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:
Aug. 18, 1992
Filed:
Mar. 13, 1990
Applicant:
Inventors:
Akihiro Tsuji, Gifu, JP;
Mitsugu Suzuki, Yokkaichi, JP;
Jyunichi Doi, Aichi, JP;
Shigeru Hanzawa, Kagamihara, JP;
Assignee:
NGK Insulators, Ltd., , JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C04B / ;
U.S. Cl.
CPC ...
264 63 ; 264 67 ;
Abstract
A method of manufacturing a product of cermacis in which a green body is formed by isostatic pressing and an outer surface of the green body is polished by a buffing member before sintering, so that the utilization coefficient of a starting material of the product can be improved but the smoothness of the outer surface of the final product is the same as the smoothness of the outer surface of the conventional product.