(under the class definition) Method or apparatus combined with forcing material through an orifice or with pulling, pushing, or stretching material to change the thickness of the material.
SEE OR SEARCH THIS CLASS, SUBCLASS:
85, for making a rigid container by assembling combined with extruding, drawing, or attenuating.
211, for making a pliable container including assembling and extruding, drawing, or attenuating.
293, for tube making combined with extruding, drawing, or attenuating.
SEE OR SEARCH CLASS
264, Plastic and Nonmetallic Article Shaping or Treating:
Processes, for a method of forming material by forcing it through an orifice or wherein there is thinning or thickening flow of the material. See the line note under the definition of this class (493). 425, Plastic Article or Earthenware Shaping or Treating: Apparatus, for apparatus for forming material by forcing it through an orifice or wherein there is thinning or thickening flow of work material. See the line note under the definition of this class (493).
