US PATENT SUBCLASS 209 / 67-- .~.~.~.~.~ With rubbing

US PATENT SUBCLASS 209 / 67
.~.~.~.~.~ With rubbing

Current as of: June, 1999
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209 /	HD	CLASSIFYING, SEPARATING, AND ASSORTING SOLIDS

45	DF	ADHESION {2}
49	DF	.~ Coated surface or mass {1}
50	DF	.~.~ Mercurial {3}
58	DF	.~.~.~ Receivers {3}
65	DF	.~.~.~.~ With agitating or conveying {5}
67		.~.~.~.~.~ With rubbing

DEFINITION

Classification: 209/67

(under subclass 65) Devices for separating by adhesion of some components of material to surfaces coated with mercury or its equivalent which are associated with means for subjecting the material to attritive rubbing.

(1) Note. The rubbing elements may be part of the separating device or may be external thereto, but closely associated therewith, and the rubbing elements may themselves have mercury-coated portions.

SEE OR SEARCH THIS CLASS, SUBCLASS:

191, for metallic liquid flotation separations utilizing a rubbing action.

SEE OR SEARCH CLASS

241, Solid Material Comminution or Disintegration, appropriate subclasses, especially 24, and 79+ for comminuting combined with separation by mercurial adhesion.