Pipe joints or couplings – Connector for conduit housing electromagnetic line: – Having box and connector
Patent
1984-02-17
1986-09-16
Arola, Dave W.
Pipe joints or couplings
Connector for conduit housing electromagnetic line:
Having box and connector
285236, 285373, 285383, 285420, F16L 4100
Patent
active
046118357
ABSTRACT:
A pipe coupling for coupling the ends of pipes which may or may not have spigots at the ends and in which there may be variations in the diameters of the pipe ends and/or the spigots. A circular gasket spans the ends of the pipes being coupled. A clamping device clamps around the gasket and against the pipe ends. The gasket has a smooth, uninterrupted, intermediate exterior portion. A space or cavity is provided between this portion of the gasket and the inside of the clamping device. One or more external ribs are provided on the outside of the gasket between the intermediate portion and each end. These ribs are enlarged or enhanced in height or depth to provide the cavity between the intermediate part of the gasket and the inside of the clamping device. A spigot on the end of one pipe or both will force the intermediate part of the gasket into the cavity which provides space to accommodate the presence of spigots and variations in diameter.
REFERENCES:
patent: 1801091 (1931-04-01), Krauss
patent: 2302617 (1942-11-01), Little
patent: 3341232 (1967-09-01), Deakins
patent: 3479066 (1969-11-01), Gittleman
patent: 3558164 (1971-01-01), Havell
patent: 3565468 (1971-02-01), Garrett
patent: 4189172 (1980-02-01), Perrin
Arola Dave W.
Familian Corp.
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