Mining or in situ disintegration of hard material – Cutter tooth or tooth head – Insert or tip mounting feature
Reexamination Certificate
2008-08-28
2011-10-11
Kreck, John (Department: 3672)
Mining or in situ disintegration of hard material
Cutter tooth or tooth head
Insert or tip mounting feature
Reexamination Certificate
active
08033616
ABSTRACT:
A degradation tool or assembly comprises an inverted conical face formed in a top end of a tool body, which top face tapers towards a central axis of the tool body. A base end of a carbide bolster is adapted to be brazed to the inverted conical top face. At least one protrusion is formed in the top face and is adapted to control a braze thickness between the top face of the tool body and the base end of the carbide bolster.
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Hall David R.
Smith Jacob D.
Brinks Hofer Gilson & Lione
Kreck John
Schlumberger Technology Corporation
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