JPH0745334B2 - Laminated glass manufacturing method - Google Patents
Laminated glass manufacturing methodInfo
- Publication number
- JPH0745334B2 JPH0745334B2 JP27155588A JP27155588A JPH0745334B2 JP H0745334 B2 JPH0745334 B2 JP H0745334B2 JP 27155588 A JP27155588 A JP 27155588A JP 27155588 A JP27155588 A JP 27155588A JP H0745334 B2 JPH0745334 B2 JP H0745334B2
- Authority
- JP
- Japan
- Prior art keywords
- glass
- laminated glass
- glass plates
- laminated
- shape
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired - Fee Related
Links
Classifications
-
- 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
Landscapes
- Joining Of Glass To Other Materials (AREA)
Description
【発明の詳細な説明】 〔産業上の利用分野〕 本発明は、合わせガラスの製造方法に関する。TECHNICAL FIELD The present invention relates to a method for producing laminated glass.
安全ガラスとして車両用、建築用に使用されている合わ
せガラスは、図４に示すごとく、２枚のガラス板１及び
２を柔軟なプラスチック接着剤層３を介して接着してな
るものである。この合わせガラスは、従来、２枚のガラ
ス板１及び２を可塑化したポリビニルブチラール等のプ
ラスチック接着剤層３を介して常温で重ね合わせた後、
オートクレーブに入れて加熱しながら高圧を加え、接着
剤層とガラス板との間に残留した気泡を除去するととも
に均一に強固に接着させる方法によって製造されてい
る。As shown in FIG. 4, laminated glass used as a safety glass for vehicles and constructions is formed by bonding two glass plates 1 and 2 via a flexible plastic adhesive layer 3. This laminated glass has conventionally been laminated at room temperature through a plastic adhesive layer 3 such as polyvinyl butyral which is a plasticized two glass plates 1 and 2 at room temperature.
It is manufactured by a method of putting it in an autoclave and applying high pressure while heating to remove bubbles remaining between the adhesive layer and the glass plate and to firmly and uniformly bond them.
しかし、上記従来の方法は、オークトレーブを用いてバ
ッチ方式で加熱加圧工程を行うため、生産が間けつ的と
なり、合わせガラスを連続的に大量生産するには適して
いない方法であった。However, the above-mentioned conventional method is a method which is not suitable for continuous mass production of laminated glass because the heating and pressurizing step is carried out in a batch method using an oak tray and the production is intermittent.
そこで本発明の目的は、連続的に合わせガラスを製造で
き、大量生産に好適な合わせガラスの製造方法を提供す
ることにある。Therefore, an object of the present invention is to provide a method for producing laminated glass, which is capable of continuously producing laminated glass and is suitable for mass production.
本発明は、上記課題を解決するものとして、 ２枚のガラス板を接着剤層を介して重ね合わせ、加熱時
に該重ね合わせたガラス板に圧力が加わる形状に変形す
るように形状記憶合金からなる加圧部材を配置し、加熱
することからなる合わせガラスの製造方法を提供するも
のである。MEANS TO SOLVE THE PROBLEM This invention consists of a shape memory alloy so that two glass plates may be laminated via an adhesive layer and deformed into a shape in which pressure is applied to the laminated glass plates when heated. The present invention provides a method for producing a laminated glass, which comprises arranging a pressing member and heating the laminated glass.
本発明の合わせガラスの製造方法において用いられるガ
ラス板及び接着剤は、従来の合わせガラスの製造に使用
されているものでよく、特に限定されず、例えば、ガラ
ス板としては、ソーダガラス、ケイ酸ガラス、カリ石灰
ガラス、鉛ガラス、バリウムガラス、ホウケイ酸ガラス
等及びこれらの焼入強化ガラスが挙げられ、接着剤層に
用いられる接着剤としては、可塑化ポリビニルブチラー
ル（PVB）樹脂、可塑化軟化ポリ塩化ビニル等が挙げら
れる。また、ガラス板の厚さ等は、用途に応じて選ば
れ、特に限定されず、従来使用されているものと同じで
もよい。The glass plate and the adhesive used in the method for producing a laminated glass of the present invention may be those used in the production of conventional laminated glass, and are not particularly limited. For example, as the glass plate, soda glass, silicic acid Examples include glass, potash lime glass, lead glass, barium glass, borosilicate glass and the like, and tempered and tempered glass thereof. Adhesives used for the adhesive layer include plasticized polyvinyl butyral (PVB) resin and plasticized softening. Examples thereof include polyvinyl chloride. The thickness of the glass plate is selected according to the application and is not particularly limited, and may be the same as that conventionally used.
