US PATENT SUBCLASS 425 / 223
ENDLESS CASTING SURFACE AND COOPERATING HARVESTING MEANS


Current as of: June, 1999
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425 /   HD   PLASTIC ARTICLE OR EARTHENWARE SHAPING OR TREATING: APPARATUS

223ENDLESS CASTING SURFACE AND COOPERATING HARVESTING MEANS


DEFINITION

Classification: 425/223

(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.