(under subclass 340) Apparatus including means compressing an article, e.g., food package, during the freezing thereof.
SEE OR SEARCH THIS CLASS, SUBCLASS:
60, for processes involving packaging.
75, for sequential stage congelation processes.
SEE OR SEARCH CLASS
100, Presses, appropriate subclass for pressing processes and apparatus of general application. 156, Adhesive Bonding and Miscellaneous Chemical Manufacture,
80, for laminating processes involving a step of refrigeration or freezing and subclass 498 for laminating devices with article cooling means.
264, Plastic and Nonmetallic Article Shaping or Treating: Processes, for shaping or molding processes within the class definition which may include the mere compacting of ice.
28, therein includes the step of cooling and/or freezing to a temperature of zero deg.C and subclasses 109+ pertains to forming of articles by uniting of discrete bulk assembled particles. Subclasses 237 and 348 include cooling steps.
425, Plastic Article or Earthenware Shaping or Treating: Apparatus, appropriate subclasses for molding apparatus, per se, for shaping particulate ice or dry ice.