Patent ID: 7927025

Claim:
An optical fiber branch cable in which, in a middle of a multi-core optical fiber cable of a trunk line having plural optical fibers, a tensile-strength wire, and a cable jacket, one or more branch portions for said optical fibers are disposed, wherein said branch portion comprises: a base member which is attached so as to cover said tensile-strength wire in a portion where said cable jacket of said multi-core optical fiber cable is removed away; an optical connector which is connected to a tip end of said optical fiber drawn out from said multi-core optical fiber cable; an extra-length housing portion which houses an extra length of said optical fiber to which said optical connector is connected; a connector attaching portion to which said optical connector is attachable in a plural number, and the connector attaching portion is located in a vicinity of the extra-length housing portion; and a circular outer shell cover comprising a plurality of sectional portions, obtained by assembling the plurality of sectional portions, and wherein: the multi-core optical fiber cable is a cable having a slotless structure in which the plural optical fibers are housed in a middle portion of the multi-core optical fiber cable, and the tensile-strength wire is placed in the cable jacket formed in a periphery thereof, and the extra-length housing portion comprising at least one barrel portion around which the optical fiber drawn out from the multi-core optical fiber is wound.