FIELD: soil sampling. SUBSTANCE: the offered device has probe in form of tubular body with through channel forming receiving hollow for soil samples. Device also has nose connected to lower part of tubular body. Nose has cylindrical through channel whose diameter is smaller than that of through channel of tubular body. Nose has bearing protrusion. Device also has holding unit and device for positive penetration of probe into soil. Nose has, under bearing protrusion, radial protrusion separating the cylindrical through channel of nose into upper and lower parts, with lower part having diameter smaller than that of upper one. Holding unit is located in zone of bearing protrusion. EFFECT: higher efficiency. 19 cl, 20 dwg
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Authors
Dates
1997-08-20—Published
1990-02-12—Filed