Vertical form-fill-seal method and apparatus

Details Vertical form-fill-seal method and apparatus Vertical form-fill-seal method and apparatus

1988-06-24

1989-12-05

Culver, Horace M.

Package making

Methods

Enclosing contents within progressively formed web means

53551, 53552, 53389, B65B 920, B65B 4112, B65B 4116

Patent

active

048843873

ABSTRACT:
Method of and apparatus for forming, filling and sealing packages wherein a web of flexible packaging interval is formed into tubing around a mandrel and intermittently fed downwardly in package length increments by intermittently moving portions of continuously driven belts into engagement with the tubing for a predetermined interval.

REFERENCES:
patent: 2935178 (1960-05-01), Lutcke
patent: 3227344 (1966-01-01), Rutter
patent: 3610500 (1971-10-01), Brown
patent: 4288965 (1981-09-01), James
patent: 4578931 (1986-04-01), Gijsbertus
patent: 4620409 (1986-11-01), McElvy
patent: 4655291 (1987-04-01), Cox
patent: 4660356 (1987-04-01), Simionato
patent: 4727707 (1988-03-01), Hadden

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