| 摘要 |
A closure for a hot-filled container may have a base adapted to be coupled to the container, the base having a bottom side and a top side; and a roof having an outer diameter, the roof being coupled to the top side of the base at the outer diameter, the roof having: a plurality of substantially flat concentric panels elevated from the top side of the base, wherein each panel is elevated from the next outermost adjacent panel by a sidewall; and a substantially flat center coupled to an inner diameter of an innermost substantially flat panel and elevated therefrom
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