Pin mirror cutter, and throw-away tip mounted on the pin mirror cutter
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United States of America Patent
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May 10, 2011
Grant Date -
Aug 2, 2007
app pub date -
Oct 26, 2004
filing date -
Nov 4, 2003
priority date (Note) -
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status (Latency Note)
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Abstract
A throw-away tip is mounted on a first tip mounting seat of a pin mirror cutter. In the throw-away tip, cutting edges are formed at intersecting ridgeline parts between a pair of oppositely disposed long side faces of a substantially trapezoidal flat-plate-shaped tip body, and upper and lower faces of the tip body. A thickness direction of the tip body is approximately aligned with a radial direction of the cutter body to provide curved edges formed in acute corner parts of the tip body for cutting. The tip is mounted on a second tip mounting seat of the pin mirror cutter such that the thickness direction of the tip body is approximately aligned with an axial direction of the cutter body to provide curved edges formed in obtuse corner parts of the tip body for cutting.
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