JP4964730B2 - Degassing bag for laminated glazing - Google Patents

Degassing bag for laminated glazing Download PDF

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Publication number
JP4964730B2
JP4964730B2 JP2007260595A JP2007260595A JP4964730B2 JP 4964730 B2 JP4964730 B2 JP 4964730B2 JP 2007260595 A JP2007260595 A JP 2007260595A JP 2007260595 A JP2007260595 A JP 2007260595A JP 4964730 B2 JP4964730 B2 JP 4964730B2
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bag
flexible bag
suspended
support
suspended flexible
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JP2008094714A (en
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ダビツド・プチ
ジヤン−エドウアール・ドウ・サラン
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Saint Gobain Glass France SAS
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Saint Gobain Glass France SAS
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
    • B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
    • B32B17/10—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin
    • B32B17/10005—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing
    • B32B17/10807—Making laminated safety glass or glazing; Apparatus therefor
    • B32B17/10816—Making laminated safety glass or glazing; Apparatus therefor by pressing
    • B32B17/10825—Isostatic pressing, i.e. using non rigid pressure-exerting members against rigid parts
    • B32B17/10834—Isostatic pressing, i.e. using non rigid pressure-exerting members against rigid parts using a fluid
    • B32B17/10844—Isostatic pressing, i.e. using non rigid pressure-exerting members against rigid parts using a fluid using a membrane between the layered product and the fluid
    • B32B17/10853—Isostatic pressing, i.e. using non rigid pressure-exerting members against rigid parts using a fluid using a membrane between the layered product and the fluid the membrane being bag-shaped
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C27/00—Joining pieces of glass to pieces of other inorganic material; Joining glass to glass other than by fusing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
    • B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/10—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60J—WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES
    • B60J1/00—Windows; Windscreens; Accessories therefor
    • B60J1/02—Windows; Windscreens; Accessories therefor arranged at the vehicle front, e.g. structure of the glazing, mounting of the glazing
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C27/00—Joining pieces of glass to pieces of other inorganic material; Joining glass to glass other than by fusing
    • C03C27/06—Joining glass to glass by processes other than fusing
    • C03C27/10—Joining glass to glass by processes other than fusing with the aid of adhesive specially adapted for that purpose

Description

本発明は積層複合体、詳細には、輸送車両などの窓スクリーンとして用いられる積層グレージングなどの透明窓ガラスの製造に関する。   The present invention relates to the production of laminated composites, and in particular transparent glass panes such as laminated glazing used as window screens for transportation vehicles and the like.

この製造は少なくとも２枚のガラスシートとポリビニルブチラール（ＰＶＢ）型中間層接着剤の組み立てを含む。   This production involves the assembly of at least two glass sheets and a polyvinyl butyral (PVB) type interlayer adhesive.

ガラスシートを互いに接合する様々な技術が存在する。   There are various techniques for joining glass sheets together.

その中の１つは、２枚のガラスシートと中間層に２０℃〜１２０℃の温度、特に約１００℃の加熱および大気圧を下回る圧力サイクルを与えることからなる。後者を与える目的はしわを有するＰＶＢを脱気して、最終製品の透明度品質を損なうであろう捕捉されているあらゆる気泡を除去することである。この技術、これらの作業は、ホースに接続されてそれを経由して減圧が形成されるゴムなどから作られた可撓性バッグ中で行われる。無論、可撓性バッグの構成材料はバッグの気密封止を確実にすることができる。   One of them consists of subjecting the two glass sheets and the intermediate layer to a temperature between 20 ° C. and 120 ° C., in particular about 100 ° C. heating and a pressure cycle below atmospheric pressure. The purpose of providing the latter is to degas the wrinkled PVB to remove any trapped air bubbles that would impair the transparency quality of the final product. This technique, these operations, are performed in a flexible bag made of rubber or the like that is connected to a hose and through which reduced pressure is formed. Of course, the construction material of the flexible bag can ensure hermetic sealing of the bag.

バッグはその下部分に通常例えば縦軸に沿って湾曲した２枚のガラスシートと中間層を包含するための２つの主要プリーツを有する。   The bag has two main pleats in its lower part, typically containing two glass sheets curved along the longitudinal axis and an intermediate layer.

バッグのこの下部分は閉じることができ、積層体の構成要素を導入するために開口部が必然的にバッグの上部分に設けられる。したがって、無論、２つのプリーツはこの導入の目的のために互いに分離することができる。   This lower part of the bag can be closed and an opening is necessarily provided in the upper part of the bag to introduce the components of the laminate. Thus, of course, the two pleats can be separated from each other for the purpose of this introduction.

