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:
Sep. 01, 1998
Filed:
Jun. 12, 1997
Applicant:
Inventors:
Anders Lenander, Tyreso, SE;
Leif kesson, Alvsjo, SE;
Assignee:
Sandvik AB, Sanviken, SE;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C23C / ;
U.S. Cl.
CPC ...
427249 ; 427255 ; 4272552 ; 4272553 ; 4272557 ;
Abstract
The present invention relates to CVD-coated cemented carbide tool used for chip forming machining. More particularly, it relates to a coating with an intermediate layer acting as a diffusion barrier thus influencing the coating structure and coating adhesion of the following layer.