Method and device for manufacturing glass article

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 11795094
APP PUB NO 20200299171A1
SERIAL NO

16761001

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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 causing molten glass to flow through 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 on an end portion of the main body portion (8). The main body portion (8) is retained by a refractory (10). In the pre-heating step (S1), the main body portion (8) is heated while the flange portion (9a, 9b) is movably supported so that the flange portion (9a, 9b) is moved in accordance with extension of the main body portion (8).

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Patent Owner(s)

Patent OwnerAddress
NIPPON ELECTRIC GLASS CO LTDOTSU-SHI SHIGA 520-8639

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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