Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Gerald Rescigno0
Russell M Timmons0
Rickey J Thomas0
Muniswamappa Anjanappa0
Li Xu0
Stephen R. Crosby0
Date of Patent
July 3, 2007
0Patent Application Number
109141110
Date Filed
August 9, 2004
0Patent Citations Received
Patent Primary Examiner
Patent abstract
A metal cutting drill bit has a shank portion, a flute portion defining a helix angle and a tip. The tip has a primary cutting edge extending to an outer periphery of the drill bit. The primary cutting edge has a rake face defining a rake angle. The rake angle is different from the helix angle at the tip of the drill bit.
Timeline
No Timeline data yet.
Further Resources
No Further Resources data yet.
