Patent ID: 8548294

Claim:
An optical fiber cable that includes optical fiber ribbons composed of 3-fiber or more mono-coated optical fibers coated at the outer circumference of optical fibers, wherein the optical fiber cable comprising: (a) a cable core portion having: (i) a plurality of units that are twisted in one direction and collected, wherein each of said units is configured with: (1) a bundle of three or more mono-coated optical fibers, wherein said bundle has a first resin portion that bonds an adjacent pair of said optical fibers at a first place, and a second resin portion that bonds said adjacent pair at a second place, wherein said first and second resin portions are separated from one another by a length of a non-resin portion that does not bond said adjacent pair, and wherein each of said first resin portion and said second resin portion has a length that is shorter than said length of said non-resin portion; and (2) a colored thread wound around an outer circumference of said bundle; and (ii) a wrapping layer wound around an outer circumference of said plurality of units; and (b) a sheath around an outer circumference of said cable core portion.