B - Operations – Transporting – 65 – D
Patent
B - Operations, Transporting
65
D
B65D 1/02 (2006.01) B65D 79/00 (2006.01)
Patent
CA 2526708
A plastic container having a base portion (20) adapted for vacuum pressure absorption. The base portion including a contact ring (34) upon which the container is supported, an upstanding wall (44) and a central portion (36). The upstanding wall being adjacent to and generally circumscribing the contact ring. The central portion being defined in at least part by a central pushup (40) and an inversion ring (42) which generally circumscribes the central pushup. The central pushup and the inversion ring being moveable to accommodate vacuum forces generated within the container.
L'invention concerne un contenant en plastique comprenant une base (20) conçue pour absorber les dépressions. Cette base se compose d'une bague de contact (34) sur laquelle repose le contenant, d'une paroi verticale (44) et d'une partie centrale (36). La paroi verticale est adjacente à la bague de contact et délimite cette dernière. La partie centrale est composée, au moins en partie, d'un renfoncement central (40) et d'une bague d'inversion (42) qui délimite celui-ci. Le renfoncement central et la bague d'inversion sont mobiles et sont conçus pour absorber les dépressions produites à l'intérieur du contenant.
Lisch G. David
Silvers Kerry W.
Vailliencourt Dwayne G.
Amcor Limited
Macrae & Co.
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