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:
Oct. 30, 2001
Filed:
Jun. 01, 1999
Applicant:
Inventors:
Yusuke Takei, Tokyo, JP;
Shigekuni Inoue, Kanagawa, JP;
Michito Sasaki, Kanagawa, JP;
Yasuharu Hirabara, Kanagawa, JP;
Atsushi Tanigaki, Kanagawa, JP;
Mitsuo Sugimoto, Kanagawa, JP;
Assignee:
Asahi Glass Company Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
C03B 5/00 ;
U.S. Cl.
CPC ...
C03B 5/00 ;
Abstract
Molten glass has a liquid level located at a higher level than lower ends of an uprising pipe and a downfalling. In addition, a contacting portion of the uprising pipe or the downfalling pipe and a brick receiver on an upstream or downstream pit for supporting the uprising or downfalling pipe, or a joint in the brick receiver is filled with sealing material.