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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.:

US 4236925 B1

PDFFull Text
Date of Patent:
Dec. 02, 1980

Filed:

Aug. 10, 1978

Method of producing sintered material having high damping capacity and

Applicant:
Inventors:

Jin Onuke, Hitachi, JP;

Masateru Suwa, Tokai, JP;

Ko Soeno, Hitachi, JP;

Akio Okayama, Hitachi, JP;

Masatoshi Tsuchiya, Hitachi, JP;

Hisakiti Onodera, Hitachi, JP;

Assignee:

Hitachi, Ltd., , JP;

Attorney:

Craig & Antonelli

Primary Examiner:

Brooks H Hunt

Int. Cl.
CPC ...
B22F / ; B22F / ;
U.S. Cl.
CPC ...
75229 ; 75200 ; 7520 / ; 7520 / ; 75214 ; 75229 ; 478279 ;
Abstract

A method of producing a sintered material having a high wearing resistance and damping capacity by mixing 5-30 wt. % of a powdery metal selected from the group consisting of lead, magnesium and graphite with the remainder of a powdery metal selected from the group consisting of iron, copper, aluminum, cast iron and alloys thereof, compression-molding the mixture, subjecting the same to plastic treatment and sintering the same by heating to a temperature above a recrystallization point of the matrix metal, and the sintered material thus produced.

Find Patent Forward Citations

Onuke, Jin. (1980). Method of producing sintered material having high damping capacity and (U.S. Patent No. 4236925). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4236925

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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