Method of manufacturing a flexible collapsible container...

Details Method of manufacturing a flexible collapsible container... Method of manufacturing a flexible collapsible container...

B - Operations, Transporting

29

C

93/31, 210/47

B29C 65/78 (2006.01) B29D 22/00 (2006.01)

Patent

CA 1110588

ABSTRACT OF THE DISCLOSURE Method and apparatus for forming novel flexible, collapsible containers from a pair of facing sheet sec- tions, and a stiffener bar positioned between the sheet sections, is disclosed. The pair of facing sheet sections are passed along a process path through a sealing die, with a continuous length of the stiffener bar being posi- tioned between the sheet sections and passed along with process path with the sheet sections. The sealing die forms seal lines between the facing sheet sections to de- fine a group of collapsible containers, each carrying the stiffener bar in transverse relation thereto. Then, at least one of the sheet sections and the stiffener bar is cut through at positions adjacent the edges of the collap- sible containers, to permit the separation of the formed collapsible containers, carrying separated stiffener bar sections, from each other.

322279

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