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. 06, 2025
Filed:
Oct. 13, 2020
Nippon Electric Glass Co., Ltd., Shiga, JP;
Daisuke Nagata, Shiga, JP;
Hiroki Mori, Shiga, JP;
Masaya Fujisaki, Shiga, JP;
Yohei Kirihata, Shiga, JP;
NIPPON ELECTRIC GLASS CO., LTD., Shiga, JP;
Abstract
Provided is a method of manufacturing a glass roll (GR), including: a conveying step of conveying a band-shaped glass film (G) in a lateral conveying direction by a conveying device (); and a roll-up step of rolling up the glass film (G) into a roll shape. The conveying step includes an inspection step of measuring a state of each of end portions (Gd, Ge) in a width direction of the glass film (G) by a detection unit () under a state in which a tension is applied to the glass film (G) that passes through an intermediate conveying region (MS) of the conveying device () by a tension applying portion.