.~ Expressing non-uniform cross-section or non-linear product
DEFINITION
Classification: 72/260
Expressing nonuniform cross section or nonlinear product:
(under subclass 253.1) Methods and means for extruding a product which (a) varies longitudinally, with respect to its flow through the orifice, in cross-sectional size, shape, or axial orientation (without regard to a closed bottom on an otherwise tubular extruded article or a shaped head remaining as a residue in the chamber), or (b) is curved in its longitudinal extent, that is, the produce deviates from straight.
SEE OR SEARCH THIS CLASS, SUBCLASS:
64+, for twisting preformed axially moving work.
259, for a plural impeller device for extruding this type of product.