Drilling apparatus with percussive action cutter

Details Drilling apparatus with percussive action cutter Drilling apparatus with percussive action cutter

2007-03-26

2008-12-09

Bagnell, David J (Department: 3672)

Boring or penetrating the earth

Processes

C175S296000, C175S297000, C175S415000

Reexamination Certificate

active

07461706

ABSTRACT:
A drilling apparatus includes a cutting structure defined by a percussive action cutter and at least one other cutter. The percussive action cutter is adapted to be urged in a drilling direction by hydraulic pressure force, while the other cutter is urged in a drilling direction by mechanical force.

REFERENCES:
patent: 2819041 (1958-01-01), Beckham
patent: 2873093 (1959-02-01), Hildebrandt
patent: 2942579 (1960-06-01), Morrison
patent: 2942851 (1960-06-01), Beck
patent: 3066749 (1962-12-01), Hildebrandt
patent: 3297099 (1967-01-01), Adams et al.
patent: 3387673 (1968-06-01), Thompson
patent: 3429390 (1969-02-01), Bennett
patent: 3807512 (1974-04-01), Pogonowski et al.
patent: 6186248 (2001-02-01), Silay et al.
patent: 3819462 (1990-05-01), None
patent: 197 36 858 (1999-01-01), None
patent: 199 50 599 (2001-03-01), None
patent: 222822 (1925-06-01), None
patent: 2 345 931 (2000-07-01), None
patent: 1730420 (1992-04-01), None
International Search Report for PCT/GB02/02575 completed Jul. 26, 2002.

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