VORRICHTUNG ZUM DURCHFÜHREN EINER METHODE ZUR BEFESTIGUNG VON KNÖPFEN SOWIE GENANNTE METHODE

摘要

A method of fastening buttons by welding whereby a fusing device is used upon an accumulation of button threads thereby to create a substantially smooth surface. A device for using the method includes a thermal mandrel which may have a cutting surface on its outer edge. Multiple mandrels may be used to simultaneously fuse multiple buttons.