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:
Oct. 21, 2003
Filed:
Dec. 02, 2002
Applicant:
Inventors:
Robert Bianco, Strongsville, OH (US);
Thomas D. Nixon, Akron, OH (US);
John P. Swank, Troy, OH (US);
Assignee:
The B.F.Goodrich Company, Richfield, OH (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B32B 1/504 ; F16D 6/500 ;
U.S. Cl.
CPC ...
B32B 1/504 ; F16D 6/500 ;
Abstract
Disclosed is a ferrous metal article having a protective, adherent, wear resistant coating of metallic oxides and a method of forming a protective, adherent, wear resistant coating of metallic oxides on an iron-chrome article. The coating desirably has a thickness of from about 12.7 to about 102 microns (½ mil to about 4 mils) and is formed by exposure of the article to an oxidizing atmosphere, preferably air, preferably during heat treatment of the article.