发明名称 |
SMOKE AND FIRE SHIELD DAMPER |
摘要 |
<p>A combination smoke and fire shield damper comprising a line of blades each of which is so supported for rotation in a surrounding frame that the blades are swingable about parallel axes to open or close an opening in the frame, in which the blades are provided with "opened-out" trailing edges so that the leading edge of each blade interlocks with the trailing edge of an adjacent blade when the blades are in their fully-closed positions.</p> |
申请公布号 |
CA1103975(A) |
申请公布日期 |
1981.06.30 |
申请号 |
CA19780305812 |
申请日期 |
1978.06.20 |
申请人 |
ACTIONAIR EQUIPMENT LIMITED |
发明人 |
MAGILL, ROBERT J.;FIELD, SYDNEY J. |
分类号 |
A62C2/14;(IPC1-7):24F13/14 |
主分类号 |
A62C2/14 |
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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