Radius endmill
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Apr 20, 2010
Grant Date -
Nov 6, 2008
app pub date -
Nov 4, 2005
filing date -
Mar 28, 2005
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A radius endmill has a peripheral cutting edge, a bottom cutting edge, and a rounded corner cutting edges whose ridge line is defined by a circular arc having a given radius as measured in a side view of the endmill that is parallel to the axis. The rounded corner cutting edge is located in a corner portion of the endmill in which the outer peripheral and the axial end intersect each other such that the peripheral cutting edge and the bottom cutting edge are connected to each other through the rounded corner cutting edge. The bottom cutting edge has a radially inner end lying at the axis, and a radially outer end at which the bottom cutting edge is connected to the rounded corner cutting edge. The bottom cutting edge is curved such that its ridge line is defined by a circular arc as seen in a plan view of the endmill that is perpendicular to the axis.
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Cited Art Landscape
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