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JP2005153951A - Packaging member for fpd glass substrate, and method of carrying the fpd glass substrate - Google Patents

Packaging member for fpd glass substrate, and method of carrying the fpd glass substrate Download PDF

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JP2005153951A
JP2005153951A JP2003396107A JP2003396107A JP2005153951A JP 2005153951 A JP2005153951 A JP 2005153951A JP 2003396107 A JP2003396107 A JP 2003396107A JP 2003396107 A JP2003396107 A JP 2003396107A JP 2005153951 A JP2005153951 A JP 2005153951A
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glass substrate
fpd
water
soluble film
packaging member
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JP2003396107A
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Japanese (ja)
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Keiichi Fujimori
森 啓 一 藤
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Fujimori Technical Laboratory Inc
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Fujimori Technical Laboratory Inc
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Priority to JP2003396107A priority Critical patent/JP2005153951A/en
Priority to US10/976,745 priority patent/US20050109651A1/en
Priority to TW093136224A priority patent/TW200530098A/en
Priority to KR1020040098221A priority patent/KR20050050612A/en
Publication of JP2005153951A publication Critical patent/JP2005153951A/en
Pending legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G49/00—Conveying systems characterised by their application for specified purposes not otherwise provided for
    • B65G49/05—Conveying systems characterised by their application for specified purposes not otherwise provided for for fragile or damageable materials or articles
    • B65G49/06—Conveying systems characterised by their application for specified purposes not otherwise provided for for fragile or damageable materials or articles for fragile sheets, e.g. glass
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B33/00—Packaging articles by applying removable, e.g. strippable, coatings
    • B65B33/02—Packaging small articles, e.g. spare parts for machines or engines
    • 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
    • B65D81/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
    • B65D81/02—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents specially adapted to protect contents from mechanical damage
    • B65D81/03—Wrappers or envelopes with shock-absorbing properties, e.g. bubble films
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G49/00—Conveying systems characterised by their application for specified purposes not otherwise provided for
    • B65G49/05—Conveying systems characterised by their application for specified purposes not otherwise provided for for fragile or damageable materials or articles
    • B65G49/07—Conveying systems characterised by their application for specified purposes not otherwise provided for for fragile or damageable materials or articles for semiconductor wafers Not used, see H01L21/677

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

Abstract

<P>PROBLEM TO BE SOLVED: To provide a packaging member for a glass substrate to be used in manufacturing an FPD and a method of feeding a FPD glass substrate, capable of simplifying the treatment of the glass substrate and the packaging member in a FPD production line and efficiently feeding the glass substrate by reducing the outer dimensions of a packing style during the feed. <P>SOLUTION: The packaging member wraps one or both surfaces of glass substrates 5 and 5 to be used in manufacturing the FPD for feeding them. Its material is composed as a water-soluble film 14 which solves in the water. Thus pre-treatment of each glass substrate 5 in the FPD production line can be simplified, and also the outer dimension of the packing style when they are packed in an outer box 12 and a lid 13 for feeding can be reduced, whereby a plurality of substrates 5 can be efficiently carried. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

本発明は、液晶ディスプレイやプラズマディスプレイなどのＦＰＤの製造に用いるガラス基板の包装部材及びＦＰＤ用ガラス基板の搬送方法に関し、詳しくは、ＦＰＤ用ガラス基板を水溶性フィルムで包装することによって、ＦＰＤの製造ラインにおけるガラス基板及び包装部材の処理を簡素化できると共に、搬送時の荷姿の外形寸法を小さくしてガラス基板を効率的に搬送可能とするＦＰＤ用ガラス基板の包装部材及びＦＰＤ用ガラス基板の搬送方法に関するものである。   The present invention relates to a glass substrate packaging member used for manufacturing FPDs such as liquid crystal displays and plasma displays, and a method for transporting an FPD glass substrate, and more specifically, by packaging an FPD glass substrate with a water-soluble film, A packaging member for an FPD glass substrate and an FPD glass substrate that can simplify the processing of the glass substrate and the packaging member in the production line and can efficiently transport the glass substrate by reducing the outer dimensions of the package during transportation. It is related with the conveyance method.

