In the bottom support portion 5 of the pallet 3 according to the present embodiment, the first portion 14 of the intervening member 8 is deformed downward into a concave shape due to its own weight. The first contact portion 17 of the cover member 9 is in contact with the first portion 14 of the intervening member 8 and is deformed downward into a concave shape.
　第二緩衝部材７Ｂは、第一緩衝部材７Ａの凹部１３に収容された状態で、介在部材８の第一の部分１４に接触している。第二緩衝部材７Ｂの上面は、第一の部分１４に押圧されることで凹状に変形している。 The second buffer member 7B is in contact with the first portion 14 of the intervening member 8 while being accommodated in the recess 13 of the first buffer member 7A. The upper surface of the second buffer member 7B is deformed into a concave shape by being pressed by the first portion 14.
　以上説明した本実施形態に係るパレット３によれば、底辺支持部５の第一緩衝部材７Ａに設けられる空間部（凹部１３）に収容された第二緩衝部材７Ｂによって、介在部材８の第一の部分１４及びカバー部材９の第一接触部１７の変形量を調整することが可能となる。また、ガラス板Ｇの底辺部Ｇｂにおける端部Ｇｂ１，Ｇｂ２を第一緩衝部材７Ａの支持部１０，１１から幅方向Ｘに食み出させることで、ガラス板Ｇの端部Ｇｂ１，Ｇｂ２に過大な圧力が作用することを防止し、この端部Ｇｂ１，Ｇｂ２の破損を防止することが可能になる。 According to the pallet 3 according to the present embodiment described above, the second buffer member 7B accommodated in the space (recess 13) provided in the first buffer member 7A of the bottom support portion 5 causes the first buffer member 8 of the intervening member 8 to It becomes possible to adjust the amount of deformation of the portion 14 and the first contact portion 17 of the cover member 9. In addition, by making the ends Gb1 and Gb2 of the bottom side Gb of the glass plate G protrude from the support parts 10 and 11 of the first buffer member 7A in the width direction This makes it possible to prevent the application of excessive pressure and prevent damage to the ends Gb1 and Gb2.
　図１２及び図１３は、本発明の第三実施形態を示す。本実施形態に係るパレットでは、底辺支持部における緩衝部材の構成が第一実施形態と異なる。 12 and 13 show a third embodiment of the present invention. In the pallet according to this embodiment, the configuration of the buffer member in the bottom support portion is different from that in the first embodiment.
　緩衝部材７は、支持部１０，１１の上部同士を連結する第一連結部１２ａと、支持部１０，１１の下部同士を連結する第二連結部１２ｂと、第一連結部１２ａと第二連結部１２ｂとの間に形成される空間部としての孔７ａと、を有する。 The buffer member 7 includes a first connecting part 12a that connects the upper parts of the supporting parts 10 and 11, a second connecting part 12b that connects the lower parts of the supporting parts 10 and 11, and a first connecting part 12a and a second connecting part. It has a hole 7a as a space formed between the part 12b and the part 12b.
　第一連結部１２ａは、介在部材８の第一の部分１４に接触している。第一連結部１２ａは、この第一の部分１４に押圧されることで、下方に凹状に変形している。 The first connecting portion 12a is in contact with the first portion 14 of the intervening member 8. The first connecting portion 12a is deformed downward into a concave shape by being pressed by the first portion 14.
　孔７ａは、緩衝部材７を前後に貫通するように構成されるが、この構成に限定されない。孔７ａは、二つの開口部のうち、一方の開口部が閉塞されていてもよい。 The hole 7a is configured to penetrate the buffer member 7 back and forth, but is not limited to this configuration. One of the two openings of the hole 7a may be closed.
　図１４及び図１５は、本発明の第四実施形態を示す。本実施形態に係るパレットでは、底辺支持部における緩衝部材の構成が第一実施形態と異なる。 14 and 15 show a fourth embodiment of the present invention. In the pallet according to this embodiment, the configuration of the buffer member in the bottom support portion is different from that in the first embodiment.
　緩衝部材７は、支持部１０，１１の上部同士を連結する連結部１２と、連結部１２の下方に形成される、空間部としての凹部１３と、を有する。緩衝部材７は、支持部１０，１１の下部同士を連結する連結部を有していない。この構成により、凹部１３は、下方に開口する構成を有する。 The buffer member 7 has a connecting portion 12 that connects the upper portions of the supporting portions 10 and 11, and a recess 13 as a space formed below the connecting portion 12. The buffer member 7 does not have a connecting portion that connects the lower portions of the supporting portions 10 and 11 to each other. With this configuration, the recess 13 has a configuration that opens downward.
