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. 22, 2002
Filed:
Nov. 18, 1999
Applicant:
Inventors:
Gert Schlenkert, Düsseldorf, DE;
Horst Reckeweg, Heiligenhaus, DE;
Hartmut Wagner, Unterlüss, DE;
Assignee:
Rheinmetall W & M GmbH, Unterluss, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F41A 2/104 ;
U.S. Cl.
CPC ...
F41A 2/104 ;
Abstract
A method of providing an inner surface of a weapon barrel with a hard chromium layer includes the steps of forming the hard chromium layer on the inner surface by galvanic separation; and thereafter heating the hard chromium layer beyond the re-crystallization temperature thereof for obtaining, upon conclusion of the heating step, a uniform re-crystallization of the hard chromium layer in its entirety.