Cutting tool insert

Details Cutting tool insert Cutting tool insert

2006-12-20

2010-06-15

Turner, Archene (Department: 1794)

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Physical dimension specified

C051S307000, C051S309000, C204S192100, C407S119000, C427S348000, C427S368000, C427S419100, C427S419200, C427S419700, C428S697000, C428S698000, C428S699000, C428S701000, C428S702000

Reexamination Certificate

active

07736734

ABSTRACT:
The present invention relates to a cutting tool insert for metal machining comprising a substrate with a first coating and an outermost PVD-layer. The insert further comprises clearance faces and rake faces intersecting to form cutting edges having essentially no edge radius. The first coating has been removed so that the outermost PVD-layer is the only layer on the clearance face at least close to the cutting edge. The present invention also relates to a method of making such an insert. The inserts according to the present invention gives an increased tool life.

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European Search Report dated Jan. 20, 2009 issued in European Application No. 06126232.5.

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