Film bag

Details Film bag Film bag

2011-01-11

2011-01-11

Pascua, Jes F (Department: 3782)

Flexible bags

Lifting or suspending element

C383S017000, C383S026000, C383S063000, C383S066000, C383S109000

Reexamination Certificate

active

07866885

ABSTRACT:
A film bag that forms a sealed film package, with bag surfaces made of an at least two-layered composite film that has a heat-sealable polyolefin inner layer and a non-sealable outer layer. There is at least one carrying handle made of a heat-sealable film. The bag surfaces have window-like openings spaced away from the edges of the film bag, which are covered by film tabs on the inside of the bag. The film tabs are sealed by a heat-sealable first side to the layer of the bag surfaces on the inside of the bag, and each is joined to it by a sealing seam that surrounds the associated opening as an air-tight closure. Each of the ends of the at least one carrying handle is sealed in the region of the openings to the heat-sealable first side of the film tabs covering the openings.

REFERENCES:
patent: 3490681 (1970-01-01), Niemeyer
patent: 3504845 (1970-04-01), Niemeyer
patent: 3507194 (1970-04-01), Schwarzkopf
patent: 3850724 (1974-11-01), Lehmacher
patent: 6899663 (2005-05-01), Tetenborg
patent: 93 05 817 (1993-10-01), None
patent: 101 37 844 (2003-02-01), None
patent: 1180237 (1970-02-01), None
patent: WO 2005/113357 (2005-12-01), None

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