METHOD OF MANUFACTURING A WATCH GLASS WITH AT LEAST ONE RECESS AND TOOL FOR SUCH A METHOD

The invention relates to a method for producing a watch case glass (10) having at least one recess. The method comprises the steps: providing an initial glass (1) having an original thickness (d1) greater than a predetermined thickness (d10) of the watch case glass (10); heating the starting glass (...

Ausführliche Beschreibung

Bibliographische Detailangaben

1. Verfasser:	BONKE, Michael
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	APPARATUS OR TOOLS SPECIALLY DESIGNED FOR MAKING ORMAINTAINING CLOCKS OR WATCHES CHEMICAL COMPOSITION OF GLASSES, GLAZES, OR VITREOUSENAMELS CHEMISTRY GLASS HOROLOGY JOINING GLASS TO GLASS OR OTHER MATERIALS MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL MECHANICALLY-DRIVEN CLOCKS OR WATCHES METALLURGY MINERAL OR SLAG WOOL PHYSICS SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS,MINERALS OR SLAGS SURFACE TREATMENT OF GLASS TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
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