(under the class definition) Apparatus including means to subject the solid material before, after, or during pressing to some treatment other than and in addition to pressing which other treatment causes a change of a physical or chemical characteristic of the solid material.
(1) Note. The treatment here classified is of the compressed material and not of the expressed liquid. See this class, subclass 102, for combinations including means for treating the liquid expressed.
SEE OR SEARCH CLASS
44, Fuel and Related Compositions,
636, for apparatus especially adapted for use in manufacturing briquetted artificial fuel in which more than one operation is performed in making the briquette and the final operation is a briquetting of the material, and subclass 632 for apparatus for working peat by performing one or more operations and including the final modeling of the peat into briquettes.
65, Glass Manufacturing,
306, for a press molding machine combined with means to treat a product formed thereby. 72, Metal Deforming, appropriate subclasses, for a combined machine for plastically shaping metal and otherwise treating it, e.g., handling, cleaning or deoxidizing it, as provided for in the class. Heating or cooling means for merely taking the work to or from a proper working temperature are included whether specifically set forth in the subclass titles or not.
99, Foods and Beverages: Apparatus, subclasses commencing with 451, for apparatus specifically adapted for the preparation and treatment of foodstuffs, which apparatus may employ pressing.
131, Tobacco,
31, for cigar and cigarette making apparatus having cooperating rolling surfaces in which the rolling mechanism
is provided with means to treat the tobacco to change its physical or chemical character, and subclass 79 for cigar and cigarette making apparatus with means to mold or form the tobacco combined with means to treat the tobacco to change physical or chemical characteristics.
148, Metal Treatment, appropriate subclasses for processes of using pressure, with or without heat, in order to alter the internal structural characteristics or properties of metals and metal alloys.
425, Plastic Article or Earthenware Shaping or Treating: Apparatus,
404, for a shaping means and a downstream product treating Means; see the search notes thereunder.
