JPS5843344B2 - Datsuki Press Souch - Google Patents
Datsuki Press SouchInfo
- Publication number
- JPS5843344B2 JPS5843344B2 JP49138080A JP13808074A JPS5843344B2 JP S5843344 B2 JPS5843344 B2 JP S5843344B2 JP 49138080 A JP49138080 A JP 49138080A JP 13808074 A JP13808074 A JP 13808074A JP S5843344 B2 JPS5843344 B2 JP S5843344B2
- Authority
- JP
- Japan
- Prior art keywords
- airtight
- assembly
- box
- pressure
- chamber
- 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
Links
Landscapes
- Laminated Bodies (AREA)
- Joining Of Glass To Other Materials (AREA)
Description
【発明の詳細な説明】
本発明は複数の板状体間に接着用樹脂層を介在せしめた
組立体を加熱脱気及びプレスをして複数の板状体を貼合
せた合せ板を製造するに適した脱気プレス装置、特に複
数のガラス板間に接着用樹脂層を介して貼合せた合せガ
ラスを製造するに好適な脱気プレス装置に関する。[Detailed description of the invention] The present invention produces a laminated board in which a plurality of plate-like bodies are bonded together by heating, deaerating and pressing an assembly in which an adhesive resin layer is interposed between a plurality of plate-like bodies. The present invention relates to a degassing press device suitable for manufacturing, particularly a degassing press device suitable for manufacturing laminated glass in which a plurality of glass plates are bonded together via an adhesive resin layer.
従来2枚もしくは、それ以上の枚数のガラス板或いはガ
ラス板と合成樹脂板等を接着用樹脂層を介して接合した
合せ板は万一破損しても、破片が飛散しない利点があり
安全ガラスとして各種交通機関の窓ガラスや建築材料と
して広く使用されている。Conventionally, a laminated board made by bonding two or more glass plates or a glass plate and a synthetic resin plate through an adhesive resin layer has the advantage that even if it breaks, the pieces will not scatter, so it is used as safety glass. It is widely used as window glass for various transportation systems and as a building material.
このような合せ板の製造方法としては、中間層として可
塑化ポリビニルブチラール膜(以下ブチラール膜と称す
)を使用し、二枚のガラスの間に挟み込んだ組立体を加
熱後、ゴムロールの間で圧着して周辺をシールした後、
オート°クレープを用いて加熱圧着する方法である。The manufacturing method for such laminated sheets is to use a plasticized polyvinyl butyral film (hereinafter referred to as butyral film) as the intermediate layer, heat the assembly sandwiched between two pieces of glass, and then press it between rubber rolls. After sealing the surrounding area,
This is a method of heat-pressing using an auto-crepe.
しかしながら、この方法は周辺のシールとオート°クレ
ープの中での加熱圧着の二つの工程が必要である。However, this method requires two steps: peripheral sealing and heat-pressing in an autoclave.
このため大がかりな設備が必要であるばかりでなく、工
程が複雑であるため歩留も悪く生産能率も悪いため必然
的にコスト・アップ要因となっている。For this reason, not only is large-scale equipment required, but the process is complicated, resulting in poor yield and poor production efficiency, which inevitably increases costs.
そこで近年、オート・クレープ処理が不要の合せガラス
の製造方法が提案された。Therefore, in recent years, a method for manufacturing laminated glass that does not require auto-creping has been proposed.
それは減圧ボックスの内部にさらに、二枚の可撓性の隔
壁を設けて、二枚の隔壁の間に組立体を入れた後、減圧
ボックス内部をすべて、減圧状態に保ちつつ組立体を加
熱し、所望の温度に達した後に二枚の隔壁の外側の圧力
を大気圧に開放することによって、二枚の隔壁の間の組
立体を隔壁の外面に加わる犬気圧によって、押圧蓋する
方法である。In this method, two flexible partition walls are further installed inside the vacuum box, and after the assembly is placed between the two partition walls, the assembly is heated while maintaining the entire interior of the vacuum box in a reduced pressure state. In this method, the pressure on the outside of the two partition walls is released to atmospheric pressure after the desired temperature is reached, and the assembly between the two partition walls is closed by pressure applied to the outside surface of the partition wall. .
