(under subclass 363) Apparatus wherein a reshaping means creates accordion-like pleats or wrinkles or the like in a preform (generally a sheet or web) by distorting a section thereof transverse to its axis into a plurality of reversing curves.
SEE OR SEARCH THIS CLASS, SUBCLASS:
336, for sets of shaping couples comprising an endless surface which corrugates running length work.
SEE OR SEARCH CLASS
156, Adhesive Bonding and Miscellaneous Chemical Manufacture,
461+, for laminating means combined with longitudinal bending means (e.g.., corrugating means, etc..) for running length work.
