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, 2009
Filed:
Mar. 24, 2006
Applicants:
Hideaki Kawata, Matsudo, JP;
Hiroki Fujitsuka, Matsudo, JP;
Inventors:
Hideaki Kawata, Matsudo, JP;
Hiroki Fujitsuka, Matsudo, JP;
Assignee:
Hitachi Powdered Metals Co., Ltd., Matsudo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C22C 33/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
A wear resistant sintered member comprising an Fe base alloy matrix and a hard phase dispersed in the Fe base alloy matrix and having an alloy matrix and hard particles precipitated and dispersed in the alloy matrix. Manganese sulfide particles having particle size of 10 μm or less are uniformly dispersed in crystal grains of the overall Fe base alloy matrix, and manganese sulfide particles having particle size of 10 μm or less are dispersed in the alloy matrix of the hard phase.