US PATENT SUBCLASS 406 / 121
.~ With sifter


Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use



406 /   HD   CONVEYORS: FLUID CURRENT

108  DF  INTAKE TO FLUID CURRENT CONVEYOR {7}
121.~ With sifter


DEFINITION

Classification: 406/121

With sifter:

(under subclass 108) Subject matter wherein a sieve is provided at or adjacent the inlet* to separate or reduce coarse lumps of load material.

SEE OR SEARCH CLASS

209, Classifying, Separating, and Assorting Solids,

21+, for operations of separating and grading or sorting solids employing both sifting and gaseous suspension; and subclasses 233+ for sifters in general. See especially subclasses 243+ for sifters combined with means for feeding solids to the same.