Soil drilling

Details Soil drilling Soil drilling

1987-01-28

1988-09-13

Novosad, Stephen J.

Boring or penetrating the earth

Processes

175171, 299 11, 405146, 405150, E21B 720

Patent

active

047702567

ABSTRACT:
Soil drilling tools are provided with at least two sidewardly movable plate members adapted to exert pressure on the wall of a bore hole to prevent a cave in.

REFERENCES:
patent: 1751607 (1930-03-01), Smith
patent: 1836083 (1931-12-01), Miller
patent: 2167500 (1939-07-01), Dornfeld et al.
patent: 2837325 (1958-06-01), Biedess
patent: 3180437 (1965-04-01), Kellner et al.
patent: 3215214 (1965-11-01), Caro
patent: 3343614 (1967-09-01), Parisien
patent: 3357506 (1967-12-01), Bosredon
patent: 3559412 (1971-02-01), Fuller
patent: 3614160 (1971-10-01), Hosel et al.
patent: 3825077 (1974-07-01), Jackson
patent: 3942595 (1976-03-01), Sudnishnikov et al.
patent: 4124985 (1978-11-01), Maimets
patent: 4154311 (1979-05-01), Fischer et al.
patent: 4193461 (1980-03-01), Lamberton et al.
patent: 4247222 (1981-01-01), Schosek
patent: 4314615 (1982-02-01), Sodder, Jr. et al.
patent: 4411557 (1983-10-01), Booth
patent: 4547106 (1985-10-01), Lipsker

Affiliated with

Also associated with

Rating

Soil drilling does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Soil drilling, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Soil drilling will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-801219