Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Yury Viktorovich Lakhotkin0
Sergey Aleksandrov0
Yuri Zhuk0
Date of Patent
January 23, 2007
0Patent Application Number
105091090
Date Filed
March 21, 2003
0Patent Primary Examiner
Patent abstract
There is disclosed a cutting tool having a blade coated on one side with a hard coating living a laminar or layered microstructure. The coating tends to wear evenly and smoothly, thereby keeping a cutting edge of the cutting tool smooth. Furthermore, by coating the cutting edge on one side only, the cutting edge becomes self-sharpening. The coating preferably includes at least one layer made of tungsten carbides substantially or entirely free of metallic tungsten.
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