Flexible conduit system

Details Flexible conduit system Flexible conduit system

1979-09-24

1985-06-25

Callaghan, Thomas F.

Pipe joints or couplings

Connector for conduit housing electromagnetic line:

Having box and connector

285419, F16L 4100

Patent

active

045249997

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: 420076 (1890-01-01), Kohlmyer
patent: 1138174 (1915-05-01), Bonnell
patent: 1275439 (1918-08-01), Johnson
patent: 1830250 (1931-11-01), Tiefenbacher
patent: 2790614 (1957-04-01), Miller
patent: 3099054 (1963-07-01), Spiro
patent: 3110753 (1963-11-01), Witort
patent: 3501179 (1970-03-01), Boynton et al.
patent: 3711632 (1973-01-01), Ghirardi
patent: 3711633 (1973-01-01), Ghirardi et al.
patent: 3831985 (1974-08-01), Oostenbrink
patent: 3953555 (1976-04-01), Gley

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