Well pipe extractor apparatus

Details Well pipe extractor apparatus Well pipe extractor apparatus

1990-04-23

1991-07-09

Cherry, Johnny D.

Handling: hand and hoist-line implements

Grapple

Well type

294 8625, 294 96, B66C 154, E21B 3120

Patent

active

050299247

ABSTRACT:
An apparatus for removal of tubular pipe members, and particularly PVC pipe, from in-ground securement is provided. The apparatus includes an inverted sleeve for surrounding the pipe, with an engagement plug mounted within the pipe to capture the pipe between the engagement plug and the sleeve. An expander plug is directed interiorly of the engagement plug to expand the engagement plug to accordingly grasp the pipe for removal.

REFERENCES:
patent: 818928 (1906-04-01), Walker
patent: 1259640 (1918-03-01), Leake
patent: 1474886 (1923-11-01), Boyce
patent: 1529081 (1925-03-01), Nixon
patent: 1721021 (1929-07-01), Hinderliter
patent: 1897561 (1933-02-01), Manucci et al.
patent: 2594429 (1952-04-01), Handley
patent: 2624610 (1953-01-01), Murphy
patent: 3492032 (1970-01-01), Deike
patent: 3709546 (1973-01-01), Vaughan

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