发明名称 |
MINE VENTILATION PANEL SYSTEM |
摘要 |
<p>A panel system for making mine ventilation structures. The panel system comprises a plurality of elongate metal panels having flanges along sides thereof configured for overlapping one another when the panels are placed in side-by-side relation. When the panels are secured together they form a unitary load-bearing structure. Related methods and equipment for installing the panels are also disclosed.</p> |
申请公布号 |
CA2804825(C) |
申请公布日期 |
2015.05.12 |
申请号 |
CA20042804825 |
申请日期 |
2004.11.09 |
申请人 |
KENNEDY, WILLIAM R.;KENNEDY, JOHN M. |
发明人 |
KENNEDY, WILLIAM R.;KENNEDY, JOHN M. |
分类号 |
E21F1/14;E21D9/14;E21F17/103 |
主分类号 |
E21F1/14 |
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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