この方法は減圧ボックス内で組立体の中間層から脱気が
行なわれた後、中間層は減圧されたまま大気圧との差圧
によって組立体の主面を押圧するものであるから脱気効
果が大で、接着力及び外観が優れた合せガラスが製造可
能であった。In this method, the middle layer of the assembly is degassed in a decompression box, and then the main surface of the assembly is pressed by the pressure difference between atmospheric pressure and the middle layer, which is kept under reduced pressure, so the degassing effect is improved. It was possible to produce laminated glass with a large adhesive strength and excellent appearance.
しかし、このような方法を実施するには手作業が多く、
生産性が低い欠点があった。However, implementing this method requires a lot of manual work;
The drawback was low productivity.
本発明は前記欠点を改良した生産性の高い合せ板を製造
するのに好適な脱気プレス装置を提供するものであって
、本発明の第1の発明は複数の板状体間に接着用樹脂層
を介在せしめた組立体を水平にして移送する移送手段と
、該移送手段の移送経路に設置され、且つ移送される組
立体を加熱する加熱手段と開いた時、加熱された組立体
が該移送手段によってその中に出入可能になる如く該移
送手段の上下に設けられた開閉手段を有する分割型気密
ボックスと、該組立体に対し該移送手段と反対側にある
該気密ボックスの一方のボックスの中に設けた気密性可
撓性膜と、該気密ボックスが閉じたとき、該気密性可撓
性膜によって区分される該気密ボックスの二煎密室の内
談組立体が移送されてくる気密室と他の気密室との気圧
を一旦、減圧した後、鉄地の気密室を大気圧にする手段
とからなる該組立体の脱気プレス装置である。The present invention provides a degassing press device suitable for manufacturing laminated plates with high productivity, which improves the above-mentioned drawbacks. A transfer means for horizontally transferring the assembly with a resin layer interposed therebetween; a heating means installed in the transfer path of the transfer means for heating the assembly to be transferred; and when opened, the heated assembly is heated. a split airtight box having opening/closing means provided above and below the transfer means so as to be accessible into and out of the box by the transfer means, and one of the airtight boxes on the opposite side of the assembly from the transfer means; An air-tight flexible membrane provided in the box and, when the air-tight box is closed, an internal discussion assembly of two sealed chambers of the air-tight box separated by the air-tight flexible membrane are transferred. This degassing press device comprises means for once reducing the pressure in an airtight chamber and another airtight chamber, and then bringing the airtight chamber made of steel back to atmospheric pressure.
本発明の第1の発明に係る脱気プレス装置は複数の板状
体間に接着用樹脂層を介在せしめた組立体を気密ボック
ス外の移送手段上で加熱した後該組立体を気密ボックス
内に送り気密ボックスを閉じ、次に気密ボックスの二煎
密室の気圧をほぼ同程度に減圧し、組立体の中間層から
組立体を押圧しない状態で脱気し、次いで組立体の存在
する気密室を減圧のまま他方の気密室を増圧して大気圧
にもどして気密室間の差圧によって気密性可撓性膜が組
立体を押圧し複数の板状体を貼合せることができる。The degassing press device according to the first aspect of the present invention heats an assembly in which an adhesive resin layer is interposed between a plurality of plate-like bodies on a transfer means outside the airtight box, and then places the assembly in the airtight box. The airtight box is closed, the air pressure in the two airtight chambers of the airtight box is reduced to almost the same degree, the middle layer of the assembly is degassed without pressing the assembly, and then the airtight chamber where the assembly is While the pressure is reduced, the pressure in the other airtight chamber is increased to return it to atmospheric pressure, and the airtight flexible membrane presses the assembly due to the pressure difference between the airtight chambers, making it possible to bond a plurality of plate-like bodies together.
