| 摘要 |
<p>PROBLEM TO BE SOLVED: To sufficiently lower a cable feeding tension by previously coating an lubricating agent, for reducing a friction force between the external surface of cable and the internal surface of a conduit, to the internal surface of the conduit or coating the agent to the external surface of cable at the entrance of cable feeding conduit in the method of feeding the cable formed of a plurality of twisted cable cores into the conduit. SOLUTION: A pipe is allocated at a valley portion between cores of cable in which a plurality of cable cores, are twisted, a hole is provided at the end portion of the pipe, and the cable is fed into the conduit while the lubricant agent is supplied to the hole at the end portion of pipe from the rear end portion of the pipe.</p> |
