Sealable valved bag

Flexible bags – With closure – Self-closing type

Patent

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Details

383 54, B65D 3024

Patent

active

050982010

ABSTRACT:
A bag having a filling valve integral with and extending through an end closure section of the bag adapted to be sealed by electromagnetic field induction heating. Valves having a thermoplastic polymeric inner layer are provided with metal foil adjacent to at least a part of the layer as means for inductively heating the polymeric inner layer. The thermoplastic polymeric inner layer can comprise polyolefins and the metal foil can comprise aluminum. Methods of sealing a bag having such a filling valve are provided.

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