Patent ID: 9618717
Date: 2017-04-11
CPC Classifications: G02B

Claim:
1. An optical fiber unit comprising: a plurality of optical fibers; and at least three bundling members that bundle the plurality of optical fibers into a bundle, wherein: a first bundling member, among the at least three bundling members, is arranged along a length direction of the bundle of the optical fibers so as to be wound on an outer circumference of the bundle of the optical fibers; the first bundling member is joined with a second bundling member at a contact point where the first bundling member contacts the second bundling member, and is joined with a third bundling member at a contact point where the first bundling member contacts the third bundling member, the third bundling member being different from the second bundling member; the first bundling member's winding direction with respect to the bundle of the optical fibers is reversed at the contact point with the second bundling member and at the contact point with the third bundling member; and the plurality of optical fibers are bundled by the at least three bundling members including the first bundling member, the second bundling member, and the third bundling member.