(under the class definition) Apparatus including a continuous surface (e.g.., drum or endless belt, etc..) on which a stock material is coated, by pouring or immersion, combined with means (e.g.., doctor blade, etc..) to remove the material as a product from the surface.
(1) Note. Apparatus comprising cooperating endless surfaces which form the product therebetween is excluded under this definition, and will be found in subclasses 335+ and 363+.
SEE OR SEARCH THIS CLASS, SUBCLASS:
84+, for a foraminous endless shaping surface (e.g.., filter-type drum or belt, etc..) and product removal means.
201, for mixing rolls which may use a doctor blade to prevent material being worked from adhering to the mixer surface.
337, for means between plural sets of endless surface type forming means not acting to harvest a formal product but to guide or convey material being shaped.
363+, for a press forming roll with means to strip a product therefrom. SEE OR SEARCH CLASS
159, Concentrating Evaporators,
5+, for apparatus of that class including means to form a film from a liquid being processed.
165, Heat Exchange,
89+, for a rotary drum type heat exchanger, especially subclass 91 when combined with a hollow stirrer or scraper.
