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:
Apr. 28, 2020
Filed:
Jul. 17, 2017
Agc Inc., Chiyoda-ku, JP;
Takamitsu Yamato, Chiyoda-ku, JP;
Kouhei Sunaga, Chiyoda-ku, JP;
Akira Hasegawa, Chiyoda-ku, JP;
Akira Sugahara, Chiyoda-ku, JP;
AGC Inc., Chiyoda-ku, JP;
Abstract
Provided is a sheet glass production process for properly producing sheet glass having a convex shape in section in a width direction orthogonal to the advancing direction of a glass ribbon. A glass ribbon Gadvancing on molten metalis heated so as to have both edge portions GB heated more intensely than a central portion GA in a width direction thereof in an upstream zone of the molten metal bath, and a plurality of rollsare rotated in contact with both edge portions GB of the glass ribbon Gsuch that upstream rollsA in an advancing direction Fhave a lower peripheral speed than downstream rollsB in the advancing direction.