Wrinkle free film spreader device for form, fill and seal machin

Details Wrinkle free film spreader device for form, fill and seal machin Wrinkle free film spreader device for form, fill and seal machin

1990-01-26

1991-09-17

Spruill, Robert L.

Package making

Progressively seamed cover web or web folds

With closing of web between package units

493255, 493311, B65B 906

Patent

active

050482700

ABSTRACT:
A spreader device for the lower end of a forming and filling tube of a form, fill and seal machine has an operator located on the outside of the upper end of the tube. The operator may effect oscillations causing the finger to swing into and out of spreading position, or the operator may cause the finger to reciprocate into and out of spreading position.

REFERENCES:
patent: 2720680 (1955-10-01), Gerow
patent: 3492775 (1970-02-01), Rhine et al.
patent: 3543477 (1970-12-01), Leasure
patent: 3831821 (1974-08-01), Doyen
patent: 4129976 (1978-12-01), Grundler et al.
patent: 4235064 (1980-11-01), Wenger
patent: 4589247 (1986-05-01), Tsuruta et al.
patent: 4640083 (1987-02-01), Takahashi et al.
patent: 4697403 (1987-10-01), Simpson et al.
patent: 4745731 (1988-05-01), Talbott et al.
patent: 4829745 (1989-05-01), Behr et al.

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