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:
Dec. 08, 1992
Filed:
Dec. 05, 1990
Applicant:
Inventors:
Anna Marabini, Frascati, IT;
Thomas Meloy, Rome, IT;
Pei C Huang, Rome, IT;
Vittorio Alesse, Rome, IT;
Assignee:
Consiglio Nazionale Delle Ricerche, Rome, IT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B02C / ;
U.S. Cl.
CPC ...
241 20 ; 241 24 ; 241 62 ; 241 81 ; 241D / ; 2091725 ;
Abstract
The present invention relates to a process for separating and recovering copper wires, lead grains coming and rubber grains coming from waste cables, through washing, gravimetric separation, screening and by flattening the lead grains thereby facilitating their ready recovery.