Vertical bag forming, filling and sealing machine

Details Vertical bag forming, filling and sealing machine Vertical bag forming, filling and sealing machine

1996-11-15

1998-11-10

Moon, Daniel

Package making

Progressively seamed cover web or web folds

With closing of web between package units

53451, 53289, B65B 906

Patent

active

058327010

ABSTRACT:
A vertical bag forming, filling and sealing machine having a feed system for a wrapping material forming the flexible tube bags, a filling tube, a longitudinal seam welding device and a cross seam welding device is described. The cross seam welding device comprises a unit forming the lower cross weld seam and a unit forming the upper cross weld seam of a flexible tube bag. The unit for generating the upper cross weld seam or a folding device and a lifting device for the filled flexible tube bag are movable up and down and are lifted for the generation of the upper cross weld seam or for the folding of the flexible tube bag in order to relax the wrapping material. By this the air space over the surface of the filling material is kept as small as possible.

REFERENCES:
patent: 3543467 (1970-12-01), Leasure
patent: 3738080 (1973-06-01), Reil
patent: 4338765 (1982-07-01), Ohmori et al.
patent: 4353196 (1982-10-01), Beer et al.
patent: 4996825 (1991-03-01), Bacon et al.
patent: 5054270 (1991-10-01), McMahon
patent: 5505037 (1996-04-01), Terminella et al.

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