Method for making partially separated multibags

Details Method for making partially separated multibags Method for making partially separated multibags

1983-07-07

1985-01-15

Simmons, David

Manufacturing container or tube from paper; or other manufacturi

Container making

Pliable container

53459, 53570, 225100, B65B 4304

Patent

active

044936842

ABSTRACT:
There is provided a method for making a supply of partially separated multibag units, comprising first passing a perforated chain of side-sealed bags through a first set of driven nip rollers, then passing said chain directly to a second set of nip rollers having a partial nip of selected width less than the width of said chain, while driving said second nip rollers at a speed greater than said first nip rollers sufficient to partially separate the bags at their respective lines of perforation, and while cyclically completing the nip of said second nip rollers at predetermined intervals corresponding to the number of bags desired in each multibag unit. Associated apparatus for making said partially separated multibag units is also provided.

REFERENCES:
patent: 2874886 (1959-02-01), Diayye
patent: 3161347 (1964-12-01), Hannon
patent: 3298580 (1967-01-01), Lerner
patent: 3331182 (1967-07-01), Hannon
patent: 3579948 (1971-05-01), Lerner
patent: 3587843 (1971-06-01), Wing
patent: 3754370 (1973-08-01), Hauson
patent: 4334399 (1982-06-01), Onishi

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