Device for soil sampling under water

Details Device for soil sampling under water Device for soil sampling under water

1974-10-16

1976-04-06

Shapiro, Jacob

Tool driving or impacting

Automatic control of power operated means

Tool advance causing or controlling means

173 91, 173137, 175 6, 175 20, 175100, E02D 104

Patent

active

039480585

ABSTRACT:
The device features its housing carrying the soil sampling ing socket and the striker arranged coaxially to said socket, and adapted to act thereupon and establish some chambers in said housing, which are alternatively communicated, through the inlet fitting and the piping connected thereto, with a source of compressed air for the striker to perform forward and return strokes. The piping portion immersed in water is essentially a rigid pipe joined with the inlet fitting by way of an axially spring-loaded sleeve whose one end is rigidly connected to said pipe. Arranged along said pipe is another pipe rigidly coupled thereto and serving for used-up gas to discharge from said chambers to the water surface.
Such a device is applicable for soil sampling at depths amounting to several scores of meters.

REFERENCES:
patent: 3561546 (1971-02-01), Craig
patent: 3705633 (1972-12-01), Sudinishnikov et al.
patent: 3756328 (1973-09-01), Sudinishnikov et al.

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