Title:
GLASS PLATE PRODUCTION METHOD AND PRODUCTION DEVICE
Document Type and Number:
WIPO Patent Application WO/2022/059429
Kind Code:
A1
Abstract:
A glass plate production device 1 comprises: a melting furnace 2 for producing melted glass Gm by heating a glass raw material; a clarification pipe 5 made of a noble metal for performing a clarification process on the melted glass Gm produced by the melting furnace 2; and a formation means 4 for using the melted glass Gm, which has been subjected to the clarification process, to form a glass ribbon Gr, wherein the clarification pipe 5 is inclined so as to be higher with increasing distance downstream, and such that the inclination angle α of the clarification pipe 5 with respect to the horizontal axis is 0.25° to 5°.
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Inventors:
TAMAMURA SHUSAKU (JP)
NISHIMURA YASUHIRO (JP)
NISHIMURA YASUHIRO (JP)
Application Number:
PCT/JP2021/030745
Publication Date:
March 24, 2022
Filing Date:
August 23, 2021
Export Citation:
Assignee:
NIPPON ELECTRIC GLASS CO (JP)
International Classes:
C03B5/225; C03B17/06
Domestic Patent References:
| WO2019124017A1 | 2019-06-27 | |||
| WO2020129528A1 | 2020-06-25 | |||
| WO2019230488A1 | 2019-12-05 |
Foreign References:
| JP2018095535A | 2018-06-21 | |||
| JP2016128384A | 2016-07-14 | |||
| JP2014019629A | 2014-02-03 | |||
| JP2018058756A | 2018-04-12 |
Attorney, Agent or Firm:
SHIROMURA Kunihiko et al. (JP)
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