.~.~ Interposing subsequently removed flexible element between lamina and a pressure applying surface
DEFINITION
Classification: 156/323
(under subclass 60) Processes in which a removable flexible and/or resilient element is placed between the laminae to be bonded and pressure means employed.
(1) Note. This subclass takes, for example, those laminating steps in which the laminae are enclosed in a cellophane bag which protects the pressure means from extruded resin, or where pressure is transmitted through a resilient layer for desired effects.
SEE OR SEARCH THIS CLASS, SUBCLASS:
90, for barrier layers which are employed to prevent migration or bleeding between laminae.
288, for processes of making plural sandwiches simultaneously wherein a nonadhesive separatory layer or element is employed between sandwiches.
289, for processes in which a parting or release material is
