US 9,808,117 B2
Tool for forming a three dimensional article or container
Patrick H. Wnek, Sherwood, WI (US); and Ronald P. Marx, Freemont, WI (US)
Assigned to Graphic Packaging International, Inc., Atlanta, GA (US)
Filed by Graphic Packaging International, Inc., Atlanta, GA (US)
Filed on May 1, 2014, as Appl. No. 14/261,493.
Application 14/261,493 is a division of application No. 12/425,417, filed on Apr. 17, 2009, granted, now 8,801,995.
Application 12/425,417 is a continuation of application No. PCT/US2007/081743, filed on Oct. 18, 2007.
Claims priority of provisional application 60/829,976, filed on Oct. 18, 2006.
Prior Publication US 2014/0231420 A1, Aug. 21, 2014
Prior Publication US 2015/0053672 A9, Feb. 26, 2015
Int. Cl. H05B 6/80 (2006.01); B29D 19/08 (2006.01); B29C 59/02 (2006.01); B29C 43/00 (2006.01); B29D 5/00 (2006.01); B29C 45/14 (2006.01); A47J 36/02 (2006.01); B65D 1/34 (2006.01); B21D 22/02 (2006.01); B21D 45/02 (2006.01)
CPC A47J 36/027 (2013.01) [B21D 22/02 (2013.01); B21D 45/02 (2013.01); B65D 1/34 (2013.01); B31B 2201/223 (2013.01); B31B 2201/2654 (2013.01); B31B 2201/2695 (2013.01); B31B 2203/00 (2013.01)] 17 Claims
OG exemplary drawing
 
1. A method of forming a cooking element from an annular cutout having an outer edge and an inner edge defining a center opening, the method comprising:
providing a tool comprising a first tool assembly and a second tool assembly, the first and second tool assemblies having a cooperating clamping feature,
obtaining the annular cutout comprising material to be formed into the cooking element and having the outer edge and the inner edge defining the center opening;
clamping the annular cutout between the clamping feature of the first tool assembly and the second tool assembly;
positioning the first and second tool assemblies in a closed position to press the annular cutout between the tool assemblies to grip the annular cutout around the center opening and form the annular cutout into the cooking element while maintaining a portion of the annular cutout comprising the inner edge in a substantially fixed position.