Flexible conduit system

Details Flexible conduit system Flexible conduit system

1978-02-06

1981-02-03

Callaghan, Thomas F.

Pipe joints or couplings

Essential catch

Leaf spring

248 74B, 285150, 285161, 285322, 285419, 285DIG4, F16L 2106, F16L 4700

Patent

active

042484596

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: 683312 (1901-09-01), Marquardt
patent: 767893 (1904-08-01), Jewell
patent: 1001069 (1911-08-01), Nielsen
patent: 2383692 (1945-08-01), Smith
patent: 2784987 (1957-03-01), Corcoran
patent: 3224800 (1965-12-01), Fisher
patent: 4013310 (1977-03-01), Dye
patent: 4103941 (1978-08-01), Stoll

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