COMPOSITE DESIGN OF SYMMETRICAL AND OPTICAL COMMUNICATIONS CABLE Russian patent published in 2015 - IPC H01B11/22 

FIELD: electricity.

SUBSTANCE: design includes optical fibre in polymer ribbons, a water-repelling filler, e-shaped module with the median dividing the module into two chambers with two extreme vertices connected to the median, the main reinforcing element in this module, the first auxiliary power element in external polymer coating, a water-blocking ribbon placed along inner surface of the external shell with edges overlapping, two cords tearing the external shell, which are placed symmetrically to each other closer to the module vertices and designated as protrusions at external surface of the external shell. The invention introduces a symmetric copper pair at a polymer ribbon placed over the median of the e-shaped module and junction of its two extreme vertices at the median, at that the polymer ribbon of the symmetric pair is applied with edges overlapping.

EFFECT: easy opening of the optical core, removal of optical fibre, significant reduction of moisture penetration to optical fibre, reduction of time for damage recovery at the optical cable and protection from moisture and mechanical damage at optical fibre during repair of the optical cable.

1 dwg