Container closures including a retaining flange and a cutter
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United States of America Patent
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-
Feb 21, 2012
Grant Date -
Jul 23, 2009
app pub date -
May 15, 2007
filing date -
May 26, 2006
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A closure for a container comprises a circular closure plate (2, 4), integral with the outer edge of which is a depending skirt (8), integrally connected to the lower end of which by means of a resilient annular integral hinge (10) is an annular flange (12), which extends generally upwardly and inwardly. The closure also includes a cutter assembly which includes a cutting blade (38) and is mounted to rotate about the center of the closure plate (2, 4). The integral hinge (10) has a hole formed in it through which the cutting blade (38) extends. Rotation of the cutter assembly about the center of the closure plate thus results in cutting of the integral hinge (10) and thus in release of the closure plate (2, 4) and the depending skirt (8) from the annular flange (12).
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