本発明において組立体の移送手段にロールコンベアを用
いた場合に組立体をその全面で支えていないので板状体
がガラス板の如く割れやすい材質からなるときは気密性
可撓性膜で組立体を押圧するとき割れる恐れがあり、こ
れを防止するため気密性可撓性膜で組立体を押圧する際
にロールコンベアのロールの間から出退できる平面支持
具によって組立体を支持することが好ましい。In the present invention, when a roll conveyor is used as a means of transporting the assembly, the assembly is not supported on its entire surface, so if the plate-shaped body is made of a material that is easily broken, such as a glass plate, the assembly is carried out using an airtight flexible membrane. To prevent this, it is preferable to support the assembly with a flat support that can move in and out from between the rolls of the roll conveyor when pressing the assembly with an airtight flexible membrane. .
本発明の第2の発明は本発明の第1の発明に記載された
組立体の移送手段にロールによって張架すした気密性の
エンドレスベルトを用い、該気密ボックスが閉じたとき
、該気密性可撓性膜と気密性エンドレスベルトとによっ
て区分される該気密ボックスの三煎密室の内部なくとも
該組立体が移送されてくる気密室と他の気密室との気圧
を一旦減圧した後、鉄地の気密室を大気圧にする手段を
有することを特徴とする該組立体の脱気プレス装置であ
る。The second invention of the present invention uses an airtight endless belt stretched by rolls as the transport means for the assembly described in the first invention, and when the airtight box is closed, the airtight After once reducing the pressure inside the three airtight chambers of the airtight box divided by a flexible membrane and an airtight endless belt, at least the airtight chamber into which the assembly is transferred and the other airtight chambers, The degassing press device for the assembly is characterized in that it has means for bringing the airtight chamber below atmospheric pressure to atmospheric pressure.
この第2の発明に係る脱気プレス装置は加熱された組立
体を気密ボックス内に送り、気密ボックスを閉じ、次に
気密ボックスの三煎密室の気圧をほぼ同程度に減圧し、
組立体の中間層から組立体を押圧しない状態で脱気し、
次いで組立体の存在する気密室を減圧のまま他方の気密
室を増圧して大気圧にもどして気密室間の差圧によって
気密性可撓性膜とエンドレスベルトのベルト表面との間
に組立体を挾持押圧して複数の板状体を貼合せることが
できる。The degassing press device according to the second invention sends the heated assembly into an airtight box, closes the airtight box, and then reduces the pressure in three closed chambers of the airtight box to approximately the same level,
Degas the intermediate layer of the assembly without pressing the assembly,
Next, while the pressure in the airtight chamber where the assembly is present is reduced, the pressure in the other airtight chamber is increased to return it to atmospheric pressure, and the assembly is assembled between the airtight flexible membrane and the belt surface of the endless belt due to the differential pressure between the airtight chambers. Multiple plate-like bodies can be bonded together by sandwiching and pressing.
本発明によるときは組立体を押圧しない状態で減圧して
組立体の接着用樹脂中間層から脱気後組立体を押圧貼合
せるものであるから接着用樹脂中間層から脱気が完全に
行われ泡が残ることがないまた本発明によるときは組立
体の移送手段と気密性可撓性膜を有する分割型気密ボッ
クスを巧みに組合せた安価な設備でオートクレーブ処理
が不要の合せ板の製造方法が連続的に実施でき、従って
生産性が向上する。According to the present invention, the pressure is reduced without pressing the assembly to remove air from the adhesive resin intermediate layer of the assembly, and then the assembly is press-bonded, so that air is completely degassed from the adhesive resin intermediate layer. In addition, according to the present invention, there is provided a method for producing a laminated board without leaving any bubbles, using inexpensive equipment that skillfully combines a means for transporting the assembly and a split type airtight box having an airtight flexible membrane, and which does not require autoclaving. It can be carried out continuously, thus increasing productivity.
