Tensiometer, drive probe for use with environmental testing...

Details Tensiometer, drive probe for use with environmental testing... Tensiometer, drive probe for use with environmental testing...

2005-07-26

2005-07-26

Raevis, Robert (Department: 2856)

Measuring and testing

Moisture content or absorption characteristic of material

Reexamination Certificate

active

06920780

ABSTRACT:
A method of inserting a tensiometer into a sample, comprises providing a drive probe configured to be engaged by direct push equipment; supporting a porous member from the drive probe; and driving the drive probe into the sample using a cone penetrometer. A tensiometer comprises a drive probe configured to be engaged by direct push equipment or a cone penetrometer; a porous member supported by the drive probe; and a pressure sensor in pressure sensing relation to the porous member.

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patent: 5644947 (1997-07-01), Hubbell et al.
patent: 5758538 (1998-06-01), Hubbell et al.
patent: 5915476 (1999-06-01), Hubbell et al.

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