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:
Dec. 22, 1998
Filed:
Aug. 16, 1996
Applicant:
Inventors:
Hiroshi Ando, Yokohama, JP;
Fumiaki Saito, Aichi, JP;
Chikao Tanaka, Yokohama, JP;
Shinji Takeshita, Yokohama, JP;
Koji Hirasawa, Takasago, JP;
Sei Nagano, Yokohama, JP;
Hajime Ito, Yokohama, JP;
Shinji Yamamura, Yokohama, JP;
Assignee:
Asahi Glass Company Ltd., Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C03B / ;
U.S. Cl.
CPC ...
65329 ; 65 325 ; 651349 ; 65325 ; 65375 ; 65495 ; 138106 ; 138107 ; 138119 ; 138149 ;
Abstract
A backup structure for a pipe for feeding a molten substance of high temperature has a pipe and a thermal insulation material surrounding the pipe wherein the pipe is provided with a plurality of projections on its outer periphery at predetermined intervals, and each of the productions is held at its both sides by the thermal insulation material.