Method and device for manufacturing glass article

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 11370684
APP PUB NO 20210147275A1
SERIAL NO

16768961

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Importance

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Abstract

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Provided is a manufacturing method for a glass article, including: a pre-heating step (S1) of heating a transfer pipe (7); and a transfer step (S4) of allowing a molten glass to flow inside the transfer pipe (7) after the pre-heating step (S1). The transfer pipe (7) includes: a main body portion (8) having a tubular shape; and a flange portion (9a, 9b) formed at an end portion of the main body portion (8). The main body portion (8) is retained by a refractory (10). The pre-heating step (S1) includes an external force application step of applying an external force (F) to the transfer pipe (7) to extend the transfer pipe (7).

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Patent Owner(s)

Patent OwnerAddress
NIPPON ELECTRIC GLASS CO LTD7-1 SEIRAN 2-CHOME OTSU-SHI SHIGA 5208639 ?5208639

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Okamoto, Shusuke Shiga, JP 5 7
Tamamura, Shusaku Shiga, JP 7 22
Tenyama, Kazuyuki Shiga, JP 7 8

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