发明名称 WATER SAMPLING DEVICE AND WATER SAMPLING METHOD
摘要 <P>PROBLEM TO BE SOLVED: To provide a water sampling device capable of performing a water permeable test and water sampling. Ž<P>SOLUTION: This water sampling device 1 comprises a first packer 3 and a second packer 4 installed in a bored hole 2, a strainer pipe 5 which connects both packers 3, 4 and which has a hole 5a for flowing underground water thereinto, a first valve 6 installed just above the first packer 3, a hollow rod 7 having one end connected to the first valve 6 and the other end connected to a holding device 8 installed on the ground, a second valve 9 installed in the rod 7, a water gauge 10 for measuring the level of the underground water in the rod 7, and a storage pump 11 which is installed on the ground and which pumps up the underground water in a district to be sampled L through the rod 7. Ž<P>COPYRIGHT: (C)2010,JPO&INPIT Ž
申请公布号 JP2009293224(A) 申请公布日期 2009.12.17
申请号 JP20080146167 申请日期 2008.06.03
申请人 OHBAYASHI CORP 发明人 ANDO KENICHI;TANAKA TATSUYA
分类号 E21B33/12;E02D1/06;E21B27/00;E21B34/16;E21B49/10;G01N1/14 主分类号 E21B33/12
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