Pressure-resistant container

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United States of America Patent

PATENT NO 12116162
APP PUB NO 20230150721A1
SERIAL NO

18092486

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Importance

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Abstract

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A can to contain a liquid and/or a gas is closed with a bottom element and a cover element. The innermost layer is a straight-wound barrier layer having a folded seam extending in a longitudinal direction. The barrier layer includes an inner diffusion-tight layer and an outer kraft paper layer. At least two further straight-wound layers made of paper or cardboard are around the barrier layer of the can shell. Adjoining cardboard or paper surfaces of the barrier layer and a next wound layer are adhered directly to each other. Each of the two further wound layers is longitudinally wound and include in the longitudinal direction an overlapping region with itself. The overlapping region of the next wound layer adjoining the barrier layer is offset relative to the folded seam of the barrier layer and the overlapping regions of the two further wound layers are located at different peripheral regions.

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Patent Owner(s)

Patent OwnerAddress
ENVICAN GMBHBÜHLER-AREAL 27 SENNHOF 8482

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Dregger, Thomas Winterthur/Zurich, CH 2 7
Schönig, Christoph Winterthur/Zurich, CH 3 7

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