Powered soil-sampler

Details Powered soil-sampler Powered soil-sampler

1988-01-19

1990-03-13

Neuder, William P.

Boring or penetrating the earth

Boring without earth removal

Combined with earth removal

175246, 175404, E21B 1002

Patent

active

049076590

ABSTRACT:
An auger-type of device has a hollow central shaft for taking undisturbed soil samples. The tip of the device has teeth for grinding soil from around the sample. The device comprises a helical conveyor for transporting the ground product upwards and away from the soil sample.

REFERENCES:
patent: 2062257 (1936-11-01), Douglas et al.
patent: 2587231 (1952-02-01), Schierding
patent: 3047081 (1962-07-01), Pitcher
patent: 3709534 (1973-01-01), Coe
patent: 4535853 (1985-08-01), Ippolito et al.
patent: 4586857 (1986-05-01), Ohmi
patent: 4813819 (1989-03-01), Hougen
Southern State Co-operative; advertisement, No. Va.; Mar. 1986.

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