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:
Feb. 02, 2010
Filed:
Feb. 23, 2006
Applicant:
Björn Ljungberg, Enskede, SE;
Inventor:
Björn Ljungberg, Enskede, SE;
Assignee:
Sandvik Intellectual Property AB, Sandviken, SE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B 9/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A CVD-coated cutting tool insert with a TiCN-layer with a low tensile stress level of 10-300 MPa and an α-AlO-layer with a high surface smoothness of <0.1 μm as measured by AFM-technique is disclosed. This is obtained by subjecting the coating to a first intensive wet blasting operation with a slurry of F80 grits of AlOfollowed by a second wet blasting treatment with a slurry of F320 grits of AlO.