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:
Jan. 17, 2017
Filed:
Feb. 04, 2011
Applicants:
Jonathan Riley, Oxfordshire, GB;
Alain Presset, Oxfordshire, GB;
Stuart Monro, Oxfordshire, GB;
Keith Vincent, Oxfordshire, GB;
Inventors:
Jonathan Riley, Oxfordshire, GB;
Alain Presset, Oxfordshire, GB;
Stuart Monro, Oxfordshire, GB;
Keith Vincent, Oxfordshire, GB;
Assignee:
Crown Packaging Technology, Inc., Alsip, IL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B21D 22/24 (2006.01); B21D 22/28 (2006.01);
U.S. Cl.
CPC ...
B21D 22/24 (2013.01); B21D 22/28 (2013.01);
Abstract
A method and apparatus are disclosed which are suitable for use in the manufacture of two-piece metal containers. In particular, the method and apparatus disclose a way of making cups from metal sheet using a combination of stretching and (re-)drawing operations. The resulting cups have the advantage of reducing the thickness of the base of the cup relative to the ingoing gauge of material.