AT135652B - Process for the production of laminated glass. - Google Patents

Process for the production of laminated glass.

Info

Publication number
AT135652B
AT135652B AT135652DA AT135652B AT 135652 B AT135652 B AT 135652B AT 135652D A AT135652D A AT 135652DA AT 135652 B AT135652 B AT 135652B
Authority
AT
Austria
Prior art keywords
laminated glass
production
glass
bath
plastic material
Prior art date
Application number
Other languages
German (de)
Original Assignee
Rhone Poulenc Sa
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 Rhone Poulenc Sa filed Critical Rhone Poulenc Sa
Application granted granted Critical
Publication of AT135652B publication Critical patent/AT135652B/en

Links

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  • Joining Of Glass To Other Materials (AREA)

Description

  

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    Verfahren   zur Herstellung von Verbundglas. 
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    Nach der vorliegenden Erfindung wird dieser Nachteil mit absoluter Sicherheit vermieden. Darüber hinaus bietet das vorliegende Verfahren auch den Vorteil, dass es einen sehr weiten Spielraum bei der Wahl der Temperatur und des Druckes gestattet, die zu einer vollendeten Verklebung führen und so ausgewählt werden können, dass die optischen Eigenschaften der Verbundgläser nicht schädlich beeinflusst werden. 



  Es ist bereits vorgeschlagen worden, das endgültige Verkleben eines durch Vereinigung von zwei Glasplatten mit einer Folie aus Cellulosederivat in einem aus einer flüchtigen, das Material der Folie in der Wärme lösenden, in der Kälte dagegen nicht lösenden Flüssigkeit bestehenden Bade erhaltenen Verbundglases dadurch zu bewirken, dass man die vereinigten Platten der direkten Einwirkung eines heissen unter Druck stehenden Gases unterwirft. Trotz der vorzüglichen Eigenschaften der erhaltenen Produkte bedeutete die Anwendung eines flüchtigen Stoffes für die Vereinigung doch eine Gefahr, dass sich Blasen bildeten. Die vorliegende Erfindung, die die gleiche Behandlung mit einem heissen Gas unter Druck bei Platten anwendet, für deren Vereinigung man keinen flüchtigen Stoff benutzt hat, vermeidet diesen Nachteil vollkommen. 



  PATENT-ANSPRÜCHE : 1. Verfahren zur Herstellung von Verbundglas durch Vereinigen von zwei Glasscheiben mit einer Folie aus plastischem Material unter Anpressen des erweichten, plastischen Materials innerhalb eines Bades von Weichmachungsmitteln, worauf die so zusammengepressten Platten aus dem Bade herausgenommen und unter Druck endgültig miteinander verklebt werden, dadurch gekennzeichnet, dass diese endgültige Verklebung in einem Autoklaven erfolgt, in welchem das Verbundglas der direkten Einwirkung eines heissen Gases unter Druck ausgesetzt wird.



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    Process for the production of laminated glass.
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    According to the present invention, this disadvantage is avoided with absolute certainty. In addition, the present method also offers the advantage that it allows a very wide scope in the choice of temperature and pressure, which lead to a perfect bond and can be selected so that the optical properties of the laminated glasses are not adversely affected.



  It has already been proposed that the final gluing of a laminated glass obtained by combining two glass plates with a film of cellulose derivative in a bath consisting of a volatile liquid that dissolves the material of the film in the heat but does not dissolve in the cold, is achieved by: that the combined plates are subjected to the direct action of a hot pressurized gas. In spite of the excellent properties of the products obtained, the use of a volatile material for the association did create a risk of the formation of bubbles. The present invention, which applies the same treatment with a hot gas under pressure to plates which have not been combined with a volatile material, completely avoids this disadvantage.



  PATENT CLAIMS: 1. Process for the production of laminated glass by joining two panes of glass with a sheet of plastic material while pressing the softened, plastic material within a bath of plasticizing agents, whereupon the sheets compressed in this way are taken out of the bath and finally glued together under pressure are characterized in that this final gluing takes place in an autoclave in which the laminated glass is exposed to the direct action of a hot gas under pressure.

 

Claims (1)

2. Verfahren nach Anspruch 1, dadurch gekennzeichnet, dass das dem Bade entnommene aus zwei Glasscheiben mit zwischengelegter Folie aus plastischem Material bestehende Produkt vor dem Einbringen in den Autoklaven in einer Presse einem leichtem Druck von kurzer Dauer bei gewöhnlicher Temperatur ausgesetzt wird. 2. The method according to claim 1, characterized in that the product taken from the bath, consisting of two panes of glass with an interposed film of plastic material, is subjected to light pressure in a press for a short time at ordinary temperature before being introduced into the autoclave.
AT135652D 1929-05-04 1930-04-02 Process for the production of laminated glass. AT135652B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR135652X 1929-05-04

Publications (1)

Publication Number Publication Date
AT135652B true AT135652B (en) 1933-11-25

Family

ID=8874154

Family Applications (1)

Application Number Title Priority Date Filing Date
AT135652D AT135652B (en) 1929-05-04 1930-04-02 Process for the production of laminated glass.

Country Status (1)

Country Link
AT (1) AT135652B (en)

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