Patent ID: 11874499
Assignee: FURUKAWA ELECTRIC CO., LTD.
Field: Optics (Instruments)
Classification: CPC G | IPC G

Claim 0:
1. A reinforcement sleeve for collectively reinforcing connection parts of a plurality of optical fiber core wires disposed side by side, the reinforcement sleeve comprising:
a heat-shrinkable tube;
a heat-meltable member; and
a tension member, the heat-meltable member and the tension member being inserted into the heat shrinkable tube,
wherein:
a surface of the tension member on a side of the heat-meltable member is formed to have a convex curved surface in a cross section perpendicular to a longitudinal direction of the tension member, and
a radius of curvature of the convex curved surface of the tension member is larger than a radius of curvature of an inner surface of the heat-shrinkable tube.