Process for the production of a container for foodstuff from an aluminium-free planar composite with an inner layer by hot folding

Process for the production of a container for foodstuff from an aluminium-free planar composite with an inner layer by hot folding

  • CN 102,725,136 A
  • Filed: 01/26/2011
  • Published: 10/10/2012
  • Est. Priority Date: 01/26/2010
  • Status: Active Application
First Claim
Patent Images

1. one kind is used for the method that the container (2) of an inside (1) is surrounded in production, and it may further comprise the steps:

  • A., plane composite material (3) is provided, and it comprisesI. carrier layer (4);

    Ii. join the plastic barrier (5) of said carrier layer (4) to;

    Iii. be arranged on the thermoplastic of one deck at least KSa layer (6) on the side of said carrier layer (4) of said plastic barrier (5);

    B. fold said plane composite material (3), have the folding thing (8) of at least two fold surfaces adjacent one another are (9,10) with formation;

    C. engage the subregion at least (11) of said at least two fold surfaces (9,10) respectively, to form container area (12);

    Wherein in step b, the said thermoplastic of one deck at least KSa layer is heated to more than the fusion temperature.

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