The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 28, 2022
Filed:
Nov. 29, 2018
Applicant:
Nippon Electric Glass Co., Ltd., Shiga, JP;
Inventors:
Assignee:
NIPPON ELECTRIC GLASS CO., LTD., Shiga, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C03B 5/027 (2006.01); C03B 5/235 (2006.01); C03B 5/42 (2006.01); C03B 17/06 (2006.01); F27D 3/14 (2006.01); C03B 5/02 (2006.01);
U.S. Cl.
CPC ...
C03B 5/235 (2013.01); C03B 5/42 (2013.01); C03B 17/064 (2013.01); F27D 3/14 (2013.01);
Abstract
Provided is a manufacturing method for a glass article, including: a pre-heating step (S) of heating a transfer pipe (); and a transfer step (S) of allowing a molten glass to flow inside the transfer pipe () after the pre-heating step (S). The transfer pipe () includes: a main body portion () having a tubular shape; and a flange portion () formed at an end portion of the main body portion (). The main body portion () is retained by a refractory (). The pre-heating step (S) includes an external force application step of applying an external force (F) to the transfer pipe () to extend the transfer pipe ().