(under subclass 291) Processes wherein the workpiece is forced to assume the shape of a form by said stretching of the workpiece over the form and into contact therewith.
SEE OR SEARCH THIS CLASS, SUBCLASS:
90+, for stretch forming with vacuum.
SEE OR SEARCH CLASS
156, Adhesive Bonding and Miscellaneous Chemical Manufacture,
212, for bending, drawing or stretching forming of a sheet to assume shape of a configured lamina while in contact therewith.