Soil or snow probe

Details Soil or snow probe Soil or snow probe

2006-05-09

2006-05-09

Williams, Hezron (Department: 2856)

Measuring and testing

Hardness

By penetrator or indentor

C073S082000, C073S083000, C073S085000

Reexamination Certificate

active

07040146

ABSTRACT:
A soil or snow probe which incorporates a load cell in the probe head and also an accelerometer so that a vertical strength profile of the snow or soil can be established. The device does not need to be driven at a constant speed and can be manually driven into the soil or snow. The resistance to penetration is measured using a load cell which incorporates a low duro polymer selected for its ability to behave like a non compressible fluid. The device is portable and provides data quickly.

REFERENCES:
patent: 4382384 (1983-05-01), Mitchell et al.
patent: 4492111 (1985-01-01), Kirkland
patent: 4644805 (1987-02-01), Hafner
patent: 5831161 (1998-11-01), Johnson et al.
patent: 3834846 (1990-04-01), None
patent: 2817344 (2002-05-01), None
patent: FR 2250433 (1975-05-01), None
patent: WO 92/15000 (1992-09-01), None

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