发明名称 Support pile with two shielded props
摘要 The invention concerns a support pile with two shielded props, for example a jib or lemniscate pile. According to the invention, the support points 6, 7 of the two props 4, 5 on the cap 1 are not located in a same transverse plane of the pile. Application: support-propping in mines. <IMAGE>
申请公布号 FR2537205(A1) 申请公布日期 1984.06.08
申请号 FR19820020527 申请日期 1982.12.06
申请人 MANCHE ATELIERS CHANTIERS 发明人 ALAIN DOLE ET JEAN-CLAUDE LEUILLER;LEUILLER JEAN-CLAUDE
分类号 E21D23/00;E21D23/04;(IPC1-7):E21D23/04;E21D19/00 主分类号 E21D23/00
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