従来、液晶ディスプレイやプラズマディスプレイなどのＦＰＤの製造に用いるガラス基板を搬送する場合には、図６に示す搬送ボックス１が用いられていた。この搬送ボックス１は、その内部に複数枚のガラス基板を立てて並べた状態で収納するもので、発泡ポリプロピレンなどの軽量で丈夫な材質で形成された箱形の本体部２と、この本体部２の開口部を覆う蓋部材３とから成り、これらが２本のゴムバンド４，４で固定されるようになっていた。この本体部２の内部の左右両側面には、図７に示すように、ＦＰＤ用ガラス基板５の縁部を挟んで固定するクッション部材６が配設されていた。このクッション部材６の内側の面には、部分拡大図Ｐに示すように、複数個の突起部７，７，…が形成されており、各突起部７，７の間にはガラス基板５の厚みに対応する幅の隙間８が形成されていた。そして、この突起部７，７の隙間８にガラス基板５を差し込んで、該ガラス基板５の縁部を突起部７，７で挟んで固定することによって、搬送ボックス１の内部に複数枚のガラス基板５，５，…を立てて並べて収納するようになっていた（例えば、特許文献１参照。）。
特開平７−２８５６１１号公報 Conventionally, when a glass substrate used for manufacturing an FPD such as a liquid crystal display or a plasma display is transported, a transport box 1 shown in FIG. 6 has been used. The transport box 1 stores a plurality of glass substrates in an upright state, and includes a box-shaped main body 2 formed of a lightweight and strong material such as foamed polypropylene, and the main body. The lid member 3 covers the two openings, and these are fixed by the two rubber bands 4 and 4. As shown in FIG. 7, cushion members 6 that are fixed by sandwiching the edge of the glass substrate 5 for FPD are disposed on the left and right side surfaces inside the main body 2. As shown in the partial enlarged view P, a plurality of projections 7, 7,... Are formed on the inner surface of the cushion member 6, and the glass substrate 5 is interposed between the projections 7, 7. A gap 8 having a width corresponding to the thickness was formed. The glass substrate 5 is inserted into the gap 8 between the protrusions 7 and 7, and the edge of the glass substrate 5 is sandwiched and fixed between the protrusions 7 and 7. The substrates 5, 5,... Are arranged and stored side by side (for example, see Patent Document 1).
JP-A-7-285611

しかし、このような搬送ボックス１においては、搬送中にガラス基板５が撓んだ場合でも、隣り合うＦＰＤ用ガラス基板５，５同士が接触して表面に傷が付かないようにするためには、部分拡大図Ｐに示すように、各ガラス基板５を固定する隙間８，８同士が所定の距離ｇ0だけ離れるようにしなければならなかった。例えば、幅１１００ｍｍ×高さ１３００ｍｍで厚さ１mm以下のガラス基板５が互いに接触しないようにするためには、上記隙間８，８間の距離ｇ0が約２５mmとなるように突起部７を形成しなければならなかった。これにより、図６に示すように、例えば２０枚のＦＰＤ用ガラス基板５を収納する搬送ボックス１の場合、その外形寸法が、幅（Ｗ）１２００mm×高さ（Ｈ）１４１０mm×奥行き（Ｄ）７２０mmとなり、大型となるものであった。 However, in such a transport box 1, even when the glass substrate 5 is bent during transport, the adjacent glass substrates 5 and 5 for FPD are in contact with each other so that the surface is not damaged. As shown in the partially enlarged view P, the gaps 8 for fixing the glass substrates 5 must be separated from each other by a predetermined distance g 0 . For example, in order to prevent the glass substrates 5 having a width of 1100 mm × height of 1300 mm and a thickness of 1 mm or less from contacting each other, the protrusion 7 is formed so that the distance g 0 between the gaps 8 is about 25 mm. Had to do. As a result, as shown in FIG. 6, for example, in the case of a transport box 1 that houses 20 FPD glass substrates 5, the external dimensions are width (W) 1200 mm × height (H) 1410 mm × depth (D). It was 720 mm, which was a large size.

さらに、近年、大型画面のＦＰＤの製造に用いるガラス基板として、例えば幅１３００ｍｍ×高さ１５００ｍｍ、幅１５００ｍｍ×高さ１８００ｍｍ、幅１９００ｍｍ×高さ２１００ｍｍなど、さらに大きいサイズのものがあるが、ガラス基板のサイズが大きくなるにしたがって、その撓みも大きくなる。そのため、搬送ボックス１内で隣り合うガラス基板５，５同士が接触しないようにするためには、前記隙間８，８間の距離ｇ0をさらに大きく形成しなければならなかった。これにより、搬送ボックス１は、奥行き（Ｄ）がさらに長くなるので、ガラス基板５のサイズが大きいものほど、搬送ボックス１の外形寸法が大型化し、効率的な搬送ができないという問題点があった。 Further, in recent years, glass substrates used for manufacturing large-screen FPDs have larger sizes such as, for example, width 1300 mm × height 1500 mm, width 1500 mm × height 1800 mm, width 1900 mm × height 2100 mm. As the size increases, the deflection also increases. Therefore, in order to prevent the adjacent glass substrates 5 and 5 from contacting each other in the transport box 1, the distance g 0 between the gaps 8 and 8 must be further increased. Thereby, since the depth (D) of the transport box 1 is further increased, there is a problem in that the larger the size of the glass substrate 5 is, the larger the outer dimensions of the transport box 1 are, and efficient transport is not possible. .

