Mining or in situ disintegration of hard material – Cutter tooth or tooth head – Insert or tip mounting feature
Reexamination Certificate
2011-05-31
2011-05-31
Singh, Sunil (Department: 3672)
Mining or in situ disintegration of hard material
Cutter tooth or tooth head
Insert or tip mounting feature
C175S435000
Reexamination Certificate
active
07950746
ABSTRACT:
An attack tool for degrading materials is disclosed which comprises a base segment comprising an attachment to a driving mechanism, a first wear-resistant segment bonded to the base segment, a second wear-resistant segment bonded to the first wear-resistant segment at a brazed joint opposite the base segment, and at least a portion of exterior surfaces of both the wear-resistant segments proximate the joint, the portion of exterior surfaces comprising a finish ground surface.
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Barnhill Michael
Crockett Ronald B.
Fox Joe
Hall David R.
Jepson Jeff
Holme Roberts & Owen LLP
Schlumberger Technology Corporation
Singh Sunil
LandOfFree
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