Invention Grant
US08496130B2 Hot-fill container having movable ribs for accommodating vacuum forces 有权
热填充容器具有用于容纳真空力的活动肋

Hot-fill container having movable ribs for accommodating vacuum forces
Abstract:
A one-piece plastic container includes a container body and an upper portion having a finish. Integrally formed with the finish and extending downward therefrom is a shoulder region. The shoulder region merges into and provides a transition between the finish and a sidewall portion. The sidewall portion extends downward from the shoulder region to a base portion having a base. The sidewall portion defines a series of horizontal lands and horizontal ribs. The horizontal lands and horizontal ribs extend continuously in a vertical direction from the shoulder region to the base portion. The horizontal ribs are designed to achieve optimal performance with regard to vacuum absorption, top load strength capabilities and dent resistance.
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