また、これに関連して、ＦＰＤ用ガラス基板を梱包したときの荷姿の外形寸法を小さくする方法として、図８（ａ）に示すように、ＦＰＤ用ガラス基板５の表面を保護するスペーサとして、各ガラス基板５，５，…の間に薄いプラスチックフィルム９などを介在させて梱包する方法もあった。しかし、この場合には、ＦＰＤの製造ラインでガラス基板５を処理する工程において、同図（ｂ）に示すように、プラスチックフィルム９が貼り合わされたガラス基板５を一枚ずつ取り出し、同図（ｃ）に示すように、各ガラス基板５からプラスチックフィルム９を剥離する工程が必要であった。また、ＦＰＤ用ガラス基板５からプラスチックフィルム９を剥離するときに発生する静電気によって、同図（ｄ）に示すように、ガラス基板５の表面に小さなごみ１０が付着することがあり、その後の洗浄工程に多くの時間を要することがあった。さらに、プラスチックフィルム９を剥離した後にガラス基板５の表面に接着剤１１が残ることがあり、その場合には、上記接着剤１１を除去しなければならず、前処理工程がさらに煩雑となることがあった。さらにまた、同図（ｃ）において剥離されたプラスチックフィルム９は、産業廃棄物として処分しなければならならなかった。   In relation to this, as a method for reducing the outer dimensions of the package when the FPD glass substrate is packed, as a spacer for protecting the surface of the FPD glass substrate 5 as shown in FIG. There is also a method of packing by interposing a thin plastic film 9 or the like between the glass substrates 5, 5,. However, in this case, in the process of processing the glass substrate 5 in the FPD production line, as shown in FIG. 5B, the glass substrates 5 bonded with the plastic film 9 are taken out one by one, As shown to c), the process of peeling the plastic film 9 from each glass substrate 5 was required. Further, as shown in FIG. 4D, small dust 10 may adhere to the surface of the glass substrate 5 due to static electricity generated when the plastic film 9 is peeled from the glass substrate 5 for FPD. The process sometimes took a lot of time. Furthermore, the adhesive 11 may remain on the surface of the glass substrate 5 after the plastic film 9 is peeled off. In this case, the adhesive 11 must be removed, and the pretreatment process becomes more complicated. was there. Furthermore, the plastic film 9 peeled off in the same figure (c) had to be disposed of as industrial waste.

そこで、本発明は、このような問題点に対処し、ＦＰＤの製造に用いるガラス基板を水溶性フィルムで包装することによって、ＦＰＤの製造ラインにおけるガラス基板及び包装部材の処理を簡素化できると共に、搬送時の荷姿の外形寸法を小さくしてガラス基板を効率的に搬送可能とするＦＰＤ用ガラス基板の包装部材及びＦＰＤ用ガラス基板の搬送方法を提供することを目的とする。   Therefore, the present invention addresses such problems and wraps the glass substrate used for manufacturing the FPD with a water-soluble film, thereby simplifying the processing of the glass substrate and the packaging member in the FPD manufacturing line, It is an object of the present invention to provide a packaging member for an FPD glass substrate and a method for transporting the glass substrate for FPD, which can reduce the outer dimensions of the package during transportation and efficiently transport the glass substrate.

上記目的を達成するために、本発明によるＦＰＤ用ガラス基板の包装部材は、ＦＰＤの製造に用いるガラス基板を搬送するためにその片面又は両面を包装する包装部材であって、その材質を、水中で溶解する水溶性フィルムとしたものである。   In order to achieve the above object, a packaging member for an FPD glass substrate according to the present invention is a packaging member for packaging one or both sides of a glass substrate used for manufacturing an FPD. A water-soluble film that dissolves in

このような構成により、ＦＰＤ用ガラス基板を包装する包装部材を水中で溶解することができる。   With such a configuration, the packaging member for packaging the FPD glass substrate can be dissolved in water.

ここで、上記水溶性フィルムは、変性ポリビニルアルコールでできている。   Here, the water-soluble film is made of modified polyvinyl alcohol.

また、本発明によるＦＰＤ用ガラス基板の搬送方法は、ＦＰＤの製造に用いるガラス基板の片面又は両面に水中で溶解する水溶性フィルムをラミネートし、この水溶性フィルムがラミネートされたＦＰＤ用ガラス基板を搬送用の外箱内に重ねて収納し、この外箱に蓋を被せて梱包した状態で搬送するものである。   In addition, the FPD glass substrate transport method according to the present invention includes laminating a water-soluble film that dissolves in water on one or both sides of a glass substrate used for manufacturing an FPD, and the FPD glass substrate on which the water-soluble film is laminated. It is stored in a stack in a transport outer box, and transported in a state where the outer box is covered with a lid and packed.

このような方法の実施により、ＦＰＤ用ガラス基板の片面又は両面に水溶性フィルムがラミネートされ、この水溶性フィルムがラミネートされたＦＰＤ用ガラス基板が搬送用の外箱内に重ねて収納され、この外箱に蓋を被せて梱包した状態でガラス基板が搬送される。   By carrying out such a method, a water-soluble film is laminated on one or both sides of the glass substrate for FPD, and the glass substrate for FPD laminated with this water-soluble film is stacked and stored in an outer box for transportation. The glass substrate is conveyed in a state where the outer box is covered with a lid and packed.

