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 1/42 (2006.01) B65D 23/00 (2006.01)

Patent

CA 2742494

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.

Linvention concerne un récipient en plastique, comprenant une partie de base adaptée pour une absorption de pression à vide. La partie de base comprend un anneau de contact qui supporte le récipient, une paroi verticale et une partie centrale. La paroi verticale est située à proximité de lanneau de contact et entoure globalement celui-ci. La partie centrale est définie au moins en partie par un soutien et un anneau dinversion qui entoure globalement le soutien. Le soutien et lanneau dinversion sont mobiles pour recevoir des forces associées à un vide qui sont générées à lintérieur du récipient.

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