Pipe joints or couplings – With support – Static building construction
Patent
1985-03-07
1987-03-03
Callaghan, Thomas F.
Pipe joints or couplings
With support
Static building construction
285162, 285419, 285903, F16L 4100
Patent
active
046470743
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: 1275439 (1918-08-01), Johnson
patent: 3099054 (1963-07-01), Spiro
patent: 3711633 (1973-01-01), Ghirardi et al.
patent: 3831985 (1974-08-01), Oostenbrink
Fochler Helmut P.
Pate Harold T.
Callaghan Thomas F.
Indian Head Inc.
Laney William R.
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