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Classifying apparatus and process

  • US 3,291,301 A
  • Filed: 10/28/1963
  • Issued: 12/13/1966
  • Est. Priority Date: 10/28/1963
  • Status: Expired due to Term
First Claim
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1. AN APPARATUS FOR CLASSIFYING PARTICULATE MATERIAL COMPRISING A FIRST AND SECOND FRACTION, SAID FIRST FRACTION BEING IN THE OPERATION OF SAID APPARATUS MORE SUSCEPTIBLE TO ELECTROSTATIC FORCE AS COMPARED TO SAID SECOND FRACTION THEREOF, SAID APPARATUS COMPRISING, IN COMBINATION:

  • (A) A CARRYING MEMBER PRESENTING AN UPWARDLY DISPOSED CARRYING SURFACE FOR SAID MATERIAL, SAID MEMBER HAVING AN INFEED EDGE AND AN OUTFEED EDGE, (B) MEANS FOR ADMITTING MATERIAL ONTO SAID MEMBER PROXIMATE THE INFEED EDGE, (C) SAID OUTFEED EDGE PERMITTING SAID MATERIAL TO BE DISCHARGED FROM THE CARRYING MEMBER, (D) RECIPROCATING MEANS TO MOVE SAID CARRYING MEMBER CYCLICLY ALONG A PATH SUBSTANTIALLY PERPENDICULAR TO AN AXIS EXTENDING FROM THE INFEED EDGE TO THE OUTFEED EDGE, (E) A BARRIER POSITIONED ON SAID CARRYING SURFACE SO AS TO BE UPSTANDING FROM SAID SURFACE AT A PREDETERMINED GENERAL LOCATION ON SAID SURFACE, AND

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