　図１６及び図１７は、本発明の第五実施形態を示す。本実施形態に係るパレットでは、底辺支持部における緩衝部材の構成が第一実施形態と異なる。 16 and 17 show a fifth embodiment of the present invention. In the pallet according to this embodiment, the configuration of the buffer member in the bottom support portion is different from that in the first embodiment.
　緩衝部材７は、支持部１０，１１を連結する連結部を有していない。すなわち、緩衝部材７は、板状又はブロックに構成され、分離されている一対の支持部１０，１１と、一対の支持部１０，１１の間に形成される空間部Ｓと、を有する。 The buffer member 7 does not have a connecting part that connects the supporting parts 10 and 11. That is, the buffer member 7 has a pair of support parts 10 and 11 that are configured in a plate shape or a block shape and are separated, and a space part S that is formed between the pair of support parts 10 and 11.
　一対の支持部１０，１１は、ガラス板Ｇの底辺部Ｇｂの各端部Ｇｂ１，Ｇｂ２を支持するように、幅方向Ｘに離間した状態で基台部４に設置されている。これにより、第一支持部１０と第二支持部１１との間に形成される空間部Ｓは、介在部材８の第一の部分１４及びカバー部材９の第一接触部１７の下方への変形を許容することができる。 The pair of support parts 10 and 11 are installed on the base part 4 while being spaced apart in the width direction X so as to support the respective ends Gb1 and Gb2 of the bottom part Gb of the glass plate G. As a result, the space S formed between the first support part 10 and the second support part 11 is free from the downward deformation of the first part 14 of the intervening member 8 and the first contact part 17 of the cover member 9. can be tolerated.
　本実施形態に係る緩衝部材７によれば、支持部１０，１１の位置を変更することで、緩衝部材７の幅寸法Ｗｃを調整することができる。これにより、積層体２の大きさに応じて緩衝部材７を最適な幅寸法Ｗｃに設定することが可能となる。 According to the buffer member 7 according to the present embodiment, the width dimension Wc of the buffer member 7 can be adjusted by changing the positions of the support parts 10 and 11. Thereby, it becomes possible to set the buffer member 7 to the optimal width dimension Wc according to the size of the laminate 2.
　なお、本発明は、上記実施形態の構成に限定されるものではなく、上記した作用効果に限定されるものでもない。本発明は、本発明の要旨を逸脱しない範囲で種々の変更が可能である。 Note that the present invention is not limited to the configuration of the embodiments described above, nor is it limited to the effects described above. The present invention can be modified in various ways without departing from the gist of the invention.
　上記の第二実施形態では、第二緩衝部材７Ｂの材料として、第一緩衝部材７Ａよりも２５％圧縮応力の小さい材料を使用することで、第二緩衝部材７Ｂの剛性を低くしているが、これに限定されない。第二緩衝部材７Ｂに孔や溝を設けたり、第二緩衝部材７Ｂを複数の部材に分割したり、第二緩衝部材７Ｂの横方向の寸法を小さくしたりするなど、第二緩衝部材７Ｂの形状や寸法を変更することで、第二緩衝部材７Ｂの剛性を低くしても良い。 In the second embodiment described above, the rigidity of the second buffer member 7B is lowered by using a material with a compressive stress 25% smaller than that of the first buffer member 7A as the material of the second buffer member 7B. , but not limited to. The second buffer member 7B may be modified by providing holes or grooves in the second buffer member 7B, dividing the second buffer member 7B into a plurality of members, reducing the lateral dimension of the second buffer member 7B, etc. The rigidity of the second buffer member 7B may be reduced by changing the shape and dimensions.
　上記第三実施形態、第四実施形態、及び第五実施形態では、緩衝部材７に凹部又は空間部が設けられているが、これに限定されない。第二実施形態と同様に、凹部又は空間部に嵌合するよう、第二緩衝部材を設けても良い。 In the third embodiment, fourth embodiment, and fifth embodiment, the buffer member 7 is provided with a recess or a space, but the present invention is not limited to this. As in the second embodiment, a second buffer member may be provided to fit into the recess or space.
