Cutter head for trenchless boring machine

Details Cutter head for trenchless boring machine Cutter head for trenchless boring machine

1995-04-26

1997-11-18

Dang, Hoang C.

Boring or penetrating the earth

Bit or bit element

With fluid conduit lining or element

175394, 175397, 175406, E21B 1042, E21B 1044, E21B 1060

Patent

active

056878079

ABSTRACT:
A cutter for a trenchless boring apparatus includes a mount having a first end to be coupled to a free end of a drill pipe. A plurality of cutting teeth are secured to the mount with the teeth arranged in a helical pattern surrounding an axis of the mount.

REFERENCES:
patent: 3202228 (1965-08-01), Schuster
patent: 3763942 (1973-10-01), Levitt
patent: 3894402 (1975-07-01), Cherrington
patent: 4061197 (1977-12-01), Skidmore, Jr.
patent: 4986375 (1991-01-01), Maher
patent: 5341888 (1994-08-01), Deschutter

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