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:
Dec. 10, 2002
Filed:
Sep. 02, 1998
Applicant:
Inventors:
Hans Brändle, Sargans, CH;
Nobuhiko Shima, Chiba-Ken, JP;
Assignee:
Unaxis Trading AG, Trubbach, LI;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B23B 2/714 ;
U.S. Cl.
CPC ...
B23B 2/714 ;
Abstract
So as to provide a wear-resistant workpiece, and especially a wear-resistant cutting tool, capable of realising stable cutting with a long life span thereof during high-efficiency cutting, there is provided between a wear-resistant layer system with at least one hard material layer of a compound containing titanium and aluminum and the surface of the base body of a hard metal or of a steel an intermediate layer of a material selected from the group of nitride, carbonitride, nitroboride, carbonitroboride of chromium, tantalum, zirconium or titanium.