A plastic closure for a container, said closure comprising:
- a base wall,
- a peripheral skirt having an inner surface and a central closure axis,
- interengaging means on said inner surface of said skirt for engaging a container,
- said base wall having an inner substantially planar surface,
- a liner compression molded on said inner surface of said base wall,
- said liner having a periphery with a peripheral edge spaced radially inwardly from said peripheral skirt and said interengaging means on said skirt,
- said periphery of said liner including an outer surface spaced axially from said base wall, said outer surface being inclined inwardly toward the axis of said closure and axially away from said base wall,
- said inclined outer surface on said periphery of said liner extending continuously from said peripheral edge of said liner at a constant angle radially and axially of said base wall.