Threading insert with cooling channels
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United States of America Patent
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Oct 25, 2005
Grant Date -
Dec 2, 2004
app pub date -
May 30, 2003
filing date -
May 30, 2003
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A metalworking apparatus includes a threading insert with a channel-less chip breaker and a holder for holding the threading insert. The threading insert includes (i) one cooling channel disposed on the top side of the threading insert for each crest and each valley, which terminates near the cutting region, and (ii) a ceramic coating on at least the cutting region of crests and valleys, with each cooling channel being uncoated.
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