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. 13, 1998
Filed:
Mar. 28, 1996
Applicant:
Inventor:
Erich Bergmann, Mels, CH;
Assignee:
Balzers AG, Balzers, LI;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B / ;
U.S. Cl.
CPC ...
428469 ; 428215 ; 428472 ; 428698 ; 428699 ;
Abstract
A tool with at least one area which is to be exposed to wear, is coated in a vacuum process with a first hard coating lying directly on the tool material and a superimposed exterior friction reducing layer over the hard coating. The grain size of the hard and friction reducing layers has a linear average width of less than 1 .mu.m.