发明名称 Compartmented grooved rod soil sample removal unit with tubular casing - has filling slot and cutting edge moving against each other with control resulting across follower and stop ring.
摘要 The boring rod (7) has a circular cone tip (10) and a boring head (1) and connecting pins (2). The boring rod chambers (9) are designed for taking soil samples, and they can be exchanged so that different lengths and shapes are available. The soil removal unit is applied in the ground, the bore chambers (9) are closed by the surrounding tubular casing (5). With the rotation of the rod (7) clockwise, the tubular casing stays still until the chambers (9) are opened. With further movement the cutting edge (6) cuts out the soil sample. ADVANTAGE - Gives quick and interference free as possible removal of soil layers under examination, namely full vertical core sample. Simple and robust unit.
申请公布号 DE4200426(A1) 申请公布日期 1993.07.15
申请号 DE19924200426 申请日期 1992.01.10
申请人 WEINKAUF, HAROLD, O-1278 MUENCHEBERG, DE 发明人 WEINKAUF, HAROLD, O-1278 MUENCHEBERG, DE
分类号 E21B27/00;E21B49/02;G01N1/08;G01N1/16;G01N33/24 主分类号 E21B27/00
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