Boring or penetrating the earth – Bit or bit element – With fluid conduit lining or element
Patent
1983-11-21
1985-08-06
Kashnikow, Andres
Boring or penetrating the earth
Bit or bit element
With fluid conduit lining or element
175422, 239600, E21B 1060, E21B 4311
Patent
active
045330050
ABSTRACT:
A nozzle includes a tungsten carbide body and threaded steel sleeve. The nozzle body includes a fluid jet opening arranged to be reoriented in response to rotation of the nozzle body. The nozzle body includes a first set of apertures for receiving a turning tool. The sleeve comprises a split sleeve retained longitudinally upon the nozzle body and is rotatable relative thereto. The sleeve threads are protectively disposed behind a flange of the nozzle body. The sleeve includes a second set of apertures which are alignable with the first set of apertures adjacent an inner end of the latter. The turning tool is engageable with (i) both sets of apertures for rotating the nozzle body and sleeve to install the nozzle, or (ii) with only the first set of apertures to rotate the nozzle body relative to the sleeve against the resistance of an O-ring to reorient the jet opening.
REFERENCES:
patent: 1805991 (1931-05-01), Metzger
patent: 2855182 (1958-10-01), Payne
patent: 2950090 (1960-08-01), Swart
patent: 3120284 (1964-02-01), Goodwin
patent: 3447755 (1966-12-01), Cartwright
patent: 4360069 (1982-11-01), Davis
patent: 4381824 (1983-05-01), Pastusek
patent: 4387854 (1983-06-01), Dupont
Kashnikow Andres
Strata Bit Corporation
Weldon Kevin Patrick
LandOfFree
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