Cutting tool and method of reducing the width of wear mark...

Details Cutting tool and method of reducing the width of wear mark... Cutting tool and method of reducing the width of wear mark...

2006-01-12

2008-10-07

Turner, Archene (Department: 1794)

Abrasive tool making process, material, or composition

With inorganic material

C051S309000, C407S119000, C427S348000, C427S355000, C427S419100, C427S419200, C427S419700, C428S212000, C428S698000, C428S701000, C428S702000

Reexamination Certificate

active

07431747

ABSTRACT:
The invention relates to a cutting tool made of ceramics, cermet or cemented carbide and including a rake face, a flank face and a cutting edge at the intersection of rake face and flank face, as well as a multi-layered wear resisting coating including a layer which is made of aluminum oxide and deposited on a hard material layer, in which for avoiding an increase in the width of wear mark, with simultaneous retention of the resistance to cratering of the rake face, the aluminum oxide layer of the coating is removed on the flank face and the underlying hard material layer is exposed at least in portions. The aluminum oxide layer of the coating is removed on the flank face preferably by means of laser beam treatment.

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International Search Report for PCT/EP2004/007381 mailed Nov. 18, 2004 (3 pages).

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