AT78977B - Process for the production of glass objects with colored decorations in the glass mass. - Google Patents

Process for the production of glass objects with colored decorations in the glass mass.

Info

Publication number
AT78977B
AT78977B AT78977DA AT78977B AT 78977 B AT78977 B AT 78977B AT 78977D A AT78977D A AT 78977DA AT 78977 B AT78977 B AT 78977B
Authority
AT
Austria
Prior art keywords
glass
production
colored
objects
mass
Prior art date
Application number
Other languages
German (de)
Original Assignee
Orrefors Bruks Aktiebolag Fa
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 Orrefors Bruks Aktiebolag Fa filed Critical Orrefors Bruks Aktiebolag Fa
Application granted granted Critical
Publication of AT78977B publication Critical patent/AT78977B/en

Links

Landscapes

  • Surface Treatment Of Glass (AREA)
  • Glass Compositions (AREA)

Description

  

   <Desc/Clms Page number 1> 
 



  Verfahren zur Herstellung von Glasgegenständen mit in der Glasmasse befindlichen gefärbten Verzierungen. 



   Die Erfindung bezieht sich auf die Herstellung von Glasgegenständen mit in der   Glasmasse   befindlichen gefärbten Verzierungen und bezweckt, vertonende Übergänge zwischen die ver. schiedenen Farben zu erzielen. 
 EMI1.1 
 denen Glasmalerei oder Email an der   Oberfläche   einer Glasschicht aufgebracht und nachher langsam angewärmt und mit einer zweiten Glasschicht überzogen wurden, hatten den Übelstand, dass das Aussehen oder die Kontur der gemalten oder emaillierten Figuren während des An. wärmens und der Bearbeitung des Glases infolge der verschiedenen Schmelzpunkte von Glas und Farbe oder Email   verändert   wurde. 



   Man hat durch Beimischen von Glaspulver zur Farbe oder Email versucht, letzterer denselben Schmelzpunkt wie dem Glas zu erteilen, hat aber diesen   Zweck nur unvollständig   erreicht, wodurch der oben erwähnte Mangel wenigstens teilweise unbehoben bleibt. 



   Bei der Herstellung von dekorierten Gegenständen mit gefärbten Figuren durch Ätzen hat man bisher die Ätzung auf einer an einer Glasmasse angebrachten gefärbten Glasschicht ausgeführt, wodurch eine erhöhte Figur an einem ungefärbten Grund erhalten wird. Diese Figuren zeichnen sich indessen durch scharfe und harte Konturen aus, die   der weichen Farbeabtönunsen   entbehren. 



   Nach der Erfindung werden diese Übelstände dadurch vermieden, dass die Figuren durch   Atmung   in an sich bekannter Weise mit   Fluorwasserstoffsäure   an einer gefärbten Glasschicht hergestellt werden, die angewärmt und mit einer äusseren   farblosen Glasschicht übenogen wird.   Die Figuren bestehen dann aus einer Glasmasse, die genau dieselbe chemische Zusammensetzung hat wie das umgebende Glas, wodurch dieselben sich beim Anwärmen   gleichmässig   mit dem umgebenden Glas ausdehnen. Beim folgenden Fertigblasen werden die Umrisse   de Figuren   
 EMI1.2 
 

**WARNUNG** Ende DESC Feld kannt Anfang CLMS uberlappen**.



   <Desc / Clms Page number 1>
 



  Process for the production of glass objects with colored decorations in the glass mass.



   The invention relates to the production of glass objects with colored decorations in the glass mass and aims to achieve sound transitions between the different colors.
 EMI1.1
 which stained glass or enamel were applied to the surface of one layer of glass and then slowly warmed up and covered with a second layer of glass, had the disadvantage that the appearance or the contour of the painted or enamelled figures during the on. warming and processing of the glass has changed due to the different melting points of glass and color or enamel



   By adding glass powder to the paint or enamel, attempts have been made to give the latter the same melting point as the glass, but this purpose has only been incompletely achieved, which means that the above-mentioned deficiency remains at least partially unresolved.



   In the manufacture of decorated objects with colored figures by etching, the etching has hitherto been carried out on a colored glass layer attached to a glass mass, as a result of which a raised figure is obtained on an uncolored ground. These figures, however, are characterized by sharp and hard contours that lack the soft shade of color.



   According to the invention, these inconveniences are avoided in that the figures are produced by breathing in a manner known per se with hydrofluoric acid on a colored glass layer, which is heated and coated with an outer colorless glass layer. The figures then consist of a glass mass that has exactly the same chemical composition as the surrounding glass, which means that when heated, they expand evenly with the surrounding glass. The outlines of the figures are created during the subsequent blow-molding
 EMI1.2
 

** WARNING ** End of DESC field may overlap beginning of CLMS **.

 

Claims (1)

PATENT. ANSPRUCH : Verfahren zur Herstellung von Glasgegenständen mit in der Glasmasse befindlichen gefärbten Verzierungen, dadurch gekennzeichnet, dass die Figuren durch Ätzung einer gefärbten EMI1.3 **WARNUNG** Ende CLMS Feld Kannt Anfang DESC uberlappen**. PATENT. CLAIM : Process for the production of glass objects with colored decorations located in the glass mass, characterized in that the figures are colored by etching a EMI1.3 ** WARNING ** End of CLMS field may overlap beginning of DESC **.
AT78977D 1917-01-29 1917-11-14 Process for the production of glass objects with colored decorations in the glass mass. AT78977B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE78977X 1917-01-29

Publications (1)

Publication Number Publication Date
AT78977B true AT78977B (en) 1919-11-10

Family

ID=20272595

Family Applications (1)

Application Number Title Priority Date Filing Date
AT78977D AT78977B (en) 1917-01-29 1917-11-14 Process for the production of glass objects with colored decorations in the glass mass.

Country Status (1)

Country Link
AT (1) AT78977B (en)

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