Apparatus for manufacturing a web of plastic bags

Details Apparatus for manufacturing a web of plastic bags Apparatus for manufacturing a web of plastic bags

1985-09-20

1987-01-13

Coan, James F.

Manufacturing container or tube from paper; or other manufacturi

Container making

Pliable container

493936, B31B 3360

Patent

active

046361901

ABSTRACT:
A web of interconnected plastic bags with gusset folds. Each bag is provided with first fold part seals (8, 9, 10, 11) and with second fold part seals (13, 14, 15, 16). Additional seals (36) extend parallel to fold edges of the foil and are connected with subsequent first and second fold part seals. The additional seals (30) are in the region between inner (4, 4a) and outer (2, 3 and 2a, 3a) fold edges.

REFERENCES:
patent: 3254828 (1966-06-01), Lerner
patent: 3277798 (1966-10-01), Krauss
patent: 3395622 (1968-08-01), Kugler
patent: 3397622 (1968-08-01), Goodwin
patent: 3548722 (1970-12-01), Jones et al.
patent: 3555974 (1971-01-01), Davis, Jr.
patent: 3599538 (1971-08-01), Piazze
patent: 4027455 (1977-06-01), Rausing et al.
patent: 4055109 (1977-10-01), Kan

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