Measuring and testing – Sampler – sample handling – etc. – Capture device
Patent
1995-05-02
1997-02-25
Chilcot, Richard
Measuring and testing
Sampler, sample handling, etc.
Capture device
7386445, G01N 104
Patent
active
056061390
ABSTRACT:
A soil probe includes an annular cutting shoe for directing soil into the probe. The cutting shoe has a connecting flange with the groove formed on its outer surface. A sample tube is removably attached at its lower end to the cutting shoe and is adopted to be removably attached at its upper end to the end of a probe rod string. The retainer has an inner surface with a lip formed thereon for engaging the groove of the connecting flange. The lip is securely maintained in the groove by the positioning of the retainer between the inner surface of the sample tube and the outer surface of the connecting flange. A liner is positioned inside of the sample tube for receiving a soil sample. The liner and the retainer are connected together so that the retainer limits buckling of the liner during sampling due to the engagement of soil being sampled with the interior surface of the liner.
REFERENCES:
patent: 2378484 (1945-06-01), Johnston et al.
patent: 5186263 (1993-02-01), Kejr et al.
patent: 5417122 (1995-05-01), Casey et al.
patent: 5419211 (1995-05-01), Rodel et al.
Geoprobe Systems 1993-1994 Equipment and Tools Catalog, pp. 4.1 to 4.16. (1994).
Christy Thomas M.
Kejr Melvin P.
Wittig Volker
Chilcot Richard
Kejr Engineering, Inc.
Noori Max H.
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