Metal end shell and easy opening can end for beer and beverage cans
Type: Patent
View the complete
patent at USPTO.gov
  
Number: 6761280
Market: Aerospace,Alumina,Aluminum Ingot,Automotive,Building & construction,Commercial transportation,Industrial products,Packaging and consumer,Oil & Gas,Consumer electronics,Sustainability
Technology: Packaging/consumer product design
Year: 2004
Abstract: A sheet metal end shell for conversion into easy opening beer and beverage ends with reduced metal usage while maintaining commercially acceptable buckle resistance. The end shell has an upper chuckwall portion that is disposed at an angle of about 20-35 degrees to vertical, a countersink bead having a width of about 0.020-0.040 inch, and further preferably having a countersink depth of less than about 0.250 inch and a panel depth less than about 0.070 inch.
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