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. 30, 2018
Filed:
Aug. 09, 2016
Applicant:
Silgan Containers Llc, Woodland Hills, CA (US);
Inventors:
Gerald J. Baker, Wauwatosa, WI (US);
Michael Patrick Moore, Hartford, WI (US);
Assignee:
Silgan Containers LLC, Woodlands Hills, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B21D 26/02 (2011.01); B21D 26/021 (2011.01); B21D 24/04 (2006.01);
U.S. Cl.
CPC ...
B21D 26/021 (2013.01); B21D 24/04 (2013.01);
Abstract
A bottom expansion station is provided. The station provides a blank support, a punch having a central recess configured to punch a blank through the blank support forming a cup, and a pressure exertion medium including a material through which pressure is exerted on a portion the end wall of the cup to increase the area of the end wall. The material is configured to be deformed by the end wall when pressure is exerted through it on the portion of the end wall.