Water-resistant optical cable and manufacturing method

Details Water-resistant optical cable and manufacturing method Water-resistant optical cable and manufacturing method

2011-08-09

2011-08-09

Healy, Brian M (Department: 2883)

Optical waveguides

Optical transmission cable

Loose tube type

C385S100000, C264S001280, C425S102000, C427S163200, C523S173000

Reexamination Certificate

active

07995886

ABSTRACT:
A method for manufacturing an optical cable for communication includes at least one micromodule, said micromodule being blocked with respect to the propagation of water. The method includes the steps of providing at least one optical fiber; embedding the at least one optical fiber in a pseudoplastic filling compound having a viscosity of 3 Pa·s to 30 Pa·s, preferably 7 Pa·s to 25 Pa·s at a shear rate of 10 s−1and at a temperature of 100° C., and a cross-over lower than 30 Hz, preferably 5 Hz to 25 Hz, at a temperature of 100° C.; and extruding a retaining element made of a thermoplastic polymeric composition around the at least one optical fiber so embedded in the filling compound to obtain a micromodule.

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