Method and apparatus for forming a reinforcing bead in a...

Metal deforming – By use of tool acting during relative rotation between tool... – Tool orbiting or rotating about an axis

Reexamination Certificate

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C072S094000, C072S120000, C072S123000

Reexamination Certificate

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07743635

ABSTRACT:
A metallic container end closure is provided which includes a channel or groove in a predetermined location in at least one of an inner panel wall, outer panel wall, or chuckwall, and which is formed by a shaping tool. An apparatus and method for spin-forming the end closure with the improved geometry is also provided herein.

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