Spiral flute tap
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
May 31, 2011
Grant Date -
Apr 24, 2008
app pub date -
Oct 18, 2006
filing date -
Oct 18, 2006
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A cutting tool that includes an elongate body that has a forward end and a rearward end. The elongate body has a fluted portion that beginning near and extends in a rearward direction from the forward end. The fluted portion has a flute that defines a cutting edge. The flute presents a concave cutting face wherein the concave cutting face is defined by a first radius. The flute further presents a concave core surface adjacent to the concave cutting face wherein the concave core surface is defined by a second radius. The flute presents a convex heel surface adjacent to the concave core surface wherein the convex heel surface is defined by a fourth radius.
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