发明名称 Apparatus for extracting a pile
摘要 Apparatus for extracting a pile from the ground includes a drive mechanism (2) and a first conduit (1) adapted to be inserted into the ground by the drive mechanism (2) around a pile (35) to be extracted. The apparatus also includes earth removal means (4, 7, 30) that is operable to remove earth from within the first conduit when the first conduit (1) is inserted into the ground. An extraction member (20) has engagement means (21) engageable with a pile (35) to be extracted to remove the pile (35) from the ground when an upward force is applied to the extraction member (21).
申请公布号 AU2840500(A) 申请公布日期 2001.07.24
申请号 AU20000028405 申请日期 2000.01.13
申请人 DAE YANG GEOTECHNIC PTE. LTD. 发明人 TEA YOUNG HER
分类号 E02D9/02 主分类号 E02D9/02
代理机构 代理人
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