Packing container for pressurized contents and a method for...

B - Operations – Transporting – 65 – D

Patent

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Details

156/36, 190/39

B65D 77/06 (2006.01)

Patent

CA 1221319

ABSTRACT A packing container for pressurized contents, e.g. beer or carbonated refreshing beverages, can be manufactured from different material combin- ations which together provide the packing container with the necessary strength as well as the required tightness for gas as well as liquid. In accordance with the invention a packing container is formed comprising an outer casing which consists of several material layers and which provides the packing container with its strength and gas-tightness, and a liquid-tight inner container of flexible plastic material. In the manufacture and filling of the packing con- tainer use is made of the capacity of the contents to give off gas so as to expand the inner contain- er until it lies closely against the outer shell and at the same time force the air out of the casing so that the packing container is rendered completely free of air.

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