Patent ID: 6704482
Filing Date: 2004-03-09
Classification: G02B

Abstract:
An optical cable comprising: optical fibers; a forming pipe for housing said optical fibers; a sheath provided around said forming pipe; a pair of tension members embedded in said sheath; and a pair of rip cords similarly embedded inside said sheath; wherein:said forming pipe is fashioned using a plurality of tapes in such a way as to permit said forming pipe to be divided in their longitudinal direction; said rip cords are provided near the seams of said forming pipe; and a distance from the surface of said tension members to the inner surface of said sheath and to the outer surface of said sheath are both 0.3 mm or more, and the distance from the center of said rip cords to the inner surface of said sheath is from 0.2-fold or greater to 1.2-fold or less than the radius of said rip cords, and the distance from the surface of said rip cords to the seams of said forming pipes is 0.5 mm or less.