Method and apparatus for shaping a metallic container end...

Details Method and apparatus for shaping a metallic container end... Method and apparatus for shaping a metallic container end...

B - Operations, Transporting

21

D

B21D 51/44 (2006.01) B21D 11/10 (2006.01)

Patent

CA 2574973

The present invention describes an apparatus and forming process to manufacture container end closures with improved internal buckle strength. The present invention provides greater material and dimensional control during the forming process by utilizing a pressure sleeve to provide support to at least a portion of an end closure chuck wall and seaming panel radius while placing an end closure countersink in compression during the forming process.

La présente invention concerne un appareil et un procédé de formage utilisés pour produire des obturateurs d'extrémité pour des contenants qui présentent une meilleure résistance au gondolement. Cette invention assure une meilleure maîtrise des matériaux et des dimensions pendant le processus de formage du fait de l'utilisation d'un manchon de pression qui supporte au moins une partie d'une paroi de mandrin de l'obturateur d'extrémité et un rayon du panneau de sertissage tout en plaçant en compression, pendant le processus de formage, une fraisure de l'obturateur d'extrémité.

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