Bottom seal bag making machine

Details Bottom seal bag making machine Bottom seal bag making machine

B - Operations, Transporting

31

B

93/3

B31B 1/64 (2006.01) B31B 23/00 (2006.01)

Patent

CA 1267553

ABSTRACT OF THE DISCLOSURE A machine for manufacturing and stacking bags, pouches and the like made from a sheath of thermoplastic material after they have been welded and cut from the sheet is disclosed. A stacking device is provided for the bags when made from thin thermoplastic sheaths without any deformation of the upstream end of the stacked bags. The machine is designed to limit the intermittent back and forth motions of its components to improve its frequency of operation. Upper and lower welding jaws are provided for use in defining the bag edges cut from the sheath. The lower welding jaw is provided with an impaling function by impaling the bags over the needles or pins while making only a very short run and without compressing or tensioning the upstream end of the stacked bags. The needle points are always protected underneath the shoulder and cannot interfer in a trajectory of the sheath.

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