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:
May. 20, 2025
Filed:
Jun. 04, 2020
Nippon Electric Glass Co., Ltd., Shiga, JP;
Kazuyoshi Nakajima, Shiga, JP;
Hirokazu Tanaka, Shiga, JP;
NIPPON ELECTRIC GLASS CO., LTD., Shiga, JP;
Abstract
Provided is a method of manufacturing a glass article, including: a preparation step of preparing a glass preform () including a first thin-walled portion () and a first thick-walled portion () at different positions in a width direction; a forming step of drawing the glass preform () downward while heating the glass preform () through use of a redraw method, to thereby form a glass ribbon () including a second thin-walled portion () and a second thick-walled portion () at different positions in the width direction; and an article formation step of obtaining a glass roll () serving as a glass article from the glass ribbon ().