Method and apparatus for thermoforming films

Package making – Methods – Forming or partial forming a receptacle and subsequent filling

Reexamination Certificate

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C053S452000, C053S454000, C053S560000, C053S511000, C053S173000, C053S561000, C053S389100

Reexamination Certificate

active

06874300

ABSTRACT:
Pouches which can then be filled and sealed are made by thermoforming a film (29) into moulds (23) in a conveyor (8, 10, 11, 21) while holding the side edges (45) of the film to the side margins (46) of the conveyor by under-pressure applied to the underside of the film through a plurality of holding orifices (44) which extend up through the conveyor and into each side margin (46).

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