PROCESS FOR THE PRODUCTION OF A CONTAINER FOR FOODSTUFF FROM AN ALUMINIUM-FREE PLANAR COMPOSITE WITH A MULTIPLE INNER LAYER BY COLD FOLDING
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United States of America Patent
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Issued Date -
Jul 4, 2013
app pub date -
Jan 26, 2011
filing date -
Jan 26, 2010
priority date (Note) -
Abandoned
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Abstract
The present invention relates generally to a process for the production of a container surrounding an interior, comprising the steps a. provision of a planar composite comprising i. a carrier layer, ii. a barrier layer of plastic joined to the carrier layer, iii. at least two layers of thermoplastic plastic KSa and KSw which are provided on the side of the barrier layer of plastic facing away from the carrier layer, at least one of the at least two layers of plastic being a plastics mixture of at least two plastics, b. folding of the planar composite to form a fold with at least two fold surfaces adjacent to one another and c. joining of respectively at least a part region of the at least two fold surfaces by heating the part region to form a container region, at least one of the at least two layers of thermoplastic plastic in step b. having a temperature which is below the melting temperature of this layer of plastic, and a container obtainable by this process.
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