Apparatus and method for forming void-fill packaging

Details Apparatus and method for forming void-fill packaging Apparatus and method for forming void-fill packaging

2006-08-15

2006-08-15

Huynh, Louis (Department: 3721)

Package making

Methods

Gas filling and/or evacuating and closing

C053S452000, C053S477000, C053S079000, C053S551000, C053S374800

Reexamination Certificate

active

07089714

ABSTRACT:
A method and apparatus for forming void-fill packaging wherein a tubular plastics material (11) is periodically fed via driver rollers (15) along a longitudinal guide path (12), first and second transverse spaced parallel heat seals are formed substantially across the plastics material via a transverse heat sealer (36, 38) to define a chamber (104) between the seals, a fluid is discharged into the chamber via a nozzle (20) positioned along the guide path and adapted to extend inside the tubular plastics material adjacent to one longitudinal edge of the plastic material, a third heat seal is formed via a longitudinal heat sealer (78) to seal the chamber (104), and the longitudinal edge of the tubular plastic material is cut via a cutting element (22) so that the movement of the tubular plastics material is not hindered by the nozzle.

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