DIE AND METHOD FOR MOLDING GLASS ELEMENT

PROBLEM TO BE SOLVED: To provide a molding die which prevents air being trapped in a space between the die and a glass element and is thus suitable for molding the glass element which shows a short molding cycle and a stable quality, and a molding method of the glass element using the die. SOLUTION:...

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Bibliographische Detailangaben
Hauptverfasser:	KABETA ATSUO, KATAYANAGI SHUICHI
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMISTRY GLASS MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES METALLURGY MINERAL OR SLAG WOOL OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICS PHYSICS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a molding die which prevents air being trapped in a space between the die and a glass element and is thus suitable for molding the glass element which shows a short molding cycle and a stable quality, and a molding method of the glass element using the die. SOLUTION: The die for molding the glass element has a gas vent hole 12 that penetrates the die and is provided at the middle of a molding surface 11. A suction device is provided at the opening on the opposite side of the molding surface of the gas vent hole. The glass element is molded using the die for molding the glass element under an ordinary pressure. COPYRIGHT: (C)2008,JPO&INPIT