发明名称 |
Mine stopping and braces therefor |
摘要 |
A mine stopping is installed in a mine passageway includes a elongate panels 18, 19, 20 extending vertically in side-by-side relation from a floor to a roof of the passageway to at least partially close the passageway. A horizontal elongate brace or braces 35 extends between the walls of the passageway adjacent to the panels and attached thereto. A vertical column 70 extends from the floor to the roof and reinforces the brace. A horizontal anchor beam extends between the passageway walls adjacent the panels and connected to the passageway floor and/or roof. The braces are extendable to cater with different sized passageways. There may be an inclined brace engaging the passageway floor and the panels, Fig 10.
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申请公布号 |
GB2384795(A) |
申请公布日期 |
2003.08.06 |
申请号 |
GB20030002305 |
申请日期 |
2003.01.31 |
申请人 |
* JACK KENNEDY METAL PRODUCTS & BUILDINGS, INC. |
发明人 |
WILLIAM R * KENNEDY;JOHN M * KENNEDY |
分类号 |
E21F1/10;(IPC1-7):E21F1/14;E21F17/103 |
主分类号 |
E21F1/10 |
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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