Glass manufacturing – Processes – Sequentially forming – reheating – and working
Patent
1998-05-19
1999-11-23
Vincent, Sean
Glass manufacturing
Processes
Sequentially forming, reheating, and working
65 291, 65 2919, 65102, 65275, C03B 2300
Patent
active
059879220
ABSTRACT:
A manufacturing method for molded glass articles including glass optical elements such as high precision lenses not requiring grinding and polishing after press molding. The manufacturing method according to the invention is a method for manufacturing the molded glass articles having a higher surface precision with a high productivity by pressing a glass material in a stepwise manner constituted of some steps depending on a temperature condition of the glass material.
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Hirota Shin-ichiro
Saitoh Kohichi
Sugawara Kishio
Uno Ken
Hoya Corporation
Vincent Sean
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