Vacuum absorbing bases for hot-fill containers
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United States of America Patent
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Sep 5, 2017
Issued Date -
N/A
app pub date -
Jun 30, 2016
filing date -
May 23, 2003
priority date (Note) -
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Abstract
A polymeric container including an upper portion defining an opening to an interior volume of the container. A base is movable to accommodate vacuum forces generated within the container, thereby decreasing the volume of the container. A substantially cylindrical sidewall extends between the upper portion and the base. A rigid, central pushup portion of the base is at an axial center of the base. A central longitudinal axis of the container extends through a center of the central pushup portion. A flexible diaphragm of the base extends outward from the central pushup portion.
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