Application system for sliders at form-fill-seal machine

Details Application system for sliders at form-fill-seal machine Application system for sliders at form-fill-seal machine

B - Operations, Transporting

31

B

B31B 1/74 (2006.01) B31B 19/90 (2006.01) B65B 9/20 (2006.01) B65D 33/24 (2006.01) B65D 33/25 (2006.01)

Patent

CA 2277441

A method and apparatus for manufacturing reclosable bags having slide zippers on a form-fill-seal machine is provided. In a first embodiment the sliders are preapplied to the zipper and the bags are made using conventional form-fill-seal techniques. In a second embodiment a coil of sliders is fed into the form-fill-seal machine where the sliders are applied to the zippers by an insertor mechanism. In a third embodiment a magazine of individual or connected sliders is used to feed a slider insertor mechanism which then applies the sliders to the interlocked zippers. In a fourth embodiment bulk sliders are introduced into a vibratory feeding bowl which then orients and feeds the sliders to the slider insertor mechanism.

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