　１　　　　　　ガラス板梱包体
　２　　　　　　ガラス板積層体
　３　　　　　　ガラス板梱包用パレット
　４　　　　　　基台部
　５　　　　　　底辺支持部
　６　　　　　　背面支持部
　７　　　　　　緩衝部材
　７Ａ　　　　　第一緩衝部材
　７Ｂ　　　　　第二緩衝部材
　８　　　　　　介在部材
　９　　　　　　カバー部材
１０　　　　　　第一支持部
１１　　　　　　第二支持部
１３　　　　　　凹部（空間部）
１４　　　　　　介在部材の第一の部分
１５　　　　　　介在部材の第二の部分
１６　　　　　　介在部材の第二の部分
　Ｇ　　　　　　ガラス板
　Ｇｂ　　　　　ガラス板の底辺部
　Ｇｂ１　　　　底辺部の第一端部
　Ｇｂ２　　　　底辺部の第二端部
　Ｇｂ３　　　　底辺部の中間部
　Ｐ　　　　　　保護シート
　Ｘ　　　　　　幅方向 1 Glass plate package 2 Glass plate laminate 3 Glass plate packaging pallet 4 Base portion 5 Bottom support portion 6 Back support portion 7 Buffer member 7A First buffer member 7B Second buffer member 8 Intervening member 9 Cover member 10 First Support part 11 Second support part 13 Recessed part (space part)
14 First part of the intervening member 15 Second part of the intervening member 16 Second part of the intervening member G Glass plate Gb Bottom part of glass plate Gb1 First end part of the bottom part Gb2 Second end part of the bottom part Gb3 Middle part of the bottom P Protective sheet X Width direction

Claims (10)

  1. 　ガラス板と保護シートとを含むガラス板積層体が縦姿勢で上方に収容される基台部と、前記ガラス板積層体の背面を支持する背面支持部と、前記ガラス板積層体の底辺を支持する底辺支持部と、を備えたガラス板梱包用パレットであって、
    　前記ガラス板は、前記ガラス板積層体の前記底辺を構成する底辺部を有し、
    　前記底辺部は、前記ガラス板の幅方向における第一端部及び第二端部と、前記第一端部と前記第二端部との間に位置する中間部と、を有し、
    　前記底辺支持部は、前記基台部と前記ガラス板積層体との間に配置される緩衝部材と、前記緩衝部材と前記ガラス板積層体との間に配置される介在部材と、を備え、
    　前記緩衝部材は、前記ガラス板の前記底辺部における前記中間部に対応する位置に設けられる空間部と、前記ガラス板の前記底辺部における前記第一端部及び前記第二端部を支持する支持部と、を有し、
    　前記介在部材は、前記緩衝部材の前記空間部に対応する位置に配置される第一の部分と、前記緩衝部材の前記支持部に対応する位置に配置される第二の部分と、を含むことを特徴とするガラス板梱包用パレット。     a base portion in which a glass plate laminate including a glass plate and a protective sheet is vertically accommodated; a back support portion supporting a back surface of the glass plate laminate; and a back support portion supporting a bottom side of the glass plate laminate. A pallet for packing glass plates, comprising:
    The glass plate has a bottom side that constitutes the bottom side of the glass plate laminate,
    The bottom part has a first end part and a second end part in the width direction of the glass plate, and an intermediate part located between the first end part and the second end part,
    The bottom support portion includes a buffer member disposed between the base portion and the glass plate laminate, and an intervening member disposed between the buffer member and the glass plate laminate,
    The buffer member includes a space provided at a position corresponding to the intermediate portion of the bottom portion of the glass plate, and a support that supports the first end portion and the second end portion of the bottom portion of the glass plate. and has a
    The intervening member may include a first portion disposed at a position corresponding to the space portion of the buffer member, and a second portion disposed at a position corresponding to the support portion of the buffer member. A glass plate packaging pallet featuring:
  2. 　前記空間部には、空間が形成されることを特徴とする請求項１に記載のガラス板梱包用パレット。 The pallet for packing glass plates according to claim 1, wherein a space is formed in the space portion.
  3. 　前記空間部には、前記緩衝部材の前記支持部よりも剛性が低い第二の緩衝部材が配置されることを特徴とする請求項１に記載のガラス板梱包用パレット。 The pallet for packing glass plates according to claim 1, wherein a second buffer member having lower rigidity than the support portion of the buffer member is arranged in the space portion.
  4. 　前記第二の緩衝部材は、前記緩衝部材の前記支持部よりも２５％圧縮応力が小さい材料により構成されることを特徴とする請求項３に記載のガラス板梱包用パレット。 4. The glass plate packaging pallet according to claim 3, wherein the second buffer member is made of a material having a compressive stress that is 25% smaller than that of the support portion of the buffer member.
  5. 　前記緩衝部材は、前記ガラス板の前記底辺部における前記第一端部及び前記第二端部が前記緩衝部材から前記幅方向に食み出すように、前記基台部に設置されることを特徴とする請求項１から４のいずれか一項に記載のガラス板梱包用パレット。 The buffer member is installed on the base portion such that the first end portion and the second end portion of the bottom portion of the glass plate protrude from the buffer member in the width direction. The glass plate packaging pallet according to any one of claims 1 to 4.
