Boring or penetrating the earth – Bit or bit element – Specific or diverse material
Patent
1996-05-31
1998-09-08
Tsay, Frank
Boring or penetrating the earth
Bit or bit element
Specific or diverse material
E21B 1046
Patent
active
058031960
ABSTRACT:
The present invention is directed to an improved, stabilized drill bit including a shank disposed about a longitudinal axis for receiving a rotational drive source, a gauge portion and a face portion which includes a number of symmetrically arranged blades which themselves include radially situated cutting elements disposed at an exaggerated cutting angle.
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Diamond Products International
Tsay Frank
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