Tubular bagging machine

Details Tubular bagging machine Tubular bagging machine

1989-11-01

1991-07-16

Sipos, John

Package making

Progressively seamed cover web or web folds

With closing of web between package units

533707, B65B 908, B65B 5116

Patent

active

050313860

ABSTRACT:
The invention relates to a tubular bagging machine comprising at least two cross-welding jaws arranged on opposing sides of a foil tube to be welded and rotating along a self-contained cam track. In order to be able to precisely infuence the amount of air to be enclosed in a tubular bag the invention provides squeezing members such that each one squeezing member is provided in direction of movement in front of the cross-welding jaws, which squeezing memer contacts the tubular bag only over a portion of its width in order to squeeze in this manner the air in the tubular bag out of said bag. The tubular bagging machine of the invention can particularly be used for large tubular bags, in which a defined air cushion must be constructed to protect sensitive goods.

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