Pipe joints or couplings – Sleeve – Dependent
Patent
1982-03-19
1984-09-11
Callaghan, Thomas J.
Pipe joints or couplings
Sleeve
Dependent
285DIG4, 285DIG22, F16L 2106
Patent
active
044706227
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: 234799 (1880-11-01), Neely
patent: 1649752 (1927-11-01), Stone
patent: 3006663 (1961-10-01), Bowne
patent: 3711633 (1973-01-01), Ghirardi et al.
Fochler Helmut P.
Pate Harold T.
Callaghan Thomas J.
Laney William R.
Thyssen-Bornemisza Inc.
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