US Patent 7476067 Drill bit
Patent 7476067 was granted and assigned to Kennametal on January, 2009 by the United States Patent and Trademark Office.
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Patent abstract
A drill bit having a shank portion and a cutting portion, which cutting portion generally has at least one cutting edge and a chip flute that has a helical portion. The drill bit has at least one straight coolant channel that has a coolant exit orifice disposed at least partially in the flute and oriented toward the cutting edges to supply coolant thereto to cool the cutting edges and chips produced during a cutting operation.
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US Patent 07476067 Drill bit US Patent 7476067 Drill bit
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Patent Number
0747606700
Patent Number
747606700
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Is a
Current Assignee
Patent Jurisdiction
Patent Number
074760670
Date of Patent
January 13, 2009
0Patent Application Number
113370990
Date Filed
January 20, 2006
0Official Website
Patent Primary Examiner
Edits on 23 Sep, 2022
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Infobox
Is a
Current Assignee
Patent Jurisdiction
Patent Number
074760670
Date of Patent
January 13, 2009
0Patent Application Number
113370990
Date Filed
January 20, 2006
0Official Website
Patent Primary Examiner
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US Patent 07476067 Drill bit
Infobox
Is a
Current assignee
Patent jurisdiction
Patent number
07476067
Date of patent
January 13, 2009
Patent application number
11337099
Date Filed
January 20, 2006
Patent primary examiner
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