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:
Jan. 07, 2003
Filed:
Mar. 07, 2001
Applicant:
Inventor:
Rudolf Linde, Wermelskirchen, DE;
Assignee:
Federal Mogul Burscheid GmbH, Burscheid, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B 1/500 ; C25D 1/500 ;
U.S. Cl.
CPC ...
B32B 1/500 ; C25D 1/500 ;
Abstract
In an electrodeposited hard-chromium coat, particularly for a piston ring, which is substantially formed of an electrolyte containing hexavalent chromium, wherein there are cracks in the coat and diamond particles are embedded in these cracks, the diamond particles have a size ranging from 0.25 to 0.5 &mgr;m.