.~> Convoluting means includes an endless surface {2}
DEFINITION
Classification: 425/319
(under the class definition) Apparatus comprising means to shape fluent or bulk stock into a preform and means to reshape the preform by twisting or forming into a coil, helix or spiral.
(1) Note. Means to shape stock followed by reshaping into rows of waves, i.e., corrugating is not here but found in appropriate subclasses below. See especially subclasses 324.1+.
SEE OR SEARCH THIS CLASS, SUBCLASS:
323, for pretzel bending devices which may disclose forming from bulk and twisting or convoluting.
324.1+, for diverse shaping apparatus.
334, for sets of convoluting or twisting means.
363+, for preform reshaping, per se, utilizing and endless shaping surface. 383+, especially subclass 391 for preform reshaping, per se, by convoluting or twisting means.
