Tab with coin precurl for improved curl formation

Details Tab with coin precurl for improved curl formation Tab with coin precurl for improved curl formation

2006-05-31

2009-11-10

Hylton, Robin (Department: 3781)

Receptacles

Closures

With closure opening arrangements for means

C220S906000, C413S012000, C413S025000

Reexamination Certificate

active

07614520

ABSTRACT:
A tab is used to open beer/beverage can ends and food can ends. The tab has one or more arcuate strips that are provided on a surface of the tab proximate to a peripheral surface of the tab where the one or more arcuate strips have been formed further into a preselected portion of curled or hemmed portions of the tab. Tooling for the manufacture of the tab is also provided. A method for manufacturing the tab is additionally provided as well.

REFERENCES:
patent: 4130074 (1978-12-01), Cudzik
patent: 4210257 (1980-07-01), Radtke
patent: 4211335 (1980-07-01), Langseder
patent: 4361251 (1982-11-01), Langseder et al.
patent: 4465204 (1984-08-01), Kaminski et al.
patent: 4530631 (1985-07-01), Kaminski et al.
patent: 4579495 (1986-04-01), Dassler et al.
patent: 5038956 (1991-08-01), Saunders
patent: 5524698 (1996-06-01), Chen et al.
patent: 5590993 (1997-01-01), Saunders
patent: 5967726 (1999-10-01), Turner et al.

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