发明名称 INFLATABLE MINE SUPPORT PACK
摘要 ABSTRACT: An inflatable mine support 10 for a hanging wall 14, having an inflatable bag 12 and a settable polyurethane foaming composition (not shown). Upon the introduction of the foaming composition within the inflatable bag 12, the foam expands and the bag 12 is inflated, thereby providing a rigid support once the foam has hardened.
申请公布号 WO03085234(A1) 申请公布日期 2003.10.16
申请号 WO2003IB01323 申请日期 2003.04.10
申请人 HELLMANN, NEIL, CHRISTOPHER 发明人 HELLMANN, NEIL, CHRISTOPHER
分类号 B29C44/18;E21D15/48;(IPC1-7):E21D15/48;C04B26/12;C04B26/16 主分类号 B29C44/18
代理机构 代理人
主权项
地址