Pipe joints or couplings – Particular interface – Annular socket
Patent
1983-03-25
1984-05-08
Scanlan, Jr., Richard J.
Pipe joints or couplings
Particular interface
Annular socket
285424, F16L 2500, F16L 5500
Patent
active
044470789
ABSTRACT:
An S slip with openings along one edge to allow air to pass through, and a foam sealant to seal corners of a duct connection.
REFERENCES:
patent: 2916054 (1959-12-01), Callan
patent: 4294476 (1981-10-01), Nash
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