Process for making lenses and tool for pressing a glass blank

The method involves feeding a glass melt drop into a concave mold. The sides of the glass melt drop in the concave mold are precisely pressed together with a press die. The press die is immersed in the glass melt drop so that a supporting rim with preset dimensions is formed on a lens by the displac...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	PETERS, FRANK, BONITZ, RALF DR, ADEBAHR, RAINER
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	CHEMISTRY GLASS MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES METALLURGY MINERAL OR SLAG WOOL
Online-Zugang:	Volltext bestellen
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