(under subclass 21) Subject matter which includes applying a liquid or gas to the casing to reduce frictional forces which would otherwise inhibit the shirring operation.
(1) Note. Included in this and indented subclasses is the application of a liquid lubricant to the casing or the introduction of pressurized air inside the casing to reduce friction between the mandrel and the casing.
(2) Note. Fluid treating of a casing other than for the sole purpose of lubrication is beyond the scope of this subclass.
SEE OR SEARCH CLASS
426, Food or Edible Material: Processes, Compositions, and Products, for processes of applying coating materials to an edible casing perfecting the flavoring thereof (e.g., smoke flavoring)
427, Coating Processes,
230+, for processes of applying a coating to nonedible sausage casings for purposes other than mere lubrication.
