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:
May. 03, 1977
Filed:
Nov. 20, 1975
Applicant:
Inventors:
Wayne W Binger, New Kensington, PA (US);
John W Collins, III, Leechburg, PA (US);
Melvin R Fahnestock, Apollo, PA (US);
George H Stuppy, Atglen, PA (US);
Assignee:
Aluminum Company of America, Pittsburgh, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B02C / ;
U.S. Cl.
CPC ...
241 18 ; 241D / ; 241D / ; 241 65 ;
Abstract
A method and apparatus for separating plastic liners from metal closures is disclosed which includes a liquid nitrogen precooler for chilling closures with liners therein, a hammermill for impacting the chilled closures to liberate the liners from the closures, a tumble barrel for separating large pieces of closures from the plastic liners and the small pieces of closures, and a high-tension electrical separator for separating the small pieces of closures from the plastic liners.