| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a tubing device which can easily remove a chuck plate attached to an internal peripheral face of a chuck collar.SOLUTION: A removal member 26 is attached to a removal member attachment recess 32 formed at an internal peripheral face of a chuck collar 24 of a tubing device, and a chuck plate 25 is attached to the chuck plate attachment recess 31. A removal bolt 35 is screwed to a female screw hole 35a formed at the removal member, and by a reaction by which a tip of the removal bolt abuts on a bottom face of the removal member attachment recess, the removal member and the chuck plate are removed from the attachment recesses.</p> |
