Optimized drawing and wall ironing process of aluminum containers

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 10807140
APP PUB NO 20180161842A1
SERIAL NO

15747680

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Abstract

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The invention relates to a manufacturing process of aluminum alloy beverage cans by «Drawing-Ironing», characterized in that a friction higher between the bodymaker punch and the aluminum sheet than between the ironing die and said aluminum sheet is produced by at least one of the following specificities:

    An aluminum sheet with an internal surface significantly higher in roughness than the external oneIroning dies with rounded intersections between infeed as well as exit surface and the land, with a smooth surface in the working area and a short width of the landA bodymaker punch with an extra roughness and an isotropic texture.

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Patent Owner(s)

  • CONSTELLIUM NEUF-BRISACH; SANDVIK INTELLECTUAL PROPERTY AB

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Laszczyk, Laurent Rielasingen-worblingen, DE 3 0
Lieb, David P Beulah, US 17 454
Rimbau-Gilabert, Victor Barcelone, ES 1 0
Stoppiglia, Hervé Meylan, FR 3 1

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