Drill with disposable inserts
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Oct 11, 1988
Grant Date -
N/A
app pub date -
Sep 27, 1982
filing date -
Feb 26, 1982
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An indexable disposable insert having six contiguous edge faces having alternate acute and obtuse angled corners, cutting edges being formed at the junction of at least one of the hexagonal side faces and each of the six contiguous edge faces, the hexagonal side face forming the cutting edge having a chip breaker extending around the face, the chip breaker extending inwardly from each of the cutting edges, and being tapered in plan configuration behind each alternate cutting edge.
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