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. 12, 1993
Filed:
Sep. 07, 1990
Applicant:
Inventors:
Satoshi Taniguchi, Ichinomiya, JP;
Koji Yamada, Handa, JP;
Assignee:
NGK Insulators, Ltd., Nagoya, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B05D / ;
U.S. Cl.
CPC ...
427237 ; 427255 ; 4272554 ; 427343 ; 427379 ;
Abstract
A method for treating the surface of the inner wall of a furnace, said inner wall being lined with ceramic fibers, involves placing a source generating an alkali component in a furnace for firing a material into a product, in which at least the inner wall is lined with a ceramic fiber body, and heating the interior of the furnace to vaporize the alkali component, thereby impregnating the surface layer portion of the ceramic fiber body with the thus vaporized alkali component.