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Ferromagnetic separation process and material

  • US 3,985,649 A
  • Filed: 11/25/1974
  • Issued: 10/12/1976
  • Est. Priority Date: 11/25/1974
  • Status: Expired due to Term
First Claim
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1. A process of conveying a solid from one container to another comprising:

  • placing a plurality of particles of a ferromagnetic substance in a test tube;

    moving a magnet near the outer surface of the first tube near the bottom end thereof;

    placing a collar over the open end of the tube; and

    moving the magnet upwardly along the tube to a point above the upper opening of the tube whereby the particles of a ferromagnetic substance and any substance entrapped thereby are moved into the collar.

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