Measuring and testing – Hardness – By penetrator or indentor
Patent
1998-06-02
1999-03-23
Raevis, Robert
Measuring and testing
Hardness
By penetrator or indentor
G01N 300
Patent
active
058862536
ABSTRACT:
Penetrometer comprising a probe with a conical nose, a cylindrical friction casing, and means for measuring axial friction forces acting on the friction casing when the probe is advanced in an area of ground which is to be analysed.
The probe furthermore has a conical casing and means for measuring the axial forces acting on the conical casing.
The conicity of the conical casing is so minor that the conical casing causes a displacement of the surrounding ground which is directed substantially transverse to the axial direction of the probe.
REFERENCES:
patent: 5042595 (1991-08-01), Ladanyi
Raevis Robert
Verenigde Bedrijven Van den Berg Heerenveen Holding B.V.
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