更に本発明の第2の発明によるときは気密性可撓性膜と
可撓性エンドレスベルトのベルト表面との間に組立体を
挟持抑圧して複数の板状体を貼合すものであるから組立
体に作用する押圧力は均一に加わり、接着樹脂層の厚味
むらがなくまた合せ板の相対向する板状体間の平行性が
改善される。Furthermore, according to the second aspect of the present invention, the assembly is held and suppressed between the airtight flexible membrane and the belt surface of the flexible endless belt, and a plurality of plate-like bodies are bonded together. The pressing force acting on the assembly is uniformly applied, the thickness of the adhesive resin layer is not uneven, and the parallelism between the opposing plate bodies of the laminated plate is improved.
更に本発明の第2の発明は気密性可撓性膜と可撓性エン
ドレスベルトのベルト表面との間に組立体を挟持押圧す
るものであるから組立体を構成する板状体がガラスの如
く割れやすい材質であっても板状体に集中した押圧力が
加わらないため割れる恐れがない。Furthermore, in the second aspect of the present invention, the assembly is sandwiched and pressed between the airtight flexible membrane and the belt surface of the flexible endless belt, so that the plate-like bodies constituting the assembly are made of glass. Even if the material is easily broken, there is no risk of it breaking because no concentrated pressing force is applied to the plate-shaped body.
以下、図面に示した本発明の実施例について詳述する。Embodiments of the present invention shown in the drawings will be described in detail below.
2枚のガラス1,1′の間にブチラール膜2を挾んだ組
立体を、ローラーコンベア3で予備加熱帯4に移動し、
ブチラール膜温度を80〜90℃に加熱する。The assembly in which the butyral film 2 is sandwiched between two glasses 1 and 1' is moved to a preheating zone 4 by a roller conveyor 3.
Heat the butyral film temperature to 80-90°C.
次にベルト加熱帯5で加熱された気密性のベルト6の上
に組立体を移動させ、加熱帯7でさらに、ブチラール膜
温度を90〜130℃に加熱する。Next, the assembly is moved onto the airtight belt 6 heated by the belt heating zone 5, and the butyral film temperature is further heated to 90 to 130° C. by the heating zone 7.
次に気密上ボックス8を油圧シリンダー9で上昇させて
、組立体を気密ボックス内に移動する。Next, the airtight upper box 8 is raised by the hydraulic cylinder 9, and the assembly is moved into the airtight box.
ゴム製の可撓性膜10は第2図のようにあらかじめ上部
排気口11より気圧調整手段である真空ポンプで排気す
ることにより、上ボツクス加熱帯12に接触させて加熱
しておく、この状態で油圧シリンダー9を作動させて減
圧上ボックス8を下降させて、第2図のように気密下ボ
ックス13に一致させる。As shown in FIG. 2, the flexible membrane 10 made of rubber is heated in advance by being brought into contact with the upper box heating zone 12 by evacuating it from the upper exhaust port 11 with a vacuum pump, which is a pressure adjusting means. The hydraulic cylinder 9 is actuated to lower the depressurized upper box 8 and align it with the airtight lower box 13 as shown in FIG.
この状態で気密ボックス内部は、ガスケット14により
外気と完全に遮断される。In this state, the inside of the airtight box is completely isolated from the outside air by the gasket 14.
同時に気密ボックス内部は隔壁10及びベルト6で3つ
の気密室に分割される。At the same time, the inside of the airtight box is divided into three airtight chambers by the partition wall 10 and the belt 6.
次に上ボツクス排気口11を減圧に保持したままの状態
で、下ボックス排気口15及び差圧排気口16より排気
減圧する。Next, while the upper box exhaust port 11 is maintained at a reduced pressure, exhaust pressure is reduced through the lower box exhaust port 15 and the differential pressure exhaust port 16.
この減圧に要する時間は予備減圧タンクを用いれば数秒
間である。The time required for this pressure reduction is several seconds if a preliminary vacuum tank is used.
