CPC B65D 41/0421 (2013.01) [B65D 2251/20 (2013.01)] | 20 Claims |
1. A closure for a container having a generally annular neck defining a container opening having a central axis, the neck having a top edge and inner and outer surfaces, the closure comprising:
an annular top wall having opposed inner and outer surfaces;
a generally annular skirt extending downwardly from the inner surface of the top wall, the generally annular skirt having opposed outer and inner surfaces, the inner surface of the generally annular skirt adapted to engage the outer surface of the neck of the container; and
an elastic annular seal member extending downwardly from an inner surface of the top wall, the annular seal member adapted to engage the inner surface of the neck of the container, wherein the elastic annular seal member comprises an inner surface, an outer surface, and an apex, wherein the outer surface of the elastic seal member is generally parallel to the central axis, and wherein the inner surface of the elastic seal member comprises a first section generally parallel to the central axis, and a second section tapered outwardly to meet the outer surface at the apex, wherein the second section comprises a width and wherein the second section is tapered outwardly along the entirety of the width of the second section.
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