BigPatents India

The present invention relates to a method for manufacturing an optical cable comprising at least one optical fiber placed in a protective sheath having two coaxial tubes, the inner tube thereof, made of plastic material, contains said fiber, said method consisting in: producing a first tube made of plastic material in which at least one optical fiber is placed, said optical fiber having a length more than the length of said tube, and surrounding said first tube with a second tube, said method being characterized in that; said second tube is made of metal, and that it further consists in: forming said second tube around said first tube from a metal tape whose longitudinal edges are progressively joined around said first tube while being fixed to each other, and shrinking said second tube around said first tube.