Soil sampling apparatus and a geological observation method usin

Details Soil sampling apparatus and a geological observation method usin Soil sampling apparatus and a geological observation method usin

1997-08-29

2000-01-04

Neuder, William

Boring or penetrating the earth

Boring without earth removal

Combined with earth removal

175 21, 175 58, 7386441, 7386444, E21B 4902

Patent

active

060099585

ABSTRACT:
A soil sampling apparatus includes a sampling box for penetrating the ground first, and a shutter plate for subsequently penetrating the ground while engaging with the sampling box, thereby sampling soil layers located in a space surrounded by the sampling box and the shutter plate.

REFERENCES:
patent: 828527 (1906-08-01), Ankeny
patent: 1919461 (1933-07-01), Burke et al.
patent: 3373826 (1968-03-01), Ingram
patent: 4244614 (1981-01-01), Madsen
patent: 5474141 (1995-12-01), Hart

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