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. 23, 1999
Filed:
Oct. 29, 1997
Applicant:
Inventors:
Katumi Takagi, Nagoya, JP;
Shuji Inoue, Anjo, JP;
Assignee:
Aisin Seiki Kabushiki Kaisha, Kariya, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B21D / ;
U.S. Cl.
CPC ...
428614 ; 428650 ; 428552 ;
Abstract
A wear resistant metal composite which comprises formed porous fly ash obtained by forming fly ash into the desired shape and a metal impregnated into voids present in the interior of said formed fly ash, wherein the percentage by volume of said formed fly ash is 30% by volume or less, and wherein said fly ash is exposed on the surface of said wear resistant metal composite.