動作モード中、２つのプリーツはバッグの上部分で連続し、例えば円筒状金属支持体によって持ち上げられる。バッグの下部分はそれ自体の重量と積層体の構成要素の重量で引っ張られる。したがってバッグは気密封止される。   During the operating mode, the two pleats are continuous in the upper part of the bag and are lifted, for example, by a cylindrical metal support. The lower part of the bag is pulled by its own weight and the weight of the laminate components. The bag is therefore hermetically sealed.

例えば、垂直軸に沿ってガラスシートおよび支持体の直線幾何形状に温度が加わる際に、それらの間の距離およびガラスシートの上端部との距離は、バッグの変形がバッグの高さ全体に十分分配されるように、十分でなければならない。   For example, when temperature is applied to the linear geometry of the glass sheet and support along the vertical axis, the distance between them and the distance from the top edge of the glass sheet is such that the deformation of the bag is sufficient for the entire height of the bag. It must be sufficient to be distributed.

さらに、バッグの２つのプリーツは支持体に接触する領域を補強する必要がある。   Furthermore, the two pleats of the bag need to reinforce the area in contact with the support.

本方法は、例えば０．６ミリバール程度の少しの漏れが残り、作業サイクルが長くなる欠点を有する。   This method has the disadvantage that a small leak, for example of the order of 0.6 mbar, remains and the working cycle becomes longer.

この目的のために、本発明の主題は、その下部分に、積層体の構成要素、特に２つの硬質シートとその接着剤中間層を気密封止し、それらを２０℃〜１２０℃の加熱サイクルおよび環境圧力を下回る圧力を加えるために懸垂された可撓性バッグであり、バッグは吸引ホースに接続され、バッグはその積層体の構成要素を収容する領域の上部にクランプ手段が設けられることを特徴とする。   For this purpose, the subject of the present invention is to hermetically seal the components of the laminate, in particular the two hard sheets and the adhesive intermediate layer, in the lower part, and heat them between 20 ° C. and 120 ° C. And a flexible bag suspended to apply a pressure below ambient pressure, the bag being connected to a suction hose, the bag being provided with clamping means on top of the area containing the components of the laminate. Features.

したがって、０．６ミリバール〜０ミリバールの残余の漏れが除かれる。   Thus, residual leakage of 0.6 mbar to 0 mbar is eliminated.

さらに、第１の変形例によれば、クランプ手段は、バッグの上部分を上昇させる支持体を省きながら気密封止の達成を可能にする（作業中、懸垂された可撓性バッグの上部分は支持体によって上昇しない）。   Furthermore, according to a first variant, the clamping means makes it possible to achieve a hermetic seal while omitting the support that raises the upper part of the bag (the upper part of the flexible bag suspended during operation). Does not rise by the support).

したがって、その支持体に接触する領域はもはや存在せず、追加のバッグ材料の節約になる（この接触領域のバッグのプリーツが省かれる）。バッグの耐久性は向上し、その装置全体の保守が容易になる。   Thus, there is no longer any area in contact with the support, saving additional bag material (bag pleats in this contact area are omitted). The durability of the bag is improved and maintenance of the entire device is facilitated.

装置に必要なサイズおよび空間が少なくなる。   Less size and space is required for the device.

第２の変形例において、懸垂された可撓性バッグの上部分は支持体によって上昇する。残余の漏れを排除する利点は保たれる。   In the second variant, the upper part of the suspended flexible bag is raised by the support. The advantage of eliminating residual leakage is retained.

この変形例において、支持体、特に円筒状支持体は、積層体の構成要素の重量下でバッグのプリーツに順応するように、シリコンまたはＥＰＤＭ（エチレンプロピレンジエンモノマー）などの変形可能な材料から作られることが有利である。これは残余の漏れも制限する。   In this variant, the support, in particular the cylindrical support, is made from a deformable material such as silicon or EPDM (ethylene propylene diene monomer) so as to adapt to the pleats of the bag under the weight of the laminate components. It is advantageous that This also limits residual leakage.

本発明の他の特徴によれば、
クランプ手段は少なくとも１個の永久磁石を含み、
クランプ手段は電気回路を閉じることによって起動することのできる少なくとも１個の電磁石を含み、
磁石にはバッグの他の側に配置された他の磁石が付属し、
磁石にはバッグの他の側に配置された金属要素が付属する。 According to another aspect of the invention,
The clamping means comprises at least one permanent magnet;
The clamping means comprises at least one electromagnet which can be activated by closing the electrical circuit;
The magnet comes with other magnets located on the other side of the bag,
The magnet is accompanied by a metal element located on the other side of the bag.

