Methods for manufacturing molded glass object and upper mold

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United States of America Patent

PATENT NO 9388063
APP PUB NO 20100101276A1
SERIAL NO

12589214

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Abstract

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This invention provides a manufacturing method of a molded glass object in which generation of defects such as dents and wrinkles due to catching of ambient gas between a molten glass drop and an upper mold is restrained in the case of manufacturing a molded glass object by press-molding of a dropped molten glass drop, and a manufacturing method of an upper mold for the manufacturing method of a molded grass object. A molten glass drop is press-molded by use of an upper mold having been subjected to a roughening treatment to roughen the surface on the molding surface to compress the molten glass drop.

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Patent Owner(s)

  • KONICA MINOLTA OPTO, INC.

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Fukumoto, Naoyuki Amagasaki, JP 12 37
Hasegawa, Kento Sakai, JP 6 11
Hayamizu, Shunichi Amagasaki, JP 24 196

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