VACUUM DEGASSING APPARATUS, APPARATUS FOR PRODUCING GLASSWARE, AND METHOD FOR PRODUCING GLASSWARE

It is an object of the present invention to provide a vacuum degassing apparatus configured so as to be capable of carrying out more simply exchange operation for an extension pipe made of heat-resisting metal and immersed in molten glass. The present invention includes a vacuum housing, a vacuum ve...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	MIYOSHI, Wataru, HAMAMOTO, Hiroaki, KOBAYASHI, Suguru, UEMATSU, Toshiyuki, SASAKI, Michito
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	CHEMISTRY GLASS MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES METALLURGY MINERAL OR SLAG WOOL
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