Package making – Progressively seamed cover web or web folds – With closing of web between package units
Patent
1998-06-16
2000-02-15
Sipos, John
Package making
Progressively seamed cover web or web folds
With closing of web between package units
53552, B65B 910, B65B 5114
Patent
active
060239182
ABSTRACT:
The present device serves for packaging products and is equipped with a product supply line and a packaging means supply line for a tube-like packaging material. In addition, the present device is equipped with at least two sealing elements that after a filling can be moved relative to one another. At least one of the sealing elements contains a thermal sealing element for executing the sealing process. Two sealing pairs of sealing elements are situated opposed one another on separate carriers. Provision is made in each instance for separate controls for the opening and closing movements and the adjusting movements of the carriers. When a contra-rotating movement of the carriers occurs, one of the sealing pairs will be opened at least during positioning on an identical carrier level of one of the sealing pairs and the other sealing pair will be closed. By this means the sealing elements of the opened sealing pair are guided lateral to the sealing elements of the closed sealing pair.
REFERENCES:
patent: 3055154 (1962-09-01), Markley
patent: 4241563 (1980-12-01), Muller
patent: 4537012 (1985-08-01), Groom
patent: 4598533 (1986-07-01), Takagaki
patent: 4729210 (1988-03-01), Galliano
Neue Verpackung Oct. 1991, "Innovationstrends bei Verpackungsmaschinen dargestellt am Beispiel der Schlauchbeutelmaschinen", von Dr.-Ing. G. Bleisch und Dipl.-Ing. F. Weile, pp. 24-42.
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