Title:
METHOD FOR PRODUCING GLASS ARTICLE
Document Type and Number:
WIPO Patent Application WO/2019/054385
Kind Code:
A1
Abstract:
A method for producing a glass article, including a feeding step of feeding a glass raw material 4 from a feeding machine 5 arranged on a front wall 3a of a melting chamber 3 onto the surface 2a of a molten glass 2 that is placed in the melting chamber 3 in a glass melting furnace 1, a melting step of heating the fed glass raw material 4 by means of an electrode 8 immersed in the molten glass 2 in the melting chamber 3 to melt the glass raw material 4, and an outflow step of allowing the molten glass 2 to flow out through an outflow port 7 arranged on a rear wall 3b of the melting chamber 3 to the outside of the melting chamber 3, wherein 60 to 95% of the area of the surface 2a of the molten glass 2 in the melting chamber 3 is covered with the glass raw material 4 that is fed in the feeding step.
Inventors:
HASEGAWA TORU (JP)
SAKURABAYASHI TORU (JP)
SAKURABAYASHI TORU (JP)
Application Number:
PCT/JP2018/033689
Publication Date:
March 21, 2019
Filing Date:
September 11, 2018
Export Citation:
Assignee:
NIPPON ELECTRIC GLASS CO (JP)
International Classes:
C03B5/027
Domestic Patent References:
| WO2012132474A1 | 2012-10-04 |
Foreign References:
| JPS5926931A | 1984-02-13 | |||
| JP2010042992A | 2010-02-25 | |||
| JPS4713618A | ||||
| JPS54144417A | 1979-11-10 | |||
| JPH01164735A | 1989-06-28 |
Attorney, Agent or Firm:
SHIROMURA Kunihiko et al. (JP)
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