US Patent 7783147 Optical fibre drop cables

An optical fiber drop cable for suspension installation includes electrical conductors and at least one optical fiber. An electrically non-conductive reinforcing sleeve houses the conductors and the or each optical fiber. The reinforcing sleeve is housed in sheathing. In addition to or instead of the optical fiber or optical fibers, the reinforcing sleeve may house one or more elongate containers, preferably plastic tubes, for housing optical fibers.