Communication cable having water blocking strength members

Details Communication cable having water blocking strength members Communication cable having water blocking strength members

H - Electricity

01

B

337/9

H01B 7/28 (2006.01) G02B 6/44 (2006.01) H01B 7/288 (2006.01)

Patent

CA 1323672

- 13 - Abstract A communications cable (20) comprising a core (22) of at least one transmission media and a plastic jacket (34) includes provisions for preventing the movement of water within the cable. The cable includes a strength system (32) including longitudinally extending fibrous strength members (33-33) having a relatively high modulus and having water blocking provisions. In one embodiment, each fibrous strength member is treated with a superabsorbent liquidmaterial which when dry fills interstices and covers portions of the exterior thereof. In another embodiment, a filamentary strand material comprising a waterswellable fibrous material is wrapped about each fibrous strength member.

603394

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