Title:
ガラス製造方法、及びガラス供給管の予熱方法
Document Type and Number:
Japanese Patent JP6724813
Kind Code:
B2
Abstract:
Provided is a glass manufacturing method comprising: a preheating step for, prior to a glass supplying step, electrifying and heating a glass supply tube 7 in advance, in a state where the glass supply tube is separated from glass supply paths 6a-6d; and a glass supply path forming step for, following the preheating step, connecting the glass supply tube 7 to configure the glass supply paths 6a-6d. The preheating step includes a blocking step for blocking at least a portion of openings 7a of the glass supply tube 7 using blocking members 16.
Inventors:
Shusaku Tamamura
Application Number:
JP2017024254A
Publication Date:
July 15, 2020
Filing Date:
February 13, 2017
Export Citation:
Assignee:
Nippon Electric Glass Co., Ltd.
International Classes:
C03B5/435; C03B17/06; F27D13/00
Domestic Patent References:
| JP20149125A | ||||
| JP201419629A | ||||
| JP2013216535A | ||||
| JP2010535694A |
Attorney, Agent or Firm:
Kunihiko Shiromura
Tsuyoshi Kumano
Junya Yamamoto
Tsuyoshi Kumano
Junya Yamamoto