Hot-fillable bottle

Details Hot-fillable bottle Hot-fillable bottle

B - Operations, Transporting

65

D

B65D 1/02 (2006.01) B65D 1/42 (2006.01)

Patent

CA 2599706

A bottle having a base including an inwardly and upwardly projecting flexible surface within a generally continuous seating ring has a generally cylindrical wall extending upward from the base. A plurality of annular inwardly projecting, and vertically flexible rings extend about the cylindrical wall perimeter interrupting the cylindrical wall. At least one of rings projects inwardly more than some others of the rings to achieve a sidewall crush resistance that is at least as great as comparable bottles with thicker sidewalls. A shoulder portion, including a plurality of vertical ribs separating a plurality of vacuum responsive panels, extends upward from the cylindrical wall to a neck leading to a cappable opening. The vertical flexibility of the bottle sidewall reduces the amount of flexing required in the shoulder panels and base to accommodate the same vacuum development, and enhances the total amount of post capping vacuum development that can be accommodated by the bottle as a whole.

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