Boring or penetrating the earth – Boring without earth removal – Combined with earth removal
Patent
1974-08-01
1976-05-11
Abbott, Frank L.
Boring or penetrating the earth
Boring without earth removal
Combined with earth removal
175171, 175387, 175389, 175405, E21B 1102, E21B 916
Patent
active
039556310
ABSTRACT:
The present sampler is adapted to take soil samples from the ground surface, from a borehole sunk by other tools, as well as for drilling shallow boreholes. The sampler is provided with an air-operated percussion mechanism and a soil sample receiving sleeve arranged coaxially thereto. The side surface of the sleeve is provided with an annular ridge having a diameter somewhat larger than the diameter of the percussion mechanism housing. This feature enables a reduction of the forces applied to the sampler to sink it into or withdraw it from the soil.
REFERENCES:
patent: 2176477 (1939-10-01), Varney et al.
patent: 2283650 (1942-05-01), Sanborn
patent: 2650069 (1953-08-01), Rand
patent: 2807439 (1957-09-01), Lipscomb
patent: 3154158 (1964-10-01), Lincoln
patent: 3194328 (1965-07-01), Fiore
patent: 3313357 (1967-04-01), Venghiattis
patent: 3373826 (1968-03-01), Ingram
patent: 3561547 (1971-02-01), Pullos
patent: 3700048 (1972-10-01), Desmoulins
Gurkov Konstantin Stepanovich
Kostylev Alexandr Dmitrievich
Ploschadny Viktor Yakovlevich
Rozhkov Leonid Georgievich
Tanov Evgeny Ivanovich
Abbott Frank L.
Favreau Richard E.
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