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. 16, 2014
Filed:
Sep. 29, 2010
Tsutomu Oishi, Tokyo, JP;
Yoshizumi Tanaka, Yamaguchi, JP;
Norifumi Miyamoto, Yamaguchi, JP;
Michiyuki Suzuki, Yamaguchi, JP;
Mitsuhiko Sato, Yamaguchi, JP;
Tsutomu Oishi, Tokyo, JP;
Yoshizumi Tanaka, Yamaguchi, JP;
Norifumi Miyamoto, Yamaguchi, JP;
Michiyuki Suzuki, Yamaguchi, JP;
Mitsuhiko Sato, Yamaguchi, JP;
IHI Corporation, Tokyo, JP;
Ube Industries, Ltd., Yamaguchi, JP;
Abstract
A production process which comprises a preform formation step of forming a fiber preform made of silicon carbide short fibers having heat resistance of 1000° C. or greater; a sol-gel preparation step of preparing a sol-gel solution containing a heat resistant compound having heat resistance of 1000° C. or greater; an impregnation-drying-calcination step of impregnating the fiber preform with the sol-gel solution, followed by drying and calcining; and a crystallization step of crystallizing the fiber preform after impregnation, drying and calcination.