Attack tool insert with polycrystalline diamond layer
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United States of America Patent
Stats
-
Nov 10, 1992
Issued Date -
N/A
app pub date -
Jun 14, 1991
filing date -
Jan 11, 1990
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An insert for mining attack tools comprising a body portion having a longitudinal axis with a head end portion extending outwardly from one end thereof, the body portion having an endless side wall and being sized and shaped for insertion into a socket of an attack tool such that the head end portion extends outwardly from the attack tool for engaging a surface to be mined, the head end portion having a rounded tip end surface portion and an adjacent annular tapered surface portion extending from the endless side wall of the body portion to the tip end portion, and a layer of polycrystalline diamond compact attached to the head end portion of the insert.
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