Rod and pipe pusher-puller apparatus

Details Rod and pipe pusher-puller apparatus Rod and pipe pusher-puller apparatus

1981-07-13

1984-03-06

Watson, Robert C.

Implements or apparatus for applying pushing or pulling force

Pipe or rod jack

Tie rod tensioner

E21B 1900

Patent

active

044349696

ABSTRACT:
A rod and pipe pulling and pushing apparatus (10) for pulling or pushing a pipe or rod (22) through the ground. Apparatus (10) includes an elongated frame (12) with a carriage assembly (20) slideably mounted therein. The carriage assembly (20) includes a gripping means (24) for gripping a pipe or rod (22). The apparatus further has two hydraulic cylinders (80) for moving the carriage assembly (20) relative to the elongated frame (12). A rear guide plate (70) and a front guide plate (72) are present for guiding the pipe (22) in a proper direction.

REFERENCES:
patent: 1049402 (1913-01-01), Rydberg
patent: 1551214 (1925-08-01), Perrel
patent: 2056489 (1936-10-01), Scott et al.
patent: 2221325 (1940-11-01), Holman
patent: 3156963 (1964-11-01), Owen
patent: 3227419 (1966-01-01), Lackey
patent: 3620503 (1971-11-01), Bro
patent: 3645502 (1972-02-01), Stromp, Jr.
patent: 3726506 (1973-04-01), Vanderwaal
patent: 3834668 (1974-09-01), Casey
patent: 3907253 (1975-09-01), Schosek
patent: 3958825 (1976-05-01), Diamond
patent: 3966169 (1976-06-01), Schosek
patent: 4000879 (1977-01-01), Martin

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