Temporary duct liner interconnect device

Details Temporary duct liner interconnect device Temporary duct liner interconnect device

1984-11-09

1986-03-04

Husar, Cornelius J.

Pipe joints or couplings

With lubrication

285419, 285DIG4, 24517, F16L 1700

Patent

active

045737150

ABSTRACT:
A duct liner interconnecting device for temporarily interconnecting the ends of sections of duct liner includes a pair of complementary semi-cylindrical elements hinged together along one edge for movement from an open position in which the elements are side by side to a closed position in which the elements form a short tubular member with a longitudinal channel to receive the ends of duct liner sections to be interconnected, a pair of arcuate spring clips pivotally attached to one of the elements releasably latch the elements together in the closed position, and a tapped aperture in one of the elements receives a lubrication fitting to allow the introduction of lubricant into the duct liner to facilitate pulling of lightguide cable through the duct liner.

REFERENCES:
patent: 411942 (1889-10-01), Teutsch
patent: 689541 (1901-12-01), Cunningham
patent: 1012345 (1911-12-01), Ferguson
patent: 3007722 (1961-11-01), Anderson et al.
patent: 3565213 (1971-02-01), Heller
patent: 3711632 (1973-01-01), Ghirardi
patent: 4168091 (1979-09-01), Boomgarden et al.
patent: 4248459 (1981-02-01), Pate et al.
patent: 4273367 (1981-06-01), Keeney et al.
patent: 4328983 (1982-05-01), Gibson
patent: 4443031 (1984-04-01), Borsh et al.

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