Partitioned paperboard food tray

Details Partitioned paperboard food tray Partitioned paperboard food tray

B - Operations, Transporting

65

D

B65D 5/48 (2006.01) B29C 49/24 (2006.01) B29C 69/00 (2006.01) B31B 7/00 (2006.01) B65D 5/4805 (2006.01)

Patent

CA 2104707

A flat, machine formed paperboard package blank which is used in the construction of a composite food packaging article having internal partitioning walls. A pair of die-cut and folded paperboard blanks are inserted within the opposing cavities of a blow mold. A hot-flow parison between the cavities expands to structurally unitize the folded paper blank into a fluid impermeable tray vessel.

Cette invention concerne un découpe réalisée sur machine et servant à l'assemblage d'un article composite de conditionnement compartimenté de produits alimentaires. Une paire de découpes de carton pliées est insérée dans deux cavités opposées d'un moule pour soufflage. Une paraison gonflée à l'air chaud se déploie entre les deux cavités pour transformer les découpes en une barquette monocoque imperméable.

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