Flexible conduit system

Details Flexible conduit system Flexible conduit system

1982-03-30

1984-04-03

Callaghan, Thomas F.

Pipe joints or couplings

With fluid pressure seal

With separate, encased pipe-gripping means

285322, 285DIG4, F16L 4100

Patent

active

044404255

ABSTRACT:
A system of flexible conduit and fittings useful particularly, though not exclusively, for conveying, supporting and connecting electrical service cables and wires. The system includes a corrugated, synthetic resin conduit which is flexible and mechanically strong, connector sleeves for clampingly engaging sections of the corrugated conduit in end-to-end relation, and hanger sleeves for clampingly engaging the conduit and suspending it from a wall or similar surface. A novel electrical outlet box is provided and includes internally toothed conduit-receiving inlet fittings for securely engaging an end of the conduits in inlets to the box.

REFERENCES:
patent: 767893 (1904-08-01), Jewell
patent: 1103212 (1914-07-01), Kraemer
patent: 1238799 (1917-09-01), Marchand, Jr.
patent: 2253691 (1941-08-01), Darling
patent: 2277384 (1942-03-01), Bowers
patent: 2280892 (1942-04-01), Cowles
patent: 3087746 (1963-04-01), Hamilton et al.
patent: 3659880 (1972-05-01), Goldsobel
patent: 4013310 (1977-03-01), Dye
patent: 4103941 (1978-08-01), Stoll
patent: 4288112 (1981-09-01), Stoll
patent: 4328979 (1982-05-01), Stoll

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