Stock material or miscellaneous articles – Composite – Of inorganic material
Reexamination Certificate
2006-12-08
2011-10-25
Turner, Archene (Department: 1784)
Stock material or miscellaneous articles
Composite
Of inorganic material
C051S307000, C051S309000, C407S119000, C428S216000, C428S325000, C428S336000, C428S472000, C428S701000, C428S702000
Reexamination Certificate
active
08043729
ABSTRACT:
The present invention discloses a coated cutting tool insert particularly useful for dry and wet machining, preferably milling, in low and medium alloyed steels, stainless steels, with or without raw surface zones under severe conditions such as vibrations, long overhang and recutting of chips. The insert is characterized by WC—Co cemented carbide with a W and Cr alloyed Co-binder phase and a coating including at least three TiCxNyOzlayers and a top layer at least on the rake face of a smooth α-Al2O3.
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Partial Translation of Israeli Patent Office Action for Israeli patent application No. 180060.
Åkesson Leif
Ljungberg Björn
Norgren Susanne
Pettersson Marie
Sundström Rickard
Drinker Biddle & Reath LLP
Sandvik Intellectual Property AB
Turner Archene
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