Apparatus for making a subterranean tunnel

Details Apparatus for making a subterranean tunnel Apparatus for making a subterranean tunnel

1987-12-15

1989-04-25

Massie, IV, Jerome W.

Boring or penetrating the earth

With signaling, indicating, testing or measuring

Tool position direction or inclination measuring or...

175 61, 175 62, 175 67, 175 74, E21B 708, E21B 1060, E21B 47024

Patent

active

048238880

ABSTRACT:
The invention provides apparatus for making a tunnel. A flexible tube connects to a head consisting of a body and a nose mounted for movement thereon. The nose has an abutment face adjustable in position relative to said body, and carries a nozzle. The nose may be a bevelled cylinder which may be rotatable relatively to the body by a steering mechanism or be conical and be tiltable by jacks operable from above the ground.

REFERENCES:
patent: 2783972 (1957-03-01), Fehlmann
patent: 3525405 (1970-08-01), Coyne et al.
patent: 3536151 (1970-10-01), Aarup
patent: 4396073 (1983-08-01), Reichman et al.
patent: 4674579 (1987-06-01), Geller et al.
patent: 4714118 (1987-12-01), Baker et al.

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