Cutting tool
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United States of America Patent
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-
Nov 27, 2012
Grant Date -
Apr 30, 2009
app pub date -
Oct 23, 2008
filing date -
Oct 30, 2007
priority date (Note) -
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status (Latency Note)
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Abstract
A cutting tool of the sort used for deep hole drilling has a cutting head mounted on a shank. The cutting head is formed asymmetrically with respect to a longitudinal axis and has at least one cutting edge. The cutting head has guiding segments that extend from a forward end to a rear end of the cutting head. Each of the guiding segments has a guiding pad in the periphery thereof. A forward end of the guiding pad lies on a cylindrical envelope defined by the cutting diameter of the cutting tool. A rear engagement portion of the cutting head is engaged with a forward engagement portion of the shank. The cutting head is made from sintered carbide powders and the guiding pads are integrally formed with the cutting head.
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