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:
Mar. 04, 2008
Filed:
Dec. 22, 2004
Yoshihiro Shiraishi, Kanagawa, JP;
Motoichi Iga, Kanagawa, JP;
Itsuo Matsumoto, Kanagawa, JP;
Toru Kamihori, Kanagawa, JP;
Yoshihiro Shiraishi, Kanagawa, JP;
Motoichi Iga, Kanagawa, JP;
Itsuo Matsumoto, Kanagawa, JP;
Toru Kamihori, Kanagawa, JP;
Asahi Glass Company, Limited, Tokyo, JP;
Abstract
The present invention relates to production of a flat glass, which can improve the surface smoothness of a flat glass in the moving direction and which prevents formation of stripes on the flat glass. A fixed bedcomprising a plurality of supportsarranged in such a state that they will not move at least in a direction in parallel with the moving direction of a glass ribbonand having groovesB to let loose the steam generated by vaporization of a steam film forming agent formed between the respective supportsis used, and the amount of the steam let loose from the grooves is adjusted in accordance with the glass temperature distribution in the moving direction of the glass ribbonwhich moves on the fixed bed