Broaching tool
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Aug 4, 1992
Grant Date -
N/A
app pub date -
Jan 29, 1991
filing date -
Jan 29, 1991
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A broaching tool includes a holder and a plurality of broaching inserts mounted therein. Spacers are situated between successive pairs of inserts and are formed of a tougher material than the inserts. Each spacer includes a reinforcing web which abuts against a rear surface of its respective leading insert. The reinforcing web extends higher than a lower level of the cutting edge of that respective leading insert, so as to reinforce that insert. The web terminates short of its respective trailing insert, whereby a space is formed between the reinforcing web and the trailing insert for receiving chips formed by the latter.
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