(under subclass 256.3) Apparatus including a third discrete work-engaging surface having a nonplanar profile and formed of a material which does not yield during the bending operation, wherein the nonplanar profile is imparted to a wooden part.
(1) Note. The third work-engaging surface may operate either simultaneously, or sequentially with the first and second surfaces, and may work on the same, or a different wooden part.
SEE OR SEARCH CLASS
72, Metal Deforming,
381, and 394+ for metal bending apparatus having three or more relatively movable coating work engaging surfaces.