Waterproof assembly or sealing an aperture housing

专利名称：Waterproof assembly or sealing an aperture

housing a conduit

发明人：James H. Wilson申请号：US06/209376申请日：19801124公开号：US04437687A公开日：19840320

摘要：Disclosed is apparatus for providing an extension of a conduit through anaperture in a roof or a floor of a building and for providing a seal around the aperture,the apparatus including a conduit extension adapted to extend through the aperture inthe roof. A first collar surrounds and is supported by the lower end of the conduitextension. The first collar includes a peripheral flange surrounding the aperture andbeing engageable against the roof. A second collar surrounds the upper end of theconduit extension, the second collar including a flange having a downwardly extendingperiphery. A resilient seal is located between the periphery of the second collar and theroof, and the periphery of the second collar is forced downwardly against the resilientseal for providing a seal between the collar and the roof.

申请人：WILSON; JAMES H.

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