  6. 　前記底辺支持部は、前記介在部材と前記ガラス板積層体との間で、前記介在部材を覆うカバー部材を備え、
    　前記カバー部材は、ゴム材、ボール紙、発泡樹脂、プラスチックダンボールのうち少なくとも一つを含むことを特徴とする請求項１から４のいずれか一項に記載のガラス板梱包用パレット。     The bottom support portion includes a cover member that covers the intervening member between the intervening member and the glass plate laminate,
    The glass plate packaging pallet according to any one of claims 1 to 4, wherein the cover member includes at least one of a rubber material, cardboard, foamed resin, and plastic cardboard.
  7. 　前記緩衝部材は、ゴム材及び発泡樹脂の少なくとも一方を含むことを特徴とする請求項１から４のいずれか一項に記載のガラス板梱包用パレット。 The pallet for packing glass plates according to any one of claims 1 to 4, wherein the buffer member includes at least one of a rubber material and a foamed resin.
  8. 　請求項１から４のいずれか一項に記載のガラス板梱包用パレットに、前記ガラス板積層体を梱包してなることを特徴とするガラス板梱包体。 A glass plate package, characterized in that the glass plate laminate is packed in the glass plate packaging pallet according to any one of claims 1 to 4.
  9. 　前記ガラス板積層体を請求項１から４のいずれか一項に記載のガラス板梱包用パレットに梱包する梱包工程を備え、
    　前記梱包工程は、前記ガラス板を前記底辺支持部に載置する載置工程を含み、
    　前記載置工程では、前記介在部材の前記第一の部分が前記ガラス板の前記底辺部における前記中間部に接触しないように、前記第一の部分を前記緩衝部材の前記空間部の内側に向かって変形させることを特徴とするガラス板梱包体の製造方法。     A packing step of packing the glass plate laminate into a glass plate packing pallet according to any one of claims 1 to 4,
    The packing step includes a placing step of placing the glass plate on the bottom support portion,
    In the placing step, the first portion of the intervening member is moved toward the inside of the space of the buffer member so that the first portion of the intervening member does not contact the intermediate portion of the bottom portion of the glass plate. A method for manufacturing a glass plate package, characterized by deforming it by deforming it.
  10. 　ガラス板と保護シートとを含むガラス板積層体が縦姿勢で上方に収容される基台部と、前記ガラス板積層体の背面を支持する背面支持部と、前記ガラス板積層体の底辺を支持する底辺支持部と、を備えたガラス板梱包用パレットであって、
    　前記ガラス板は、前記ガラス板積層体の前記底辺を構成する底辺部を有し、
    　前記底辺部は、前記ガラス板の幅方向における第一端部及び第二端部と、前記第一端部と前記第二端部との間に位置する中間部と、を有し、
    　前記底辺支持部は、前記ガラス板の前記底辺部における前記中間部に作用する圧力が、前記ガラス板の前記底辺部における前記第一端部又は前記第二端部に作用する圧力よりも小さくなるように、前記ガラス板を支持することを特徴とするガラス板梱包用パレット。     a base portion in which a glass plate laminate including a glass plate and a protective sheet is vertically accommodated; a back support portion supporting a back surface of the glass plate laminate; and a back support portion supporting a bottom side of the glass plate laminate. A pallet for packing glass plates, comprising:
    The glass plate has a bottom side that constitutes the bottom side of the glass plate laminate,
    The bottom part has a first end part and a second end part in the width direction of the glass plate, and an intermediate part located between the first end part and the second end part,
    In the bottom support portion, the pressure acting on the intermediate portion at the bottom portion of the glass plate is smaller than the pressure acting on the first end portion or the second end portion at the bottom portion of the glass plate. A pallet for packing glass plates, characterized in that it supports the glass plates.
PCT/JP2023/023197 2022-07-25 2023-06-22 Glass sheet packaging pallet, glass sheet packaging body, and method for manufacturing glass sheet packaging body WO2024024351A1 (en)

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Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2019112141A (en) * 2017-12-20 2019-07-11 日本電気硝子株式会社 Glass sheet packaging pallet and glass sheet package
WO2020129764A1 (en) * 2018-12-17 2020-06-25 日本電気硝子株式会社 Glass plate packaging pallet and glass plate packaging body

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2019112141A (en) * 2017-12-20 2019-07-11 日本電気硝子株式会社 Glass sheet packaging pallet and glass sheet package
WO2020129764A1 (en) * 2018-12-17 2020-06-25 日本電気硝子株式会社 Glass plate packaging pallet and glass plate packaging body

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