Continuous motion drive for form, fill and seal machine

Details Continuous motion drive for form, fill and seal machine Continuous motion drive for form, fill and seal machine

1996-11-13

1998-05-19

Culver, Horace M.

Package making

Progressively seamed cover web or web folds

With closing of web between package units

533746, 53552, B65B 920, B65B 5126

Patent

active

057523703

ABSTRACT:
A form-fill-seal machine in which the cross sealing jaws move in the direction of the moving film during the sealing operation with the continuously moving tube. The drive for the cross sealing jaws include a pair of gear cases on opposite of the sealing jaws, each having two sets of spaced drive shafts. The drive shafts include cranks that impart rotary motion to a pair of link bases for the front and rear sealing jaw. Pairs of parallel links are pivotally connected at one end to the link bases and at the other end to the sealing jaws. The pivot connections of the parallel links include pressure or torsion members which bias the sealing jaws toward engagement.

REFERENCES:
patent: 3611657 (1971-10-01), Inoue et al.
patent: 4750313 (1988-06-01), Kammler et al.
patent: 5001891 (1991-03-01), Abate
patent: 5062253 (1991-11-01), Bacon et al.
patent: 5131750 (1992-07-01), Kammler
patent: 5203145 (1993-04-01), Kammler et al.
patent: 5575137 (1996-11-01), Metz et al.

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