所望の減圧度に到達したところで差圧排気口16は減圧
状態に保ったままで、上ボツクス排気口11及び下ボッ
クス排気口15を大気圧に開放すると、第3図のように
ガラス組立体は可撓性膜10とベルト6の外面lこ加わ
った大気圧により押圧されて接着される。When the desired degree of depressurization is reached, the upper box exhaust port 11 and the lower box exhaust port 15 are opened to atmospheric pressure while the differential pressure exhaust port 16 is kept in a reduced pressure state, and the glass assembly can be moved as shown in FIG. The outer surfaces of the flexible membrane 10 and the belt 6 are pressed and bonded together by the applied atmospheric pressure.
次に差圧排気口16を大気圧に開放して、気密上ボック
ス8を油圧シリンダー9を作動させて上昇して、組立体
を最終加熱帯17に移動させる。Next, the differential pressure outlet 16 is opened to atmospheric pressure, and the airtight upper box 8 is raised by actuating the hydraulic cylinder 9 to move the assembly to the final heating zone 17.
この状態ですでに透明な合せガラスとなっているがさら
に最終加熱帯17で110〜150℃に加熱すると圧着
による歪や微少な真空泡が取除かれて完全な合せガラス
が出来上がる。In this state, the laminated glass is already transparent, but when it is further heated to 110 to 150°C in the final heating zone 17, distortions caused by pressure bonding and minute vacuum bubbles are removed, and a perfect laminated glass is completed.
この装置で製造した合せガラスのA、N、S。A, N, and S laminated glasses manufactured using this equipment.
IZ−26,1に定めるBoilテストの結果は次の表
の通りであり、不良品の発生はない。The results of the Boil test specified in IZ-26, 1 are shown in the table below, and there were no defective products.
本発明の装置では、気密性の移動ベルトの使用により従
来困難であった合せガラスの連続生産が簡単な設備で容
易に行われる。In the apparatus of the present invention, continuous production of laminated glass, which has been difficult in the past, can be easily carried out using simple equipment by using an airtight moving belt.
また、この装置を用いれば、気密ボックスの処理のみで
、透明な合せガラスの製造が出来るので、従来から実施
されている、仮接着後にオート・クレープ処理をする複
雑な工程を必要としないので、設備費が少なくてすむば
かりでなく、生産性が向上するという利点がある。In addition, using this equipment, transparent laminated glass can be manufactured just by processing the airtight box, so there is no need for the conventionally complicated process of auto-creping after temporary bonding. This has the advantage of not only requiring less equipment costs but also improving productivity.
第1図は本発明の装置の一実施例を示すものであって、
装置全体の一部断面側面図である。
また第2図、第3図は気密ボックスの部分断面図であり
、第2図は減圧中の部分断面図、第3図は圧着中の断面
図を示す。
1 t 1’ニガラス、2:ブチラール膜、3:ローラ
ー・コンベア、4:予備加熱帯、5:ベルト加熱帯、6
:ベルト、7:加熱帯、8:気密上ボックス、9:油圧
シリンダー、10:可撓性膜、11:上ボツクス排気口
、12:上ボツクス加熱帯、13:気密下ボックス、1
4:ガスケット、15:下ボックス排気口、16:差圧
排気口、17:最終加熱帯、18:ベルト・コンベア・
ロール。FIG. 1 shows an embodiment of the device of the present invention,
FIG. 2 is a partially sectional side view of the entire device. 2 and 3 are partial cross-sectional views of the airtight box, FIG. 2 is a partial cross-sectional view during depressurization, and FIG. 3 is a cross-sectional view during crimping. 1 t 1' glass, 2: Butyral membrane, 3: Roller conveyor, 4: Preheating zone, 5: Belt heating zone, 6
: Belt, 7: Heating zone, 8: Airtight upper box, 9: Hydraulic cylinder, 10: Flexible membrane, 11: Upper box exhaust port, 12: Upper box heating zone, 13: Airtight lower box, 1
4: Gasket, 15: Lower box exhaust port, 16: Differential pressure exhaust port, 17: Final heating zone, 18: Belt/conveyor
roll.
