Split duct with integral hinge

Details Split duct with integral hinge Split duct with integral hinge

1976-12-28

1979-11-27

Martin, Jr., William D.

Pipes and tubular conduits

Combined

With hose protector

16150, 138 99, 138177, 174 68C, 285419, F16L 5700

Patent

active

041755936

ABSTRACT:
Ducting particularly suited for placement over an existing cable run comprises a tubular duct, for example glass filament wound epoxy duct, the wall of which is slit along the length thereof. Opposed to the slit the wall is weakened e.g. by perforating to form integral hinges upon which the duct may be hinged open for the introduction of the cable therein.

REFERENCES:
patent: 2292176 (1942-08-01), Tate
patent: 2594838 (1952-04-01), Alexander et al.
patent: 2653887 (1953-09-01), Slayter
patent: 3002534 (1961-10-01), Noland
patent: 3191632 (1965-06-01), Keiding
patent: 3203653 (1965-08-01), Hall
patent: 3711632 (1973-01-01), Ghirardi

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