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.
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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 |
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代理人 |
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主权项 |
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地址 |
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