さらに、上記搬送用の外箱及び蓋は、吸湿性の材質から成るものである。これにより、外気の湿気が外箱及び蓋で吸収される。   Furthermore, the outer box and the lid for transportation are made of a hygroscopic material. Thereby, moisture of outside air is absorbed by the outer box and the lid.

そして、上記搬送用の外箱及び蓋の両方又は一方の内側に、乾燥剤を備えたものである。これにより、外箱及び蓋内の湿気が乾燥剤で吸収される。   And the desiccant is provided in the inside or both of the said outer box and lid | cover for conveyance. Thereby, the moisture in the outer box and the lid is absorbed by the desiccant.

請求項１に係るＦＰＤ用ガラス基板の包装部材によれば、その材質が水中で溶解する水溶性フィルムであることにより、水中で溶解することができる。したがって、ＦＰＤ用ガラス基板を水溶性フィルムで包装することによって、ＦＰＤの製造ラインにおけるガラス基板及び包装部材の処理を簡素化できると共に、搬送時の荷姿の外形寸法を小さくしてガラス基板を効率的に搬送することができる。   According to the packaging member of the glass substrate for FPD which concerns on Claim 1, it can melt | dissolve in water because the material is a water-soluble film which melt | dissolves in water. Therefore, by packaging the glass substrate for FPD with a water-soluble film, the processing of the glass substrate and the packaging member in the FPD production line can be simplified, and the outer dimensions of the package during transport can be reduced to make the glass substrate more efficient. Can be conveyed.

ここで、請求項２に係る発明によれば、上記水溶性フィルムは、変性ポリビニルアルコールでできているので、使用する態様に応じて溶解温度や溶解速度を調節でき、任意の溶解条件を設定することができる。したがって、ＦＰＤの製造ラインにおけるガラス基板及び包装部材の処理を簡単に行うことができる。   Here, according to the invention of claim 2, since the water-soluble film is made of modified polyvinyl alcohol, the dissolution temperature and dissolution rate can be adjusted according to the mode to be used, and arbitrary dissolution conditions are set. be able to. Therefore, the processing of the glass substrate and the packaging member in the FPD production line can be easily performed.

また、請求項３に係るＦＰＤ用ガラス基板の搬送方法によれば、ＦＰＤ用ガラス基板の片面又は両面に水溶性フィルムがラミネートされ、この水溶性フィルムがラミネートされたＦＰＤ用ガラス基板が搬送用の外箱内に重ねて収納され、この外箱に蓋を被せて梱包した状態でガラス基板が搬送されるので、搬送時の荷姿の外形寸法を小さくしてガラス基板を効率的に搬送することができる。   According to the method for transporting an FPD glass substrate according to claim 3, a water-soluble film is laminated on one or both sides of the FPD glass substrate, and the FPD glass substrate on which the water-soluble film is laminated is used for transport. Since the glass substrate is transported in a state of being packed and stored in the outer box and covered with a lid on the outer box, the outer dimensions of the package at the time of transport must be reduced to efficiently transport the glass substrate. Can do.

さらに、請求項４に係る発明によれば、上記搬送用の外箱及び蓋は、吸湿性の材質から成ることにより、外気の湿気が外箱及び蓋で吸収されるので、搬送中における水溶性フィルムの溶解を防止することができる。したがって、搬送中にガラス基板同士が接触しない状態を保持し、該ガラス基板の表面を保護することができる。   Further, according to the invention according to claim 4, since the outer box and the lid for transport are made of a hygroscopic material, the moisture of the outside air is absorbed by the outer box and the lid. Dissolution of the film can be prevented. Therefore, the state where the glass substrates do not come into contact with each other during conveyance can be maintained, and the surface of the glass substrate can be protected.

そして、請求項５に係る発明によれば、上記搬送用の外箱及び蓋の両方又は一方の内側に、乾燥剤を備えたことにより、外箱及び蓋内の湿気が乾燥剤で吸収されるので、搬送中における水溶性フィルムの溶解を防止することができる。したがって、搬送中にガラス基板同士が接触しない状態を保持し、該ガラス基板の表面を保護することができる。   And according to the invention which concerns on Claim 5, the moisture in an outer case and a lid | cover is absorbed with a desiccant by having provided the desiccant in the inner side of both or one side of the said outer box and lid | cover for said conveyance. Therefore, dissolution of the water-soluble film during conveyance can be prevented. Therefore, the state where the glass substrates do not come into contact with each other during conveyance can be maintained, and the surface of the glass substrate can be protected.

