Apparatus for forming a tube from polyfoil web for high capacity

Details Apparatus for forming a tube from polyfoil web for high capacity Apparatus for forming a tube from polyfoil web for high capacity

1987-12-23

1989-04-11

Coan, James F.

Package making

Progressively seamed cover web or web folds

With closing of web between package units

53550, 493302, 493434, B65B 908

Patent

active

048194140

ABSTRACT:
Improved form, fill, and seal machine for making aseptic sealed packages incorporating a plurality of web guiding rollers and flanges for manipulating a continuously fed polyfoil web into a longitudinal tube having a triangular cross section and opposing superimposed web edges that are sealed together to form the longitudinal seal in the tube. Web advance may be continuous or intermittent. Induction heating is used to longitudinally seal the edges of the web together to form a tube.

REFERENCES:
patent: 3777632 (1973-12-01), Pepmeier
patent: 3913299 (1975-10-01), Stenstrom
patent: 4136505 (1979-01-01), Putnam, Jr. et al.
patent: 4317321 (1982-03-01), Torterotot et al.
patent: 4614078 (1986-09-01), Kawabe

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