Offset stripper and stripping method for vertical form, fill and

Details Offset stripper and stripping method for vertical form, fill and Offset stripper and stripping method for vertical form, fill and

1998-11-09

2000-04-25

Sipos, John

Package making

Methods

Enclosing contents within progressively formed web means

53552, 53526, B65B 900, B65B 906

Patent

active

060529717

ABSTRACT:
An apparatus and method for stripping the end seal area in a vertical form, fill and seal machine. First and second wiper members are secured to the sealing jaws and extend toward the film tube being formed, filled and sealed. The wiper members have engagement portions vertically staggered or offset from one another which engage opposite sides of the film tube for the purposes of stripping. The stripping apparatus and process can be used with intermittent machines which use film reversal for stripping, as well as continuous motion machines which always advance the film in the forward direction.

REFERENCES:
patent: 4391081 (1983-07-01), Kovacs
patent: 4757668 (1988-07-01), Klinkel et al.
patent: 5203145 (1993-04-01), Kammler et al.
patent: 5377474 (1995-01-01), Kovacs et al.
patent: 5485712 (1996-01-01), Cherney et al.
patent: 5575137 (1996-11-01), Metz et al.

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