发明名称 Clamp Systems and Methods for Pile Drivers and Extractors
摘要 A clamp member for use in securing a vibratory device to a pile comprises a structural portion and a surface layer. The structural portion defines peaks and valleys. The surface layer is formed on the structural portion and defines an engaging surface. The surface layer defining a thickness dimension of at least approximately 0.0025 inches and a grit of at least approximately 180 Emery.
申请公布号 US2013149040(A1) 申请公布日期 2013.06.13
申请号 US201313762194 申请日期 2013.02.07
申请人 AMERICAN PILEDRIVING EQUIPMENT, INC.;AMERICAN PILEDRIVING EQUIPMENT, INC. 发明人 EVARTS KINGSLEY S.
分类号 E02D13/00 主分类号 E02D13/00
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