Retortable blow-molded container and process

B - Operations – Transporting – 29 – C

Patent

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Details

B29C 49/00 (2006.01) B29C 49/64 (2006.01) B29D 22/00 (2006.01) B65D 1/00 (2006.01)

Patent

CA 2581757

Hot fill and retort stable containers can be made by blowmolding parisons made with polyalkylene terephthalate and a sufficient amount of nucleating agent under conditions that include heated molds, directional cooling air on container stress areas from vents formed into a push rod that is extended into the molded container while still in the heated mold, and an adequate residence time to grow the desired degree of crystallinity.

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