The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 20, 1998
Filed:
Jan. 16, 1996
Alexander Elkind, Mt. Laurel, NJ (US);
James MacFarlane, Collingswood, NJ (US);
Mark Krymsky, Langhorn, PA (US);
Victor Nikolaevich Tisenko, St. Petersburg, RU;
German Abramovich Shneerson, St. Petersburg, RU;
Vyacheslav Semenovich Korolev, St. Petersburg, RU;
Sergey Ivanovich Krivosheev, St. Petersburg, RU;
Alexey Pavlovich Nenashev, St. Petersburg, RU;
Vladimir Markovich Vasilevskiy, St. Petersburg, RU;
Rustec, Inc., Camden, NJ (US);
Abstract
An apparatus for separating and sorting non-ferrous metals from other materials is provided which has a ferromagnetic core, an infeed conveyor for positioning materials to be separated and sorted, and a collecting bin or container located at a selected distance from the infeed conveyor for collecting separated and sorted non-ferrous metals, and which produces an electromagnetic field which provides a non-steady state, non-uniform magnetic field, and a sharp skin effect in the non-ferrous metal piece. Also provided is a method for separating and sorting non-ferrous metal pieces from other materials wherein non-ferrous metal pieces are subjected to a non-steady state, non-uniform magnetic field so that a sharp skin effect is produced in the non-ferrous metal piece so that the non-ferrous metal piece is separated and sorted according to its density and independent of its conductivity.