また、本発明の主題は、
上述の懸垂された可撓性バッグを用いて、２枚のガラスシート間の接着剤中間層を脱気する方法であり、
この方法を、湾曲したガラスシートからなる透明な車両窓スクリーンの製造に応用することである。 The subject of the present invention is
A method of degassing an adhesive intermediate layer between two glass sheets using the above-described suspended flexible bag,
This method is applied to the production of a transparent vehicle window screen made of a curved glass sheet.

本発明は添付図面を参照することによってより明瞭に理解されるであろう。   The invention will be more clearly understood with reference to the accompanying drawings.

図１に示された装置は内部プリーツ１と外部プリーツ２から形成されたゴムバッグを含む。   The apparatus shown in FIG. 1 includes a rubber bag formed from an inner pleat 1 and an outer pleat 2.

バッグの下部分は気密封止され、窓スクリーン１０を作る２枚のガラスシートとそのＰＶＢ接着剤中間層を包含する。   The lower part of the bag is hermetically sealed and includes the two glass sheets that make up the window screen 10 and its PVB adhesive interlayer.

装置は、内部プリーツ１を固定し、外部プリーツ２を取り外し可能に固定するための手段３、および窓スクリーン１０の重量下で変形することのできるＥＰＤＭから作られた円筒状支持体４を含む。   The apparatus comprises means 3 for releasably securing the inner pleat 1 and the outer pleat 2 and a cylindrical support 4 made of EPDM which can be deformed under the weight of the window screen 10.

支持体４は、２つのプリーツ１、２を互いに押圧することによって、窓スクリーン１０の重量下の気密性を確実にするため、バッグ１、２の上部分を上昇させる。   The support 4 raises the upper parts of the bags 1 and 2 in order to ensure airtightness under the weight of the window screen 10 by pressing the two pleats 1 and 2 together.

装置は、対の４０×２０×５ｍｍの大きさのネオジミウム−鉄−ボロン磁石からなるクランプ手段（図示せず）のための領域５をさらに含む。   The apparatus further includes a region 5 for clamping means (not shown) consisting of a pair of 40 × 20 × 5 mm sized neodymium-iron-boron magnets.

上述のように、手段３による外部プリーツ２の固定は、バッグの頂部に開口部を露出してその中に窓スクリーンを導入するために、取り外し可能である。   As mentioned above, the fixing of the external pleat 2 by means 3 is removable in order to expose the opening at the top of the bag and introduce a window screen therein.

本発明のバッグは、自動車用グレージング産業において使用が増えているパノラマ状グレージングのサイズ増加に適合可能な大きなサイズとすることができる。これらの寸法は２ｍ×２ｍ〜３ｍ×３ｍに達することができる。   The bag of the present invention can be of a large size that can accommodate the increased size of panoramic glazing that is increasingly used in the automotive glazing industry. These dimensions can reach 2m x 2m to 3m x 3m.

図２に示した装置は支持体４が存在しない点で図１と異なる。   The apparatus shown in FIG. 2 differs from FIG. 1 in that the support 4 is not present.

本発明の第２変形例の断面図である。It is sectional drawing of the 2nd modification of this invention. 本発明の第１変形例の前面図である。It is a front view of the 1st modification of this invention.

符号の説明Explanation of symbols

１ 内部プリーツ
２ 外部プリーツ
３ 固定手段
４ 支持体
５ クランプ手段
１０ 積層体 DESCRIPTION OF SYMBOLS 1 Internal pleat 2 External pleat 3 Fixing means 4 Support body 5 Clamp means 10 Laminated body

Claims (12)

