Container base structure responsive to vacuum related forces

Details Container base structure responsive to vacuum related forces Container base structure responsive to vacuum related forces

B - Operations, Transporting

65

D

B65D 1/02 (2006.01) B65D 79/00 (2006.01)

Patent

CA 2606421

A plastic container having a base portion adapted for vacuum pressure absorption. The base portion including a contact ring that supports the container, an upstanding wall, and a central portion. The upstanding wall being adjacent to and generally circumscribing the contact ring. The central portion defined in at least part by a pushup and an inversion ring that generally circumscribes the pushup. The pushup and the inversion ring being moveable to accommodate vacuum related forces generated within the container.

L'invention concerne un contenant en plastique comprenant une base conçue pour absorber les dépressions. Cette base se compose d'une bague de contact sur laquelle repose le contenant, d'une paroi verticale et d'une partie centrale. La paroi verticale est adjacente à la bague de contact et délimite globalement cette dernière. La partie centrale est définie, au moins en partie, par un renfoncement et une bague d'inversion qui délimite globalement celui-ci. Le renfoncement et la bague d'inversion sont mobiles de façon à absorber les dépressions produites à l'intérieur du contenant.

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