本発明の方法において加圧部材に用いられる形状記憶合
金は、例えば、Ti−Ni系、Fe−Pd系、Cu−Al−Ni系、Cu
−Zn−Ｘ（X:Si,Sn,Al,Ga）系、Ni−Al系のもの等が挙
げられる。この形状記憶合金からなる加圧部材は、加熱
炉における加熱温度において該重ね合わせたガラス板を
全面にわたって均等に加圧するように、一定の形状が常
法により記憶され、かつガラス板に対して所定の位置に
配置されている。The shape memory alloy used for the pressing member in the method of the present invention is, for example, Ti-Ni-based, Fe-Pd-based, Cu-Al-Ni-based, Cu.
Examples include -Zn-X (X: Si, Sn, Al, Ga) -based and Ni-Al-based materials. The pressing member made of this shape memory alloy has a certain shape memorized by a conventional method so that the laminated glass plates are uniformly pressed over the entire surface at a heating temperature in a heating furnace, and a predetermined shape is applied to the glass plates. It is located in the position.
重ね合わされたガラス板に対し、加熱時に加圧部材が意
図されたとおりに作用するためには、例えば、重ね合わ
されたガラス板と加圧部材とをそれぞれ所定位置に適当
な支持手段で支持する必要がある。例えば、図１に示す
実施例では、これらの支持を支持枠８内に支持するとと
もに、さらに重ね合わされたガラス板５及び６を加圧部
材10に対し背面から支持する支持体９によって行ってい
る。支持体９はガラス板５及び６に対応した形状であ
る。これらの支持部材の材質、形状等は、従来の合わせ
ガラスの製造方法に用いられているものと同様でよく、
通常、アルミ合金などで所定の強度、耐熱性を有するよ
うに作製される。In order for the pressure member to act on the laminated glass plates as intended during heating, for example, it is necessary to support the laminated glass plate and the pressure member at predetermined positions with appropriate supporting means. There is. For example, in the embodiment shown in FIG. 1, the support is provided in the support frame 8 and the support 9 supports the stacked glass plates 5 and 6 from the back side to the pressing member 10. . The support 9 has a shape corresponding to the glass plates 5 and 6. The material, shape, etc. of these supporting members may be the same as those used in conventional methods for producing laminated glass,
Usually, it is made of aluminum alloy or the like so as to have predetermined strength and heat resistance.
本発明の方法においては、まず図１に示すように、２枚
のガラス板５及び６を接着剤層７を介して重ね合わせ
る。接着剤層７は、可塑剤等により適当な可塑度に調整
した接着剤を１枚のガラス板の片面に、例えば、0.3〜
0.8mmの厚さの可塑化PVBシートを積層し、この上にもう
１枚のガラス板を重ね合わせて形成すればよい。接着剤
の可塑度を調整するための可塑剤は、接着剤として用い
る樹脂に応じて選択され、当業者には自明である。In the method of the present invention, first, as shown in FIG. 1, two glass plates 5 and 6 are superposed with an adhesive layer 7 therebetween. The adhesive layer 7 has an adhesive agent adjusted to an appropriate degree of plasticity by a plasticizer or the like on one surface of one glass plate, for example, 0.3 to
A 0.8 mm thick plasticized PVB sheet may be laminated, and another glass plate may be superposed on this. The plasticizer for adjusting the plasticity of the adhesive is selected according to the resin used as the adhesive and is obvious to those skilled in the art.
次に、図２に示すように、この接着剤層７を介して重ね
合わされたガラス板５及び６を、支持枠８に取り付け、
片面が支持体９に接するように配置する。またこの支持
枠８には、予め又はガラス板５及び６を取り付けた後
に、加圧部材10が配置される。このとき、加圧部材10の
形状記憶合金は加熱されていないため形状記憶処理によ
って記憶した形状に変形しておらず、重ね合わされたガ
ラス板５及び６の支持枠８への取り付けを妨げることが
なく、ガラス板の取り付けを容易に行うことができ、取
付作業においてガラス板を破損することなどがない。Next, as shown in FIG. 2, the glass plates 5 and 6 superposed on each other via the adhesive layer 7 are attached to the support frame 8,
It is arranged so that one surface contacts the support 9. A pressure member 10 is arranged on the support frame 8 in advance or after the glass plates 5 and 6 are attached. At this time, since the shape memory alloy of the pressing member 10 is not heated, the shape memory alloy has not been deformed to the shape memorized by the shape memory process, which may prevent the stacked glass plates 5 and 6 from being attached to the support frame 8. Therefore, the glass plate can be easily attached, and the glass plate is not damaged during the attaching work.
また、加圧部材10がガラス板と接触する面及び支持体９
がガラス板と接触する面には、ガラス板との接触におけ
る損傷を防止するために、NBR、シリコーンゴム、SBR、
フッ素系ゴム等からなる緩衝材層11を設けてもよい。In addition, the surface of the pressing member 10 in contact with the glass plate and the support 9
On the surface that comes into contact with the glass plate, NBR, silicone rubber, SBR, to prevent damage in contact with the glass plate,
A cushioning material layer 11 made of fluorine rubber or the like may be provided.
