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Title:
METHOD FOR PRODUCING GLASS ARTICLE AND GLASS-MELTING FURNACE
Document Type and Number:
WIPO Patent Application WO/2019/124006
Kind Code:
A1
Abstract:
The method for producing a glass article is provided with a glass-melting step for continuously melting a glass raw material Gr in a glass-melting furnace 1 by ohmic heating (electrical heating) by an electrode 11 to form molten glass Gm and a molding step for molding plate glass from the molten glass Gm by a downdraw method. In the glass-melting step, the amount of water vapor in the atmosphere within the glass-melting furnace 1 is adjusted to 15 g/Nm3 or less.

Inventors:
SAKURABAYASHI Toru (7-1, Seiran 2-chome, Otsu-sh, Shiga 39, 〒5208639, JP)
HASEGAWA Toru (7-1, Seiran 2-chome, Otsu-sh, Shiga 39, 〒5208639, JP)
Application Number:
JP2018/043733
Publication Date:
June 27, 2019
Filing Date:
November 28, 2018
Export Citation:
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Assignee:
NIPPON ELECTRIC GLASS CO., LTD. (7-1 Seiran 2-chome, Otsu-shi Shiga, 39, 〒5208639, JP)
International Classes:
C03B5/173; C03B5/03; C03B17/06; F27B3/08; F27D7/02
Domestic Patent References:
WO2016185976A12016-11-24
WO2007108324A12007-09-27
Foreign References:
JP2005060134A2005-03-10
JP2002128528A2002-05-09
JPS52110717A1977-09-17
Attorney, Agent or Firm:
SHIROMURA Kunihiko et al. (Ehara Patent Office, 2-15 Bakurou-machi 4-chome, Chuo-ku, Osaka-sh, Osaka 59, 〒5410059, JP)
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