CUTTING TOOL AND METHOD OF MANUFACTURING THE SAME
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United States of America Patent
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Issued Date -
Oct 9, 2014
app pub date -
Dec 27, 2011
filing date -
Feb 23, 2011
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A cutting tool according to an embodiment of the invention includes: a column-like shaped body having a cutting edge located at a front end part thereof and a flute which is located at an outer peripheral part thereof and is continuous with the cutting edge; a front taper connected to a rear end part of the body and having a larger diameter as separating from the body; a column-like shaped step connected to a rear end part of the front taper and having a larger diameter than the body; a rear taper connected to a rear end part of the step and having a larger diameter as separating from the step; a column-like shaped shank connected to a rear end part of the rear taper and having a larger diameter than the step; and a front connection member located in a region including the front taper and the step.
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