Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Isamu Nagai0
Shigeru Mazaki0
Date of Patent
November 7, 2006
0Patent Application Number
104825340
Date Filed
June 28, 2002
0Patent Primary Examiner
Patent abstract
A tool, a device, and a method for drilling capable of very easily forming a hole part in a drilled matter by extremely smoothly discharging chips produced at drilled positions so as to maintain an excellent drilling efficiency. By using a drilling tool having a shaft with a spiral groove part formed in the outer peripheral surface thereof and a bit fixed to the tip part of the shaft, the hole part is formed in a drilled matter by rotating the shaft.
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