以下、本発明の実施形態を添付図面に基づいて詳細に説明する。図１は、本発明によるＦＰＤ用ガラス基板の包装部材を用いて、複数枚のガラス基板５，５，…が搬送用の外箱１２及び蓋１３内に梱包された状態を示す一部断面した斜視図である。この包装部材１４は、ＦＰＤ用ガラス基板５の表面を保護する薄膜であって、部分拡大図Ｑに示すように、積み重ねられた上下のガラス基板５，５の間に介在している。これにより、図６に示す従来の搬送ボックス１を用いなくても、図１に示す搬送用の外箱１２及び蓋１３内に複数枚のガラス基板５を積み重ねて収納して搬送することができる。この搬送用の外箱１２及び蓋１３は、複数枚のガラス基板５，５，…を積み重ねた状態で収納できるものであればよいので、外箱１２及び蓋１３の外形寸法、特に荷姿の高さｈが大きくならないようにすることができる。そして、例えば幅１３００ｍｍ×高さ１５００ｍｍ、幅１５００ｍｍ×高さ１８００ｍｍ、幅１９００ｍｍ×高さ２１００ｍｍなどの大きなサイズのガラス基板５を搬送する場合であっても、外箱１２及び蓋１３を用いて梱包したときの荷姿の高さｈはほとんど変わらない。したがって、ガラス基板５を効率的に搬送することができる。   Embodiments of the present invention will be described below in detail with reference to the accompanying drawings. FIG. 1 is a partial cross-sectional view showing a state in which a plurality of glass substrates 5, 5,... Are packed in a transport outer box 12 and a lid 13 using a packaging member for an FPD glass substrate according to the present invention. It is a perspective view. The packaging member 14 is a thin film that protects the surface of the FPD glass substrate 5, and is interposed between the stacked upper and lower glass substrates 5, 5 as shown in the partial enlarged view Q. Thereby, even if it does not use the conventional conveyance box 1 shown in FIG. 6, the several glass substrate 5 can be stacked, accommodated, and conveyed in the outer box 12 and the lid | cover 13 for conveyance shown in FIG. . The outer box 12 and the lid 13 for transporting are only required to be able to be accommodated in a state where a plurality of glass substrates 5, 5,... Are stacked. The height h can be prevented from becoming large. For example, even when a large-sized glass substrate 5 having a width of 1300 mm × a height of 1500 mm, a width of 1500 mm × a height of 1800 mm, a width of 1900 mm × a height of 2100 mm, etc. is transported, it is packed using the outer box 12 and the lid 13. The height h of the package when it is done is almost unchanged. Therefore, the glass substrate 5 can be efficiently conveyed.

ここで、本発明においては、上記包装部材１４は、その材質が水中で溶解する水溶性フィルムでできている。この水溶性フィルム１４は、変性ポリビニルアルコールでできた薄膜であり、使用する態様に応じて溶解条件を調節することができる。すなわち、溶解速度は、水温やフィルムの膜厚、溶解方法によって異なり、任意の溶解条件を設定することができる。これにより、外箱１２及び蓋１３内に梱包されて搬送されたガラス基板５及び包装部材としての水溶性フィルム１４の処理を、ＦＰＤの製造ラインにおいて簡単に行うことができる。すなわち、図２（ａ）に示す複数枚のガラス基板５から、同図（ｂ）に示すように、水溶性フィルム１４が貼り合わされた状態のガラス基板５を一枚ずつ取り出す。次に、同図（ｃ）に示すように、このガラス基板５をそのまま水槽１５内に浸す。これにより、水溶性フィルム１４が水槽１５内で数十秒以内に溶解する。例えば、膜厚２０μｍの水溶性フィルム１４を２０℃の水の中に浸したときには、該水溶性フィルム１４を２０秒以内に溶解することができる。そして、同図（ｄ）に示すように、ガラス基板５のみを取り出して、次の処理工程に進むことができる。   Here, in the present invention, the packaging member 14 is made of a water-soluble film whose material is dissolved in water. This water-soluble film 14 is a thin film made of modified polyvinyl alcohol, and the dissolution conditions can be adjusted according to the mode of use. That is, the dissolution rate varies depending on the water temperature, film thickness, and dissolution method, and arbitrary dissolution conditions can be set. Thereby, processing of the glass substrate 5 and the water-soluble film 14 as a packaging member packed and conveyed in the outer box 12 and the lid 13 can be easily performed on the FPD production line. That is, from the plurality of glass substrates 5 shown in FIG. 2A, as shown in FIG. 2B, the glass substrates 5 on which the water-soluble film 14 is bonded are taken out one by one. Next, the glass substrate 5 is immersed in the water tank 15 as it is, as shown in FIG. Thereby, the water-soluble film 14 dissolves within the water tank 15 within several tens of seconds. For example, when the water-soluble film 14 having a thickness of 20 μm is immersed in water at 20 ° C., the water-soluble film 14 can be dissolved within 20 seconds. Then, as shown in FIG. 4D, only the glass substrate 5 can be taken out and proceed to the next processing step.