下部分に、積層体（１０）の構成要素を気密封止して、それらに２０℃〜１２０℃の加熱サイクルおよび大気圧を下回る圧力を加えるための、懸垂される可撓性バッグ（１、２）であって、バッグ（１、２）が吸引ホースに接続されるようになっており、バッグ（１、２）には、その積層体の構成要素を収容する領域の上部にクランプ手段（５）が設けられることを特徴とする、懸垂された可撓性バッグ。 The lower portion, the configuration elements of the stack (10) hermetically sealed, for applying a pressure below the heating cycle and atmospheric pressure thereof to 20 ° C. to 120 ° C., suspended by Ru flexible bag (1 , 2) comprising, and bags (1, 2) is turned so that connected to a suction hose, the bag (1, 2), clamping means at the top of the area housing the components of the stack A suspended flexible bag, characterized in that (5) is provided. バッグ（１、２）の上部分は、支持体と接触する領域を有しておらず、使用時、支持体によって上昇されるようにはなっていないことを特徴とする、請求項１に記載の懸垂された可撓性バッグ（１、２）。 Upper portion of the bag (1, 2) does not have a region in contact with the support, characterized in that when using, not in a so that is raised by the support, according to claim 1 Suspended flexible bag (1, 2). バッグ（１、２）の上部分は、支持体（４）と接触する領域を有しており、使用時、支持体（４）によって上昇されるようになっていることを特徴とする、請求項１に記載の懸垂された可撓性バッグ（１、２）。 Upper part of the bag (1, 2) has a region in contact support (4), characterized in that is adapted to be raised by the use, the support (4), wherein Item 2. The suspended flexible bag (1, 2) according to item 1. 支持体（４）が、積層体（１０）の構成要素の重量下でバッグ（１、２）の折り返された２つの面に順応するように変形可能な材料から作られることを特徴とする、請求項３に記載の懸垂された可撓性バッグ（１、２）。 The support (4) is made of a material that can be deformed to conform to the two folded surfaces of the bag (1, 2) under the weight of the components of the laminate (10), Suspended flexible bag (1, 2) according to claim 3. クランプ手段（５）が少なくとも１個の永久磁石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懸垂された可撓性バッグ（１、２）。   Suspended flexible bag (1, 2) according to any one of claims 1 to 4, characterized in that the clamping means (5) comprise at least one permanent magnet. クランプ手段（５）が、電気回路を閉じることによって起動することのできる少なくとも１個の電磁石を含むことを特徴とする、請求項１から５のいずれか一項に記載の懸垂された可撓性バッグ（１、２）。   6. Suspended flexibility according to any one of claims 1 to 5, characterized in that the clamping means (5) comprise at least one electromagnet that can be activated by closing an electrical circuit. Bag (1, 2). 前記磁石に、バッグ（１、２）の他の側に配置された他の磁石が結合されることを特徴とする、請求項５または６に記載の懸垂された可撓性バッグ（１、２）。 The suspended flexible bag (1, 2) according to claim 5 or 6, characterized in that the magnet is coupled with another magnet arranged on the other side of the bag (1, 2). ). 前記磁石に、バッグ（１、２）の他の側に配置された金属要素が結合されることを特徴とする、請求項５または６に記載の懸垂された可撓性バッグ（１、２）。 Suspended flexible bag (1, 2) according to claim 5 or 6, characterized in that the magnet is coupled to a metal element arranged on the other side of the bag (1, 2). . 積層体（１０）の構成要素が、２つの硬質シートおよびその接着剤中間層であることを特徴とする、請求項１から８のいずれか一項に記載の懸垂された可撓性バッグ（１、２）。9. Suspended flexible bag (1) according to any one of the preceding claims, characterized in that the component of the laminate (10) is two hard sheets and an adhesive intermediate layer thereof. 2). クランプ手段（５）は、バッグ（１、２）の頂部に開口部を露出してその中に積層体（１０）の構成要素を導入するための手段（３）とは別個に独立して設けられたものであることを特徴とする、請求項１から９のいずれか一項に記載の懸垂された可撓性バッグ（１、２）。The clamping means (5) is provided separately from the means (3) for exposing the opening at the top of the bag (1,2) and introducing the components of the laminate (10) therein A suspended flexible bag (1, 2) according to any one of the preceding claims, characterized in that 請求項１に記載の懸垂された可撓性バッグ（１、２）を用いて、２枚のガラスシート間の接着剤中間層を脱気する、方法。   A method of degassing an adhesive interlayer between two glass sheets using the suspended flexible bag (1, 2) according to claim 1. 請求項１１に記載の方法の、湾曲したガラスシートからなる透明な車両窓スクリーンの製造への適用。 Application of the method according to claim 11 to the production of transparent vehicle window screens made of curved glass sheets.
JP2007260595A 2006-10-05 2007-10-04 Degassing bag for laminated glazing Expired - Fee Related JP4964730B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0654099A FR2906754B1 (en) 2006-10-05 2006-10-05 DEGASSING POCKET FOR LAMINATED GLAZING.
FR0654099 2006-10-05

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JP2008094714A JP2008094714A (en) 2008-04-24
JP4964730B2 true JP4964730B2 (en) 2012-07-04

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KR (1) KR101368944B1 (en)
CN (1) CN101234856A (en)
BE (1) BE1017803A3 (en)
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JP2018203593A (en) * 2017-06-08 2018-12-27 東洋ゴム工業株式会社 Molding bag for glass laminate
JP6789179B2 (en) * 2017-06-08 2020-11-25 Ｔｏｙｏ Ｔｉｒｅ株式会社 Opening structure of molded bag for laminated glass

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BE1017803A3 (en) 2009-07-07
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ES2333928A1 (en) 2010-03-02
CN101234856A (en) 2008-08-06
FR2906754A1 (en) 2008-04-11
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JP2008094714A (en) 2008-04-24
FR2906754B1 (en) 2008-11-28

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