Reamer bit
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Apr 7, 2009
Grant Date -
Nov 1, 2007
app pub date -
Jun 11, 2007
filing date -
Jun 8, 2004
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A drill steel includes a drill bit and a reamer bit. The drill steel rotates the drill bit to form a hole in a work surface and drives forward to insert the reamer bit into the hole. The reamer bit includes a plurality of inserts positioned on a cylindrical drilling surface to ream out the hole by carving channels in the hole interior surface. The inserts include cutting elements that have radiused or arcuate edges.
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