したがって、図８に示す従来のプラスチックフィルム９でガラス基板５を保護した場合とは異なり、スペーサの剥離工程が不要となるので、ガラス基板５の前処理及び水溶性フィルム１４の処理を簡素化することができる。また、水溶性フィルム１４は、親水性に優れているので、図８に示すプラスチックフィルム９とは異なり、ほとんど静電気を帯びることがない。したがって、ガラス基板５の表面に紙紛などのごみが付着し難く、ガラス基板５の前処理が煩雑になることもない。さらに、水溶性フィルム１４を溶解するための水槽１５のみを準備すればよく、またスペーサを剥離するための装置を省略できるので、設備投資のコストを削減できる。さらにまた、水溶性フィルム１４は、最終的には炭酸ガスと水とに分解するので、産業廃棄物の発生を抑制することができる。この水溶性フィルム１４には塩素などのハロゲン元素は含まれていないので、通常のプラスチックフィルムに比べ、廃棄の際の地球環境への負荷が少ない。以上に説明したような水溶性フィルムの具体例としては、日本合成化学工業社製の製品名：ハイセロン（登録商標）などが挙げられる。なお、この水溶性フィルム１４は、初期弾性率や引張強度、引張伸度などの機械的物性やヒートシール強度など、包装材料としての性質にも優れており、切断や熔断が簡単にできるため、ガラス基板５の表面へのラミネートを容易に行うことができる。   Therefore, unlike the case where the glass substrate 5 is protected with the conventional plastic film 9 shown in FIG. 8, the spacer peeling step is not required, and thus the pretreatment of the glass substrate 5 and the treatment of the water-soluble film 14 are simplified. be able to. Further, since the water-soluble film 14 is excellent in hydrophilicity, unlike the plastic film 9 shown in FIG. Therefore, dust such as paper dust does not easily adhere to the surface of the glass substrate 5, and pretreatment of the glass substrate 5 does not become complicated. Furthermore, it is only necessary to prepare a water tank 15 for dissolving the water-soluble film 14, and an apparatus for peeling the spacer can be omitted, so that the cost of capital investment can be reduced. Furthermore, since the water-soluble film 14 is finally decomposed into carbon dioxide gas and water, the generation of industrial waste can be suppressed. Since the water-soluble film 14 does not contain a halogen element such as chlorine, the burden on the global environment during disposal is less than that of a normal plastic film. As a specific example of the water-soluble film as described above, product name: Hi-Selon (registered trademark) manufactured by Nippon Synthetic Chemical Industry Co., Ltd. may be mentioned. The water-soluble film 14 has excellent properties as a packaging material, such as mechanical properties such as initial elastic modulus, tensile strength, tensile elongation, and heat seal strength, and can be easily cut and melted. Lamination on the surface of the glass substrate 5 can be easily performed.

次に、上記水溶性フィルム１４を用いて、複数枚のガラス基板５，５，…を搬送用の外箱１２及び蓋１３内に梱包して搬送する方法について、図３を参照して説明する。まず、図３（ａ）において、上記水溶性フィルム１４を芯材１６にロール状に巻き取っておき、その裏面にホットメルト型の接着剤が塗布されているとする。このホットメルト型の接着剤は、水分散性、水溶解性に優れたものがよく、例えば、特開平５−４３８５３号公報、特開２００２−１７３６５５号公報等に開示されたものが望ましい。このような水溶解性に優れた接着剤は、図２（ｃ）に示す水槽１５内で水溶性フィルムと共に溶解するので、同図（ｄ）に示すように、ガラス基板５上に残留することがない。したがって、ＦＰＤの製造ラインにおけるガラス基板５の前処理を簡素化できる。   Next, a method of packing and transporting a plurality of glass substrates 5, 5,... In the transport outer box 12 and the lid 13 using the water-soluble film 14 will be described with reference to FIG. . First, in FIG. 3A, it is assumed that the water-soluble film 14 is wound around the core material 16 in a roll shape, and a hot-melt adhesive is applied to the back surface thereof. This hot-melt adhesive is preferably excellent in water dispersibility and water solubility, and for example, those disclosed in JP-A-5-43853, JP-A-2002-173655, and the like are desirable. Such an adhesive having excellent water solubility dissolves together with the water-soluble film in the water tank 15 shown in FIG. 2 (c), and therefore remains on the glass substrate 5 as shown in FIG. 2 (d). There is no. Therefore, the pretreatment of the glass substrate 5 in the FPD production line can be simplified.

この状態で、図３（ａ）に示すロール状の水溶性フィルム１４を矢印Ａの方向に回転させ、該水溶性フィルム１４の先端部を矢印Ｂの方向に送ってＦＰＤ用ガラス基板５の上面に重ね合わせる。そして、これらの水溶性フィルム１４及びガラス基板５を、矢印Ｃ，Ｄの方向に回転する加熱ローラ１７，１８の間に挟みながら両者を加熱すると、水溶性フィルム１４の裏面に塗布された接着剤が溶融し、ガラス基板５の上面側に水溶性フィルム１４が接着される。そして、ガラス基板５の後端部で水溶性フィルム１４を切断することにより、同図（ｂ）に示すように、ガラス基板５の上面に水溶性フィルム１４がラミネートされる。   In this state, the roll-shaped water-soluble film 14 shown in FIG. 3A is rotated in the direction of the arrow A, and the tip of the water-soluble film 14 is sent in the direction of the arrow B, so that the upper surface of the glass substrate 5 for FPD To overlay. Then, when the water-soluble film 14 and the glass substrate 5 are sandwiched between heating rollers 17 and 18 that rotate in the directions of arrows C and D, and both are heated, the adhesive applied to the back surface of the water-soluble film 14 Is melted and the water-soluble film 14 is bonded to the upper surface side of the glass substrate 5. Then, by cutting the water-soluble film 14 at the rear end portion of the glass substrate 5, the water-soluble film 14 is laminated on the upper surface of the glass substrate 5, as shown in FIG.

