Zinc folding rod machine with removable legs with plate-clip using cams andfollowers and a novel mandrel for use in separate folder and switcher

摘要

This machine is intended for folding zinc, aluminium or thin copper. Thenovel press plate has cams and followers which may or may not be adjustable.The mandrel is novel and is comprised of an open channel above, with twosmall side borders for guiding the removable mandrel. The bead so formed iseasily withdrawn from above.