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:
Nov. 14, 2006
Filed:
Oct. 27, 2004
Applicants:
Sakari Ruppi, Fagersta, SE;
Silvia Dahlund, Söderbärke, SE;
Jenni Zackrisson, Fagersta, SE;
Inventors:
Assignee:
Seco Tools AB, Fagersta, SE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B 9/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A cutting tool insert with a cemented carbide and a coating. The cemented carbide substrate includes WC, 7 to 12 wt-% Co, 5 to 11 wt-% cubic carbides of metals from the groups IVb, Vb and VIb with a binder phase that is highly alloyed with cobalt. The tungsten carbide phase has a mean intercept length of 0.7 to 1.4 μm. The coating includes at least one 2 to 12 μm thick α-AlOlayer composed of columnar grains with texture coefficients: TC(012)>2.2 and TC(024)>0.6×TC(012).