JPH049905U - - Google Patents

Description

[Brief explanation of drawings]

Fig. 1 is a diagram showing an embodiment of this invention, A and B are a plan view and a side view, respectively, with the case (top) removed, and Fig. 2 is a diagram showing a conventional corded optical fiber coupler. A is a plan view, B is a front view, FIG. 3 is a diagram showing the inside of the case of the optical fiber coupler in FIG. 2, A and B are a plan view and a side view, respectively, with the case (top) removed; 4 is a longitudinal sectional view of the optical fiber cord, and FIG. 5 shows a case where the optical fiber 2 in the optical coupler of FIG. 3 A is bent due to a drop in ambient temperature. FIG.

Claims (1)

[Scope of Claim for Utility Model Registration] For optical fibers of a predetermined length that are led out from both ends of an optical fiber coupler element enclosed in a cylindrical case, a portion near both ends of the optical fiber is A guide pipe with a slightly larger inner diameter is covered, and a cord coating is placed on the optical fiber adjacent to the guide pipe, and the starting ends of the series of optical fiber coupler elements, the guide pipe, and the cord coating are each placed in a common cylindrical case. An optical fiber coupler with a cord, which is housed and fixed inside.