Web of plastic bags

Details Web of plastic bags Web of plastic bags

1982-05-24

1985-12-24

Coan, James F.

Flexible bags

Plural

383122, B65D 2710

Patent

active

045611076

ABSTRACT:
A web of interconnected plastic bags produced by providing a tubular foil of plastic material with gusset folds with bottom fold part seals at both sides of the tubular foil. Each fold part seal connects a gusset fold part with an opposite part of the outer foil layers. Immediately after having moved the tubular foil over a predetermined distance the tubular foil is provided with a first transverse bottom seal by heatsealing opposite first fold part seals and outer foil layers to each other.

REFERENCES:
patent: 3277798 (1966-10-01), Krauss
patent: 3395622 (1968-08-01), Kugler
patent: 3548722 (1970-12-01), Jones et al.
patent: 4055109 (1977-10-01), Kan

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