Inner ring press-insertion jig for a pipe member made of resin

摘要

In the invention, a press insertion rod 19 is passed through and supported by a press insertion rod supporting portion 3 of a jig body 1 in an advanceable and retractable manner. An inner ring 23 which is to be pressingly inserted into one end portion of a pipe member 14 made of resin is held by a ring holder 20. The ring holder 20 is coupled idly rotatably and detachably to a tip end portion of the press insertion rod 19 via a holder block 26.