| 摘要 |
<p>PURPOSE:To load and lay an optical cable into a duct by attaching freely attachably and detachably a coupling clamp provided with a collet chuck and attaching a bushing, which pierces and supports the end of the optical cable, freely attachably and detachably and airtightly to a stopper fitted airtightly to the terminal part of a flexible tube. CONSTITUTION:A bushing 22 is pierced by an optical cable A, and the front end part of a tension member B led out from the terminal of the optical cable A is inserted into a collet chuck 19, and a clamping nut 17 is engaged tightly with the front end part of a coupling clamp 16 and is fixed firmly to couple it to a tension member 13 stuck to an anchor rod 7 by caulking through the coupling clamp 16. A connector D attached to each of front end parts of plural optical cores C exposed from the terminal of the optical cable A is stored in each storage chamber 15 of an optical cable A is stored in each storage chamber 15 of an optical core connector clamp 14 fixed to the tension member 13 by fitting, and the stored connector D is fixed in the storage chamber 15 by taping or the like. Thus, the optical cable A is led into a laid duct and is laid there.</p> |
