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. 27, 2022
Filed:
Apr. 07, 2017
Nippon Steel Corporation, Tokyo, JP;
Fine Sinter Co., Ltd., Kasugai, JP;
Manabu Kubota, Tokyo, JP;
Naomitsu Mizui, Tokyo, JP;
Fumio Ishimoto, Tokyo, JP;
Kazutaka Asabe, Tokyo, JP;
Osamu Kanda, Tokyo, JP;
Satoru Nakano, Kasugai, JP;
Takeshi Nakano, Kasugai, JP;
Kazumichi Kawasaki, Kasugai, JP;
Isao Shimazoe, Kasugai, JP;
NIPPON STEEL CORPORATION, Tokyo, JP;
FINE SINTER CO., LTD., Kasugai, JP;
Abstract
A sintered friction material is formed by pressure sintering mixed powder at 800° C. or above, the mixed powder consisting of, in mass %, Cu and/or Cu alloy: 40.0 to 80.0%, Ni: 0% or more and less than 5.0%, Sn: 0 to 10.0%, Zn: 0 to 10.0%, VC: 0.5 to 5.0%, Fe and/or Fe alloy: 2.0 to 40.0%, lubricant: 5.0 to 30.0%, metal oxide and/or metal nitride: 1.5 to 30.0%, and the balance being impurity.