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. 07, 1989
Filed:
Sep. 17, 1985
Applicant:
Inventors:
Katsutoshi Komeya, Kanagawa, JP;
Hashimoto, Masahiro, Kamakura, JP;
Katsutoshi Nishida, Yokohama, JP;
Michiyasu Komatsu, Yokohama, JP;
Assignee:
Kabushiki Kaisha Toshiba, Kawasaki, JP;
Primary Examiner:
Int. Cl.
CPC ...
C04B / ;
U.S. Cl.
CPC ...
501 97 ; 501 98 ; 501105 ; 501108 ; 501127 ; 264 65 ; 264125 ; 264332 ;
Abstract
A sliding member formed of sintered silicon nitride shows improvement in strength and abrasion resistance when substantially all the .beta.-phase type fine silicon nitride particles present as a main component in the sintered silicon nitride have major diameters not exceeding 60 .mu.m and aspect ratios of not less than 5 and the aforementioned fine silicon nitride particles have a relative density of not less than 98%.
Quick Actions:
Komeya, Katsutoshi. (1989). Sliding member of high strength and high abrasion resistance (U.S. Patent No. 4879263). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4879263
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile