H - Electricity – 01 – B
Patent
H - Electricity
01
B
H01B 11/00 (2006.01) G02B 6/44 (2006.01) H01B 7/28 (2006.01) H01B 7/285 (2006.01) H01B 7/288 (2006.01)
Patent
CA 2096567
A communication cable includes a core comprising at least one transmission medium and a sheath system which is disposed about the core. Means are disposed within the cable for preventing the longitudinal migration of water through the cable core, said means including both a hydrophilic material and a hydrophobic material in cooperative communication with each other. Specifically, a hydrophilic, water- absorptive material is supported by a yarn which is helically wrapped about various sections of the communication core. In a copper cable, the water- absorptive yarn may be wrapped about individual twisted pair conductors or a unit consisting of a plurality of twisted pair conductors or the cable core itself. In addition to the helically-wrapped, water-absorptive yarn, the cable of the present invention includes a hydrophobic, water-blocking material interdisposed to fill all voids and interstices within the communication core.
L'invention est un câble de communication comportant une âme faite d'au moins un support de transmission, ladite âme étant entourée d'une gaine. Un élément est incorporé au câble pour empêcher la migration longitudinale de l'eau dans l'âme du câble, cet élément étant constitué d'un matériau hydrophile et d'un matériau hydrophobe en communication coopérative l'un avec l'autre. Plus exactement, un matériau hydrophile absorbant l'eau repose sur un fil enroulé hélicoïdalement sur diverses sections de l'âme de communication. Dans un câble de cuivre, le fil absorbant l'eau peut être enroulé sur des paires de conducteurs torsadés individuelles, ou sur une unité constituée d'une pluralité de paires de conducteurs torsadés ou sur l'âme même du câble. En plus du fil absorbant l'eau enroulé hélicoïdalement, le câble de la présente invention contient un matériau hydrophobe bloquant l'eau posé de façon à remplir tous les vides et interstices de l'âme de communication.
Arroyo Candido John
Hancock David Shepherd
Malluck John Francis
Mitchell David Marshall
Sheu Jim Jenqtsong
American Telephone And Telegraph Company
Kirby Eades Gale Baker
LandOfFree
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