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. 28, 2003
Filed:
Dec. 15, 2000
Applicant:
Inventors:
Berndt Brenner, Pappritz, DE;
Frank Tietz, Dresden, DE;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C21D 1/68 ; C21D 1/09 ;
U.S. Cl.
CPC ...
C21D 1/68 ; C21D 1/09 ;
Abstract
A process for producing wear-resistant edge layers in precipitation-hardenable materials wherein a component that was conventionally solution annealed and subsequently subjected to a conventional aging heat treatment is subjected to another short-time solution annealing affecting only the edge layer of the component, whereafter another aging heat treatment that evenly includes the interior of the component and its edge layer is carried out.