Mining or in situ disintegration of hard material – Cutter tooth or tooth head – Wear resistant feature for tool body
Patent
1995-02-13
1996-09-03
Dang, Hoang C.
Mining or in situ disintegration of hard material
Cutter tooth or tooth head
Wear resistant feature for tool body
299111, E21B 1000, E21C 3518
Patent
active
055517609
ABSTRACT:
A tungsten carbide tip for a cutting tool has a tapered body with a forward cutting end and a rearward base for mounting in a socket. The body has a plurality of grooves along the length thereof, which in one embodiment extend from the lower surface of the base to a point near the forward cutting end. In a second embodiment, the insert has a cylindrical inner body with a forward cutting end, and around the perimeter of the cylindrical body is a collar. Both the body and the collar are made of tungsten carbide, and the parts are bonded together by flexible material such as brazing material. The rearward surface of the base of such inserts may also be conically shaped complementary to a conically shaped lower surface of the socket into which the insert is fitted.
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Dang Hoang C.
The Sollami Company
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