次に、このように重ね合わされたガラス板５及び６、並
びに加圧部材10を配置した支持枠８を加熱炉（図示せ
ず）に挿入して、例えば、Ni−Al系の形状記憶合金の場
合、140℃に加熱し、図３に示すように加圧部材10の形
状記憶合金を予め記憶させておいた形状に変形させる。
これにより、ガラス板を、例えば、１〜20kg/cm2程度の
圧力で全面にわたって加圧して、ガラス板５及び６と接
着剤層７の間隙に残留している気泡を除去し、また２枚
のガラス板５と６の接着を強固なものとすることができ
る。加熱加圧の時間は、通常、１〜60分程度でよい。Next, the glass plates 5 and 6 thus laminated and the support frame 8 on which the pressing member 10 is arranged are inserted into a heating furnace (not shown), and, for example, a Ni-Al-based shape memory alloy is used. In this case, it is heated to 140 ° C., and the shape memory alloy of the pressing member 10 is deformed into a previously stored shape as shown in FIG.
As a result, the glass plate is pressed over the entire surface with a pressure of, for example, about 1 to 20 kg / cm 2 to remove bubbles remaining in the gap between the glass plates 5 and 6 and the adhesive layer 7, The adhesion between the glass plates 5 and 6 can be made strong. The heating and pressurizing time is usually about 1 to 60 minutes.
加熱加圧して２枚のガラス板を十分に接着させた後、加
熱炉より取り出して徐冷し支持枠８から取り外して、図
４に示す構造の合わせガラスを得ることができる。この
とき、加圧部材10の形状記憶合金は、冷却されて図１に
示す加熱前の形状に戻るため、得られた合わせガラスを
容易に支持枠８から取り外すことができる。After heating and pressurizing to adhere the two glass plates to each other sufficiently, the two glass plates are taken out from the heating furnace, gradually cooled, and removed from the support frame 8 to obtain a laminated glass having a structure shown in FIG. At this time, the shape memory alloy of the pressing member 10 is cooled and returns to the shape before heating shown in FIG. 1, so that the obtained laminated glass can be easily removed from the support frame 8.
以下、実施例及び比較例を挙げて本発明を詳細に説明す
る。Hereinafter, the present invention will be described in detail with reference to Examples and Comparative Examples.
実施例、比較例 図２、図３に説明の方法で、以下のようにして合わせガ
ラスを製造した。Example, Comparative Example A laminated glass was manufactured as follows by the method described in FIGS. 2 and 3.
厚さ3mmのガラス板２枚５、６を、ポリビニルブチラー
ル樹脂100重量部に可塑剤〔トリエチレングリコールジ
（２−エチルブチレート）〕45重量部を添加して可塑化
してなる厚さ0.75mmの粘着性シート７を挟んで接着し、
予め加熱後の形状記憶処理を施されたTi−Ni系の形状記
憶合金からなる加圧部材10を配置し、片面に緩衝材層11
aを有する支持体９を備えたアルミ合金製の支持枠８に
取り付けた。このとき、加圧部材10は、100℃以上に加
熱されたときに予め記憶された図３に示す形状に変形し
ガラス板を全面にわたって均一に加圧するように配置さ
れ、ガラス板と接する面に緩衝材（フッ素系ゴム）層11
bが取り付けられている。0.75 mm thickness obtained by plasticizing two glass plates 5 and 6 having a thickness of 3 mm by adding 45 parts by weight of a plasticizer [triethylene glycol di (2-ethylbutyrate)] to 100 parts by weight of polyvinyl butyral resin. Adhere by sandwiching the adhesive sheet 7 of
A pressure member 10 made of a Ti-Ni-based shape memory alloy that has been subjected to shape memory treatment after heating in advance is arranged, and a cushioning material layer 11 is provided on one surface.
It was attached to a support frame 8 made of an aluminum alloy with a support 9 having a. At this time, the pressing member 10 is arranged so as to be deformed into the shape shown in FIG. 3 which is stored in advance when heated to 100 ° C. or more and uniformly press the glass plate over the entire surface. Buffer material (fluorine rubber) layer 11
b is installed.
このガラス板５、６及び加圧部材10が配置された支持枠
８を、加熱炉に入れ130℃で10分間加熱し、加圧部材10
を予め記憶させた形状に変形させ、ガラス板に約10kg/c
m2の圧力をかけた。The supporting frame 8 on which the glass plates 5 and 6 and the pressure member 10 are arranged is placed in a heating furnace and heated at 130 ° C. for 10 minutes to press the pressure member 10
To a shape that was previously memorized, and approximately 10 kg / c on the glass plate
A pressure of m 2 was applied.
