Vacuum degassing apparatus and vacuum degassing method for molten glass

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United States of America Patent

PATENT NO 8468851
APP PUB NO 20120324957A1
SERIAL NO

13600925

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Abstract

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A vacuum degassing apparatus for molten glass is comprised of an uprising pipe, a vacuum degassing vessel, a downfalling pipe, an upstream side pit that supplies molten glass to the uprising pipe, and a downstream side pit that receives molten glass from the downfalling pipe. The vacuum degassing apparatus for molten glass is further comprised of a separating mechanism that separates a part of molten glass moving from the downfalling pipe to the downstream side pit, and a returning pipe that returns separated molten glass to the upstream side pit.

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Patent Owner(s)

Patent OwnerAddress
AGC INC5-1 MARUNOUCHI 1-CHOME CHIYODA-KU TOKYO 1008405 ?1008405

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Endo, Yuji Tokyo, JP 10 118
Itoh, Hajime Tokyo, JP 38 432
Koyama, Tetsuya Tokyo, JP 24 458
Nishikawa, Toru Tokyo, JP 56 786
Yamamichi, Hironobu Tokyo, JP 5 4

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