Claims (1)
体を水平にして移送する移送手段と、該移送手段の移送
経路に設置され、且つ移送される組立体を加熱する加熱
手段と開いた時、加熱された組立体が該移送手段によっ
てその中に出入可能になる如く該移送手段の上下に設け
られた開閉手段を有する分割型気密ボックスと、該組立
体に対し該移送手段と反対側にある該気密ボックスの一
方のボックスの中に設けた気密性可撓性膜と、該気密ボ
ックスが閉じたとき、該気密性可撓性膜によって区分さ
れる該気密ボックスの二煎密室の内鉄組立体が移送され
てくる気密室と他の気密室との気圧を一旦減圧した後該
他の気密室を大気圧にする手段とからなる該組立体の脱
気プレス装置。 2、特許請求の範囲1に記載された脱気プレス装置にお
いて、該組立体の移送手段にロールによって張架された
気密性のエンドレスベルトを用い、該気密ボックスが閉
じたとき、該気密性可撓性膜と気密性エンドレスベルト
とによって区分される該気密ボックスの三煎密室の内部
なくとも該組立体が移送されてくる気密室と他の気密室
との気圧を一旦減圧した後、該他の気密室を大気圧にす
る手段を有することを特徴とする該組立体の脱気プレス
装置。[Scope of Claims] 1. A transport means for horizontally transporting an assembly in which an adhesive resin layer is interposed between a plurality of plate-like bodies, and an assembly installed in a transport path of the transport means and transported. a split airtight box having a heating means for heating the box and an opening/closing means provided above and below the transfer means such that when opened, the heated assembly can be moved in and out of the box by the transfer means; and the assembly. an airtight flexible membrane provided in one box of the airtight box on the side opposite to the transfer means; A method for removing an airtight box assembly comprising means for once reducing the pressure in the airtight chamber into which the inner iron assembly of the two airtight chambers is transferred and in another airtight chamber and then bringing the other airtight chamber to atmospheric pressure. Air press device. 2. In the degassing press apparatus described in claim 1, an airtight endless belt stretched by rolls is used as the conveying means of the assembly, and when the airtight box is closed, the airtightness is After once reducing the pressure inside at least the three airtight chambers of the airtight box divided by the flexible membrane and the airtight endless belt, the airtight chamber into which the assembly is transferred and the other airtight chambers are depressurized. A degassing press device for the assembly, comprising means for bringing the airtight chamber to atmospheric pressure.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP49138080A JPS5843344B2 (en) | 1974-11-30 | 1974-11-30 | Datsuki Press Souch |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP49138080A JPS5843344B2 (en) | 1974-11-30 | 1974-11-30 | Datsuki Press Souch |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5163815A JPS5163815A (en) | 1976-06-02 |
JPS5843344B2 true JPS5843344B2 (en) | 1983-09-26 |
Family
ID=15213478
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP49138080A Expired JPS5843344B2 (en) | 1974-11-30 | 1974-11-30 | Datsuki Press Souch |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5843344B2 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS51129413A (en) * | 1975-05-06 | 1976-11-11 | Asahi Glass Co Ltd | Method of preliminary contact bonding of laminated glass |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS49106517A (en) * | 1973-02-10 | 1974-10-09 | ||
JPS5015872A (en) * | 1973-06-12 | 1975-02-19 |
-
1974
- 1974-11-30 JP JP49138080A patent/JPS5843344B2/en not_active Expired
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS49106517A (en) * | 1973-02-10 | 1974-10-09 | ||
JPS5015872A (en) * | 1973-06-12 | 1975-02-19 |
Also Published As
Publication number | Publication date |
---|---|
JPS5163815A (en) | 1976-06-02 |
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