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.

Date of Patent:
Jan. 13, 2009

Filed:

Jul. 05, 2005
Applicant:

Anders Jonsson, Gavle, SE;

Inventor:

Anders Jonsson, Gavle, SE;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B23B 27/14 (2006.01);
U.S. Cl.
CPC ...
Abstract

The present invention relates to a cutting tool insert for metal machining comprising a coating comprising at least one wear resistant layer and a substrate and said insert further comprising clearance faces and rake faces intersecting to form cutting edges. The cutting edge has essentially no edge radius, the coating has been removed by grinding on the clearance face from at least close to the cutting edge and that the coating on the rake face has a surface roughness of less than about 0.3 μm over a measured length of 0.25 mm.


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