(under subclass 39) Processes combined with the step of folding and/or bending at least one facing sheet.
(1) Note. See subclasses 196 and 226 of this class for definitions of the scope of the terms "bending" and "folding", respectively.
(2) Note. Included in this subclass are processes of bending a single facing sheet into a trough-like shape and applying the core material to the trough thus formed.
(3) Note. This subclass also includes processes wherein a single facing sheet completely envelopes the core material.
(4) Note. Processes wherein a facing sheet is turned about the edges of the core material and embedded therein are included in this subclass.
SEE OR SEARCH THIS CLASS, SUBCLASS:
196+, for processes of bending or reshaping a self-sustaining lamina.
