H - Electricity – 02 – G
Patent
H - Electricity
02
G
337/12
H02G 15/24 (2006.01) H02G 9/10 (2006.01) H02G 15/117 (2006.01)
Patent
CA 1236184
ABSTRACT OF THE DISCLOSURE A multi-conductor communications cable joining system includes a multi-conductor pair feeder cable having an air core adapted to be filled with pressurized air. A continuous multi-conductor pair distribution cable has a filling compound therein which surrounds the conductor pairs therein to prevent the ingress of moisture. This distribution cable includes an elongated dry end portion devoid of the filling compound with the conductor pairs in the dry end portion being free of the filling compound. A single air tight splice connects selected conductor pairs of the feeder cable to the conductor pairs in the dry end portion of the distribution cable. This splice is in air tight sealed relation to the feeder and distribution cables to prevent escape of air to the external environment. A dam is located in the dry end portion of the distribution cable and acts in use as a barrier preventing the flow of air from the pressurized feeder cable into and along the distribution cable, and also acts to avoid contamination of the pressurized feeder cable by filling compound from the distribution cable.
486517
Gowling Lafleur Henderson Llp
Pirelli Cables Inc.
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