Flexible collapsible container and method of molding

Details Flexible collapsible container and method of molding Flexible collapsible container and method of molding

B - Operations, Transporting

65

D

210/47, 18/520

B65D 35/08 (2006.01) A61J 1/00 (2006.01) B29C 49/18 (2006.01) B29C 49/48 (2006.01) B29C 49/04 (2006.01)

Patent

CA 1110587

ABSTRACT OF THE DISCLOSURE The method of molding flexible, collapsible containers comprises extruding a tubular parison of ma- terial to be molded and sealing the outer, free end of the parison, ballooning the parison with relatively low pneumatic pressure; closing the mold about the ballooned parison to cause the edges of the parison to protrude out of the mold chamber; and sealing said parison to form said container, including the step of forming seal lines positioned laterally inwardly from the lateral edges of the parison. A novel container design is also covered.

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