次に、この水溶性フィルム１４がラミネートされた状態のＦＰＤ用ガラス基板５を、同図（ｃ）に示すように、搬送用の外箱１２内に重ねて収納する。そして、同図（ｄ）に示すように、ガラス基板１５が所定の枚数だけ重ねて収納されてから、外箱１２に蓋１３を被せて梱包すると、複数枚のガラス基板５が外箱１２及び蓋１３内に梱包され、図１に示す状態となる。そして、この梱包された状態のガラス基板５をある拠点から他の拠点に搬送する。   Next, the glass substrate 5 for FPD in which the water-soluble film 14 is laminated is stacked and stored in the outer packaging box 12 as shown in FIG. Then, as shown in FIG. 4D, when a predetermined number of glass substrates 15 are stacked and stored, and the outer box 12 is covered with a lid 13 and packed, the plurality of glass substrates 5 are separated from the outer box 12 and It is packed in the lid 13 and is in the state shown in FIG. Then, the packed glass substrate 5 is transported from one site to another site.

また、図１（ａ）及び図３（ｄ）に示す外箱１２や蓋１３は、例えばダンボール、発泡ポリプロピレン、木材などの吸湿性に優れた材質で形成されている。これにより、外気の湿気が外箱１２及び蓋１３で吸収されるので、搬送中における水溶性フィルム１４の溶解を防止することができる。したがって、搬送中にガラス基板５同士が接触しない状態を保持し、該ガラス基板５の表面を保護することができる。   Further, the outer box 12 and the lid 13 shown in FIGS. 1A and 3D are made of a material having excellent hygroscopicity such as cardboard, foamed polypropylene, and wood. Thereby, since the humidity of external air is absorbed with the outer box 12 and the lid | cover 13, melt | dissolution of the water-soluble film 14 during conveyance can be prevented. Therefore, the state which the glass substrates 5 do not contact during conveyance can be hold | maintained, and the surface of this glass substrate 5 can be protected.

さらに、図１の部分拡大図Ｑに示すように、上記外箱１２の内側面に、例えばシート状の乾燥剤１９を備えてもよい。これにより、外箱１２及び蓋１３内の湿気が乾燥剤１９で吸収されるので、搬送中における水溶性フィルム１４の溶解を防止することができる。したがって、搬送中にガラス基板５同士が接触しない状態を保持し、該ガラス基板５の表面を保護することができる。なお、乾燥剤は、外箱１２及び蓋１３内の湿気を吸収するものであれば、どのような形状のものでもよい。   Furthermore, as shown in the partial enlarged view Q of FIG. 1, for example, a sheet-like desiccant 19 may be provided on the inner surface of the outer box 12. Thereby, since the moisture in the outer box 12 and the lid 13 is absorbed by the desiccant 19, the dissolution of the water-soluble film 14 during transportation can be prevented. Therefore, the state which the glass substrates 5 do not contact during conveyance can be hold | maintained, and the surface of this glass substrate 5 can be protected. The desiccant may have any shape as long as it absorbs moisture in the outer box 12 and the lid 13.

なお、図２（ａ）及び図３（ａ）において、スペーサとしての水溶性フィルム１４をガラス基板５の上面側にラミネートすると説明したが、本発明はこれに限られず、図４に示すように、ガラス基板５の上面及び下面の両面に水溶性フィルム１４をラミネートしてもよい。また、図５に示すように、ガラス基板５の全体を水溶性フィルム１４で袋状に包み込むようにしてもよい。この場合には、ＦＰＤ用ガラス基板５の上下両面が保護される。このとき、荷姿の外形寸法の大きさは変わらないので、ガラス基板５を効率的に搬送することができる。また、ＦＰＤの製造ラインにおけるガラス基板５の処理を簡素化できる。   2A and 3A, it has been described that the water-soluble film 14 as a spacer is laminated on the upper surface side of the glass substrate 5. However, the present invention is not limited to this, as shown in FIG. The water-soluble film 14 may be laminated on both the upper and lower surfaces of the glass substrate 5. In addition, as shown in FIG. 5, the entire glass substrate 5 may be wrapped in a bag shape with a water-soluble film 14. In this case, the upper and lower surfaces of the FPD glass substrate 5 are protected. At this time, since the size of the outer dimensions of the package is not changed, the glass substrate 5 can be efficiently conveyed. Moreover, the process of the glass substrate 5 in the FPD production line can be simplified.

