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. 26, 1999
Filed:
Jul. 03, 1996
Applicant:
Inventors:
Bjorn Ljungberg, Enskede, SE;
Leif kesson, Alvsjo, SE;
Assignee:
Sandvik AB, Sandviken, SE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B / ;
U.S. Cl.
CPC ...
428216 ; 51307 ; 51309 ; 428212 ; 428336 ; 428457 ; 428469 ; 428697 ; 428698 ; 428701 ; 428702 ; 427348 ; 4273762 ; 4274193 ; 407119 ;
Abstract
A coated cutting insert particularly useful for intermittent cutting of low alloyed steel. The insert is characterized by a WC-Co-based cemented carbide body having a highly W-alloyed Co-binder phase and a coating including an inner layer of TiC.sub.x N.sub.y O.sub.z with columnar grains and an outer coating of a fine grained, textured .alpha.-Al.sub.2 O.sub.3 -layer.