Boring or penetrating the earth – Bit or bit element – Specific or diverse material
Patent
1995-11-13
1997-10-21
Neuder, William P.
Boring or penetrating the earth
Bit or bit element
Specific or diverse material
175429, E21C 1300
Patent
active
056786450
ABSTRACT:
Mounting apparatus is described for locking an insertable stud cutter or slug cutter or fluid nozzle into a socket on a rotatable earth boring drill bit. The cutter may be readily removed and replaced without damaging either the cutter, nozzle or bit. Apparatus are shown for permitting, or alternatively, preventing rotation of the cutter or nozzle in its socket. The mounting apparatus is particularly applicable to cutters having a cutting disk of polycrystalline diamond or other superabrasive material mounted on a carbide supporting body, or carbide body nozzles or nozzles having a bore lined with such a material.
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David Harrison, Search Report under Section 17, Appl. No. GB 96233480.2, (16 Jan. 1997).
Pastusek Paul E.
Tibbitts Gordon A.
Baker Hughes Incorporated
Neuder William P.
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