Les Cables De Lyon

Thierry Dubar

Bernard Degoix

Didier Allemand

An underwater cable according to the invention comprises in particular of an optical core protected by a PVC sleeve 6, an armoring made of steel or aluminum wires 7, surrounded by a copper or aluminum sleeve 8. Longitudinal sealing of the armoring is ensured by an adhesive compound 10 based on epoxy resin and polybutadiene and butadiene copolymers.

Underwater optical fibre cable

In a multiple joint for underwater optical fiber cables, a first cable termination terminates at least one cable and incorporates a storage chamber for excess lengths of fiber. A connecting member is fastened to the end of said at least one cable, and a first reinforcing member laterally surrounds the first cable termination. A second cable termination terminates at least two parallel cables and incorporates a common connecting member fastened to the ends of each cable, a watertight member adapted to close it off and passages in this watertight member for respective fibers of the cables. There is a storage chamber for excess lengths of fiber on the outside of this watertight member, and a second reinforcing member laterally surrounds the second cable termination. An access cable incorporates fibers from the storage chamber in the first cable termination welded to fibers from the storage chamber in the second cable termination. The access cable is accommodated in a coupling box mechanically linking together the first and second reinforcing members. A watertight insulative coating protects the first and second cable terminations and the access cable.

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Calais, France

Thierry Dubar