发明名称 |
DEVICE FOR SEALING A PLASTIC PIPE EXTENDING THROUGH A PARTITION |
摘要 |
Arrangement seals off a plastic pipe passing through a wall in the event of a fire has a metal component with a flange for fixing to the wall and a tubular part standing out from the wall through which the plastic pipe passes; it has also one end which is radial to the plastic pipe and tubular part contains a layer of intumescent material. A pre-stretched tension spring is placed round the plastic pipe and near the sleeve; the pipe has also a wrapping of flat thermally insulating, plastic, and fire-resistant material; this material extends into the tubular part of the sleeve and beneath the intumescent layer but covering the spring; this spring is embedded in and/or bonded to the wrapping which is a fabric or met of glass or borosilicate fibres. |
申请公布号 |
AU8416191(A) |
申请公布日期 |
1991.12.31 |
申请号 |
AU19910084161 |
申请日期 |
1991.05.31 |
申请人 |
MINNESOTA MINING AND MANUFACTURING COMPANY |
发明人 |
JUERGEN GOEBELL;KOOS LUITWIELER;MARVIN H CHRISTMANN |
分类号 |
A62C3/16;F16L5/04 |
主分类号 |
A62C3/16 |
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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