Double-walled container and method of manufacture

Details Double-walled container and method of manufacture Double-walled container and method of manufacture

B - Operations, Transporting

65

D

B65D 81/38 (2006.01)

Patent

CA 2728678

A double-walled container and method of manufacturing are disclosed. A first container having a smaller diameter than a second container is inserted into the second container. A portion of the first container is expanded and/or a portion of the second container may be narrowed so that first and second container is interlocked and form a double-walled container. The first and/or second containers may have ribs. An air gap between the first and second containers provides thermal insulation to contents of the double-walled container.

L'invention porte sur un contenant à double paroi et sur un procédé de fabrication. Un premier contenant, dont le diamètre est plus petit que celui d'un second contenant, est introduit dans le second contenant. Une partie du premier contenant est expansée et/ou une partie du second contenant peut être rétrécie de telle sorte que les premier et second contenants sont interverrouillés et forment un contenant à double paroi. Les premier et/ou second contenants peuvent comporter des nervures. Un intervalle d'air entre les premier et second contenants assure une isolation thermique du contenu du contenant à double paroi.

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