加熱加圧処理後、支持枠８を加熱炉から取り出して徐冷
し、形状記憶合金を加熱前の形状に復元させた後、得ら
れた合わせガラスを支持枠８から取り外した。After the heat and pressure treatment, the supporting frame 8 was taken out from the heating furnace and gradually cooled to restore the shape memory alloy to the shape before heating, and then the obtained laminated glass was removed from the supporting frame 8.
得られた合わせガラスは、２枚のガラス板と接着剤層と
の間に気泡が認められず、強固で均一に接着されてい
た。In the obtained laminated glass, no bubbles were observed between the two glass plates and the adhesive layer, and they were firmly and uniformly bonded.
比較例として、実施例と同じポリビニルブチラール樹脂
を使用して接着した２枚のガラス板を、オートクレーブ
に入れ、130℃で10分間、圧力10kg/cm2で加熱加圧して
合わせガラスを製造した。As a comparative example, two glass plates adhered using the same polyvinyl butyral resin as in the example were placed in an autoclave and heated at 130 ° C. for 10 minutes at a pressure of 10 kg / cm 2 to produce a laminated glass.
実施例及び比較列においてそれぞれ得られた合わせガラ
スを比較したところ、気泡の巻き込みもなく、外観、接
着力、耐衝撃強度等が全く同等なものであった。When the laminated glass obtained in each of the examples and the comparative column was compared, it was found that the appearance, the adhesive strength, the impact strength, etc. were completely the same without the inclusion of bubbles.
本発明の合わせガラスの製造方法は、支持部材に取り付
けたガラス板を、例えば、コンベア等の搬送手段により
連続的に加熱炉中を通過させ、この間に加熱加圧を行う
ことによって、合わせガラスを容易に連続的に製造する
ことができ、合わせガラスの大量生産に好適な方法であ
る。また製造工程を自動化することも可能となる。The manufacturing method of the laminated glass of the present invention, the glass plate attached to the support member, for example, by passing through a heating furnace continuously by a conveying means such as a conveyor, by performing heating and pressurization during this, the laminated glass It is a method suitable for mass production of laminated glass because it can be easily and continuously produced. Further, it becomes possible to automate the manufacturing process.
図１〜３は本発明の方法の主な工程を説明する図であ
り、図１は２枚のガラス板を接着剤層を介して重ね合わ
せる工程を説明する図、図２は重ね合わせたガラス板、
並びに加圧部材を支持部材に配置する工程を説明する
図、図３は加熱炉中でガラス板を加熱加圧する工程を説
明する図であり、図４は合わせガラスの構造を示す断面
図である。 5,6……ガラス板、７……接着剤層、 ８……支持枠、９……支持体、 10……加圧部材、11a,11b……緩衝材層。1 to 3 are diagrams for explaining main steps of the method of the present invention, FIG. 1 is a diagram for explaining a step of laminating two glass plates via an adhesive layer, and FIG. 2 is a glass for laminating. Board,
FIG. 3 is a diagram for explaining the step of disposing the pressure member on the support member, FIG. 3 is a diagram for explaining the step of heating and pressing the glass plate in the heating furnace, and FIG. 4 is a sectional view showing the structure of the laminated glass. . 5,6 ... Glass plate, 7 ... Adhesive layer, 8 ... Support frame, 9 ... Support, 10 ... Pressure member, 11a, 11b.
Claims (1)
わせ、加熱時に該重ね合わせたガラス板に圧力が加わる
形状に変形するように形状記憶合金からなる加圧部材を
配置し、加熱することからなる合わせガラスの製造方
法。1. A pressure member made of a shape memory alloy is arranged such that two glass plates are superposed with an adhesive layer interposed therebetween, and the heated glass plates are deformed into a shape in which pressure is applied to the superposed glass plates when heated. A method for producing a laminated glass, which comprises heating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP27155588A JPH0745334B2 (en) | 1988-10-27 | 1988-10-27 | Laminated glass manufacturing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP27155588A JPH0745334B2 (en) | 1988-10-27 | 1988-10-27 | Laminated glass manufacturing method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02120260A JPH02120260A (en) | 1990-05-08 |
| JPH0745334B2 true JPH0745334B2 (en) | 1995-05-17 |
Family
ID=17501705
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP27155588A Expired - Fee Related JPH0745334B2 (en) | 1988-10-27 | 1988-10-27 | Laminated glass manufacturing method |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0745334B2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6988377B2 (en) * | 2017-11-01 | 2022-01-05 | 大日本印刷株式会社 | Laminated glass manufacturing equipment, laminated glass manufacturing method |
-
1988
- 1988-10-27 JP JP27155588A patent/JPH0745334B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH02120260A (en) | 1990-05-08 |
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| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |