US Patent 7922428 Coated bore cutting tools
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Patent abstract
A twist drill partially coated with TiN to increase wear resistance whilst minimising the transfer of coating particles to a work piece. The drill is selectively coated on the rake face (42); the land (46) is not coated.
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Patent Inventor Names
Vijitha Weerasinghe0
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US Patent 07922428 Coated bore cutting tools US Patent 7922428 Coated bore cutting tools
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Patent Number
079224280
Patent Number
79224280
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Official Website
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Patent Jurisdiction
Patent Number
079224280
Date of Patent
April 12, 2011
0Patent Application Number
105699620
Date Filed
August 27, 2004
0Official Website
Patent Primary Examiner
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US Patent 07922428 Coated bore cutting tools
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Is a
Patent jurisdiction
Patent number
07922428
Date of patent
April 12, 2011
Patent application number
10569962
Date Filed
August 27, 2004
Patent primary examiner
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