Drilling machine

Details Drilling machine Drilling machine

1987-03-16

1988-03-22

Novosad, Stephen J.

Boring or penetrating the earth

With below-ground tool drive prime mover

With below-ground feed means

175 96, 175 99, 175102, 175104, 299 56, 299 60, 299 81, E21B 418, E21C 100, E21D 106

Patent

active

047322268

ABSTRACT:
A shaft drilling machine comprises a drill head carrying drill tools thereon, a device for guiding the drill head in a shaft, a device for advancing the drill head in the shaft, and drive aggregates which are lowered into the shaft together with the drill head and driving the latter. A sluice for providing a rinsing fluid is arranged in a pilot drill. A rinsing conduit and an ascending conduit for extracting from the shaft a drilled material-rinsing fluid mixture generated during the drilling operation are connected to the sluice which is formed as a bucket wheel.

REFERENCES:
patent: 3376942 (1968-04-01), Van Winkle
patent: 3379264 (1968-04-01), Cox
patent: 4274675 (1981-06-01), Paurat et al.
patent: 4646853 (1987-03-01), Sugden et al.
"Gestangloses Schachtbohren aus dem vollen Querschnitt", by Karl H. Brummer, from Sonderdruck aus "unser Betrieb" der Deilmann-Haniel GmbH (Nr. 29/1981).
"Herstellen von Schachten mit gestanglosen Schachtbohrmaschinen", by Karl H. Brummer, from Glucklauf 121 (Nr. 11/1985).

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