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

2005-09-13

2005-09-13

Weaver, Sue A. (Department: 3727)

Bottles and jars

End wall structure

One-piece side and end wall

C215S371000, C220S606000, C220S609000

Reexamination Certificate

active

06942116

ABSTRACT:
A plastic container having a base portion adapted for vacuum pressure absorption. The base portion including a contact ring upon which the container is supported, an upstanding wall and a central portion. 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 and an inversion ring which generally circumscribes the central pushup. The central pushup and the inversion ring being moveable to accommodate vacuum forces generated within the container.

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International Search Report, International Application No. PCT/NZ03/00220, Mailing Date Nov. 27, 2003, Authorized Officer Adriano Giacobetti.

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