Boring or penetrating the earth – With above-ground means for handling drilling fluid or cutting – Fluid or cuttings directing or receiving means engaging bore...
Patent
1975-06-02
1976-11-16
Purser, Ernest R.
Boring or penetrating the earth
With above-ground means for handling drilling fluid or cutting
Fluid or cuttings directing or receiving means engaging bore...
175 60, 277DIG6, E21B 4902
Patent
active
039918386
ABSTRACT:
A self-centralizing sealed diverter for aiding the surface collection of underground samples including a rigid casing driven into the ground to line a partially drilled hole, a rigid chamber mounted above and firmly but removably attached to the casing to receive drill samples, a sleeve fastened to the top of the chamber and including a stuffing box having a self-lubricating stuffing gland which lines the box, a journal removably mounted on the top of the sleeve for journalling a drill rod and for axially locating initially the stuffing gland, a casing including a bearing for aligning the rod with respect to a drill head, a protective top-plate attached to the bearing casing, and a pressed-in bush interposed between the rod and the bearing.
REFERENCES:
patent: 2145192 (1939-01-01), Pennington
patent: 3173502 (1965-03-01), Overby
patent: 3788423 (1974-01-01), Nittinger
patent: 3841421 (1974-10-01), Matsushita
patent: 3868832 (1975-03-01), Biffle
Pate III William F.
Purser Ernest R.
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