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:
Jul. 03, 2001
Filed:
Jan. 13, 1999
Applicant:
Inventor:
Jeffrey W. Chen, Irvine, CA (US);
Assignee:
Chill-Can International, Inc., Laguna-Niguel, CA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B21D 3/900 ; B21D 3/903 ;
U.S. Cl.
CPC ...
B21D 3/900 ; B21D 3/903 ;
Abstract
A method of forming a flange in the bottom of a container by first removing a portion of the container bottom and then forming or swaying the material around the opening to form a flange extending away from the container bottom. A valve and valve cup assembly along with a heat exchange unit are positioned adjacent the flange and the combination is crimped to permanently affix the heat exchange unit to the bottom of the container.