Patent ID: 6393686
Filing Date: 2002-05-28
Classification: B21D,Y10T

Abstract:
A method of manufacturing a button medallion comprising the steps of:a. providing a ram die with an outer ring, a pickup die, and a crimp die; b. loading a flexible laminate and a shell having an annular wall in the pickup die; c. loading a flat back having a circular periphery in the crimp die; d. locating the pickup die in operative association with the ram die and simultaneously shifting the ram outer ring to a pickup mode; e. advancing the ram die in a pickup stroke to cooperate with the pickup die and covering the shell with the laminate; f. locating the crimp die in operative association with the ram die and simultaneously shifting the ram outer ring to a crimp mode; g. advancing the ram die in a crimp stroke to cooperate with the crimp die and tucking the laminate between the periphery of the flat back and the shell and crimping a portion of the shell annular wall into a frusto-conical margin and thereby manufacturing a button with a flat back; h. transferring the button with the flat back from the crimp die to the pickup die; i. locating the pickup die into operative association with the ram die and simultaneously shifting the ram outer ring to the pickup mode; and j. advancing the ram in a third press stroke to cooperate with the pickup die and forming the shell frusto-conical margin inwardly into a substantially flat plane against and parallel to the flat back.