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:
Nov. 17, 1981
Filed:
Apr. 04, 1980
Applicant:
Inventors:
Edward G Maeder, Minnetonka County, MN (US);
Harry P Proctor, Hennepin County, MN (US);
Assignee:
National Can Corporation, Chicago, IL (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B21D / ;
U.S. Cl.
CPC ...
72 45 ; 72349 ;
Abstract
A tool pack assembly includes three modular units that are aligned with the path for a punch to redraw and iron a cup into a container shell. The first modular unit has a redraw ring assembly, a lubricating ring and an ironing ring serially supported in a support member while the second modular unit has a lubricating ring and an ironing ring in a support member. The third modular unit has a unique lubricant removal ring, a lubricating ring, an ironing ring and a stripper assembly arranged in series in a support member.