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:
Nov. 27, 2001
Filed:
May. 20, 1999
Applicant:
Inventors:
Yusuke Takei, Tokyo, JP;
Masataka Matsuwaki, Kanagawa, JP;
Yasuharu Hirabara, Kanagawa, JP;
Takashi Kijima, Kanagawa, JP;
Mitsuo Sugimoto, Kanagawa, JP;
Assignee:
Asahi Glass Company, Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
C03B 5/225 ;
U.S. Cl.
CPC ...
C03B 5/225 ;
Abstract
A vacuum degassing apparatus includes a lifter to absorb deformation in a vertical direction due to thermal expansion of the vacuum degassing, a slider to absorb thermal expansion of the vacuum degassing vessel in a longitudinal direction thereof, or a thermal expansion absorbing layer to absorb thermal expansion of an uprising pipe and a downfalling pipe in a cross-sectional direction, or a thermal expansion absorbing layer provided along a portion of an outer surface of the vacuum degassing vessel in a height direction.