Pile extraction apparatus

Details Pile extraction apparatus Pile extraction apparatus

1979-02-22

1981-02-03

Taylor, Dennis L.

Hydraulic and earth engineering

Foundation

Columnar structure

294 94, 294 8625, 173 49, 173130, E02D 902

Patent

active

042485509

ABSTRACT:
Pile extraction apparatus having a clamping device for clamping engagement with a pile. The device is suspended from a section of casing pipe by way of a universal joint. In this way the extraction apparatus may be raised and lowered by a commercially available pipe extraction machine.

REFERENCES:
patent: 1736104 (1929-11-01), Warrington
patent: 2080673 (1937-05-01), Roemer
patent: 2743585 (1956-05-01), Berthet et al.
patent: 3088769 (1963-05-01), Richardson
patent: 3101956 (1963-08-01), Muller
patent: 3109500 (1963-11-01), Glawon
patent: 3149851 (1964-09-01), Adams
patent: 3763654 (1973-10-01), Matsushita

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