MOUNTING DEVICE FOR FLANGE OF HOLLOW MEMBER

摘要

PROBLEM TO BE SOLVED: To provide a flange mounting device of simple structure for mounting a flange for hollow member having a locking mechanism to the core end of a paper tubing, etc. SOLUTION: A mounting device for a flange 20 for hollow member is to expand the tip of an insert member to the end of hollow member by swinging a swing member in its axial direction, in which two pawls 42 for swinging the swing piece are installed revolvingly on a drive shaft 37 which is moved in the axial direction through links 39-41. The pawls 42 are expanded and contracted relative to each other by the first stroke movement in the axial direction of the drive shaft 37 and are moved in the axial direction by the second stroke movement following the first.