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:
Sep. 23, 2025
Filed:
Jan. 08, 2021
Applicant:
Nippon Electric Glass Co., Ltd., Shiga, JP;
Inventors:
Riku Yamashiro, Shiga, JP;
Hiroki Mori, Shiga, JP;
Assignee:
NIPPON ELECTRIC GLASS CO., LTD., Shiga, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C03B 17/06 (2006.01); C03B 33/03 (2006.01);
U.S. Cl.
CPC ...
C03B 17/064 (2013.01); C03B 17/068 (2013.01); C03B 33/03 (2013.01);
Abstract
In a method of manufacturing a glass film, in a cutting step, a crack (CR) formed in a non-product portion (Gc, Gc) along a longitudinal direction of a glass film (G) is guided by a guiding member (a,b) so as to propagate to an outer end portion (Gd) of the non-product portion (Gc, Gc) in a width direction.