Bag valves

Details Bag valves Bag valves

1986-09-22

1992-10-27

Garbe, Stephen P.

Flexible bags

With closure

Self-closing type

383 54, B65D 3316

Patent

active

051583704

ABSTRACT:
A bag having a filling valve integral with and extending though 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. Methods and apparatus of sealing a bag having such a filling valve are provided.

REFERENCES:
patent: 3203623 (1967-07-01), Hartig
patent: 3973719 (1976-08-01), Johnson et al.

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