Pipe joints or couplings – Connector for conduit housing electromagnetic line: – Having box and connector
Patent
1992-03-09
1993-05-18
Arola, Dave W.
Pipe joints or couplings
Connector for conduit housing electromagnetic line:
Having box and connector
285192, 285200, 285351, 285302, 405128, 405129, F16L 500
Patent
active
052114287
ABSTRACT:
An axially slidable pipe boot provides a substantially gas-tight seal between a gas vent pipe and a flexible barrier sheet surrounding the pipe. In a first preferred embodiment, the slidable pipe boot comprises a tubular sealing member having an internal O-ring seal. The tubular member is dimensioned to fit around the exterior of the pipe with a compression fit of the O-ring providing a sealing engagement with the pipe. An annular flange on the lower end of the tubular member is sealingly attached to the barrier sheet. In a second preferred embodiment, upper and lower tubular sealing members are axially joined together by a hollow tubular sleeve that fits around the pipe. Each of the tubular members has an internal O-ring seal that engages the exterior of the pipe with a substantially gas-tight compression fit. The lower tubular member has an annular flange that is sealingly attached to the flexible sheet. One or both of the tubular members may have an inwardly-directed annular lip, the inside diameter of which is slightly larger than the outside diameter of the pipe. The lip keeps dirt and debris out of the tubular member.
REFERENCES:
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patent: 4838733 (1989-06-01), Katz
patent: 5060986 (1991-10-01), Carter
Emerson Gerald G.
Schick Kenneth E.
Arola Dave W.
Serrot Corporation
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