FITTING STRUCTURE ON UNDERCUT

摘要

PROBLEM TO BE SOLVED: To provide a fixing structure of an undercut which ensures steady removal of a molding out of the mold not only without damaging its appearance but also without damaging the corner forming the undercut even though an insert exist therein which is different in the direction of removal. SOLUTION: The structure is equipped with the insert 1 forming the undercut 44 of the mold 4, and the guide shaft 5 which connects the same insert 1 in a way that it can move up and down freely in any direction through the universal joint 3.