Drilling Tool
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United States of America Patent
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N/A
Issued Date -
Mar 19, 2009
app pub date -
Apr 4, 2006
filing date -
Apr 4, 2005
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
of the cutting blade in order to configure a longitudinal separation means for separating the swarf in the longitudinal direction. The swarf is separated at the part of the cutting blade in both the lateral and longitudinal directions and fractionized into very fine pieces. By doing so, it is possible to provide a drilling tool which allows swarf to be surely separated in the lateral and longitudinal directions and fractionized even when a hole is created with a large machining thickness in the radial direction.
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