本発明によるＦＰＤ用ガラス基板の包装部材を用いて複数枚のガラス基板が外箱及び蓋内に梱包された状態を示す一部断面斜視図である。It is a partial cross section perspective view which shows the state where the several glass substrate was packed in the outer box and the lid | cover using the packaging member of the glass substrate for FPD by this invention. 図１に示す各ガラス基板をＦＰＤの製造ラインで処理する工程を示す説明図である。It is explanatory drawing which shows the process of processing each glass substrate shown in FIG. 1 with the manufacturing line of FPD. ＦＰＤ用ガラス基板の上面に水溶性フィルムを包装し外箱及び蓋内に梱包して搬送する工程を示す説明図である。It is explanatory drawing which shows the process of packaging a water-soluble film on the upper surface of the glass substrate for FPD, packing in an outer box and a lid | cover, and conveying. ＦＰＤ用ガラス基板の上面及び下面の両面に水溶性フィルムを包装する工程を示す説明図である。It is explanatory drawing which shows the process of packaging a water-soluble film on both the upper surface and lower surface of the glass substrate for FPD. ＦＰＤ用ガラス基板の全体が水溶性フィルムで袋状に包み込まれた状態を示す断面図である。It is sectional drawing which shows the state by which the whole glass substrate for FPD was wrapped in the bag shape with the water-soluble film. ＦＰＤ用ガラス基板を収納する従来の搬送ボックスの外観図である。It is an external view of the conventional conveyance box which accommodates the glass substrate for FPD. 図５に示す搬送ボックスの一部断面した平面図である。It is the top view which carried out the partial cross section of the conveyance box shown in FIG. 従来のプラスチックフィルムで包装されたガラス基板をＦＰＤ製造ラインで処理する工程を示す説明図である。It is explanatory drawing which shows the process of processing the glass substrate packaged with the conventional plastic film with an FPD manufacturing line.

符号の説明Explanation of symbols

５…ＦＰＤ用ガラス基板
１２…外箱
１３…水溶性フィルム
１４…蓋
１５…水槽
１６…芯材
１７，１８…加熱ローラ
１９…乾燥剤 DESCRIPTION OF SYMBOLS 5 ... Glass substrate for FPD 12 ... Outer box 13 ... Water-soluble film 14 ... Cover 15 ... Water tank 16 ... Core material 17, 18 ... Heating roller 19 ... Desiccant

Claims (5)

ＦＰＤの製造に用いるガラス基板を搬送するためにその片面又は両面を包装する包装部材であって、
その材質は、水中で溶解する水溶性フィルムであることを特徴とするＦＰＤ用ガラス基板の包装部材。 A packaging member for packaging one or both sides of a glass substrate used for manufacturing an FPD,
A packaging member for an FPD glass substrate, wherein the material is a water-soluble film that dissolves in water. 上記水溶性フィルムは、変性ポリビニルアルコールでできたことを特徴する請求項１記載のＦＰＤ用ガラス基板の包装部材。   The packaging member for an FPD glass substrate according to claim 1, wherein the water-soluble film is made of modified polyvinyl alcohol. ＦＰＤの製造に用いるガラス基板の片面又は両面に水中で溶解する水溶性フィルムをラミネートし、
この水溶性フィルムがラミネートされたＦＰＤ用ガラス基板を搬送用の外箱内に重ねて収納し、
この外箱に蓋を被せて梱包した状態で搬送することを特徴とするＦＰＤ用ガラス基板の搬送方法。 Laminating a water-soluble film that dissolves in water on one or both sides of a glass substrate used for FPD production,
The FPD glass substrate laminated with this water-soluble film is stored in an outer box for transportation,
A method for transporting an FPD glass substrate, comprising transporting the outer box in a state of being covered with a lid. 上記搬送用の外箱及び蓋は、吸湿性の材質から成ることを特徴とする請求項３記載のＦＰＤ用ガラス基板の搬送方法。   4. The method for transporting an FPD glass substrate according to claim 3, wherein the transport outer box and the lid are made of a hygroscopic material. 上記搬送用の外箱及び蓋の両方又は一方の内側に、乾燥剤を備えたことを特徴とする請求項３又は４記載のＦＰＤ用ガラス基板の搬送方法。   The method for transporting a glass substrate for FPD according to claim 3 or 4, wherein a desiccant is provided in both or one of the outer box and the lid for transport.
JP2003396107A 2003-11-26 2003-11-26 Packaging member for fpd glass substrate, and method of carrying the fpd glass substrate Pending JP2005153951A (en)

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JP2003396107A JP2005153951A (en) 2003-11-26 2003-11-26 Packaging member for fpd glass substrate, and method of carrying the fpd glass substrate
US10/976,745 US20050109651A1 (en) 2003-11-26 2004-10-29 Wrapping member for a glass substrate for FPD and a method of transferring a glass substrate for FPD
TW093136224A TW200530098A (en) 2003-11-26 2004-11-25 Wrapping member for a glass substrate for FPD and a method of transferring a glass substrate for FPD
KR1020040098221A KR20050050612A (en) 2003-11-26 2004-11-26 Wrapping member for a glass substrate for fpd and a method of transferring a glass substrate for fpd

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