| 摘要 |
<p>PROBLEM TO BE SOLVED: To obtain a pipeline cap for enhancing the efficiency of cable inserting work by easily and adequately closing the end portion of an opening of a pipeline, fregardless of the presence of an existing cable when inserting a pilot rope for cable insertion by utilizing compressed air in the insertion work for a new cable through an existing cable pipeline. SOLUTION: The tip portion of a hose 2 for sending compressed air is inserted from the rear end side, and a pipeline cap is attached to the hose 2 at the rear end portion, A gripping cylindrical portion 3 opening forward, a cylindrical inserting portion 4 inserted and fitted to an opening end portion P1 of a cable pipeline P extended from the tip portion and a flange portion contacted to the end surface of the pipeline and located at the rear outer periphery are all formed into an integral body, a passing portion 6 for passing an existing cable C is provided at a portion on the outer periphery from the cylindrical inserting portion 4 to the flange portion 5 and gripping cylindrical portion 3, and an insertion hole 9 is made at a portion of the gripping cylindrical portion 3.</p> |
