发明名称 SHALLOW LAYER SOIL SAMPLING METHOD AND WATERLESS DIGGING SOIL SAMPLER
摘要 PROBLEM TO BE SOLVED: To provide a shallow layer soil sampling method and waterless digging soil sampler excellent in promptness and moveability capable of restraining noises and vibration and easily executing the sampling work even by one worker. SOLUTION: A small-sized drill is connected to a small-sized soil sampler and drilling is carried out by a waterless digging, so that a small soil sample of 25 mm to 40 mm in diameter is taken within a range of 2 to 3 m in depth from the ground surface.
申请公布号 JP2001159291(A) 申请公布日期 2001.06.12
申请号 JP19990343898 申请日期 1999.12.02
申请人 TAKENAKA KOMUTEN CO LTD;TAKENAKA DOBOKU CO LTD;TOKYO SOIL RESEARCH:KK 发明人 KIMURA GEN;IWAMOTO HIROSHI;HATANAKA MUNENORI;SHIRAI KATSUMI;YABE SEIICHI;OKUDA NOBUYASU;MORISHIMA AKIRA;OHARA ATSURO
分类号 E21B25/00;(IPC1-7):E21B25/00 主分类号 E21B25/00
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