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:
Mar. 02, 1999
Filed:
Jan. 28, 1997
Akihito Iwai, Hitachinaka, JP;
Hiroshi Wada, Hitachinaka, JP;
Katsumi Matsumoto, Hitachi, JP;
Sosuke Naito, Minoo, JP;
Yoshihiko Imai, Anjo, JP;
Hideki Nakamura, Takaishi, JP;
Hiroaki Tanaka, Osaka, JP;
Hitachi Chemical Company, Ltd., Tokyo, JP;
Kansai Matec Co., Ltd., Osaka, JP;
Abstract
An alumina-zirconia sintered body comprising 92 to 35% by weight of aluminum oxide and 8 to 65% by weight of zirconium oxide having mainly tetragonal system, and 0.2 to 5 parts by weight of silicon oxide per 100 parts by weight of the total of aluminum oxide and zirconium oxide, and having a relative density of 95% or more, has improved wear resistance and suitable for use in an impact grinder.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile