(under subclass 475) Method or apparatus wherein the means for engaging the workpiece or the means partaking of all motion of such workpiece engaging means serves to form a crease line in the workpiece by causing the workpiece to conform to the shape of that work engaging means.
SEE OR SEARCH THIS CLASS, SUBCLASS:
405+, for apparatus including a folding tool combined with a reaction surface to cooperate with the folding tool in forming a crease line in a workpiece, and for the method of forming sheet or web work, generally.
