Constant force peelable seal for container
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United States of America Patent
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N/A
Issued Date -
Mar 29, 2007
app pub date -
Aug 28, 2006
filing date -
Aug 26, 2005
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A peelable lid conforms to a container having pointed edges at opposing ends forming an eye or boat configuration. The pointed edges provide starting and stopping points for removal of the lid from the container. The pointed edges minimize the peel front at the start of the removal of the lid and at the end of the container when dislodging the lid completely from the container. The peel front is proportional to the peel force at any given location on the lid, so that the minimized peel front provides a constant peel force during the removal of the lid. The peelable seal may also be formed, by a perforated, scored or otherwise tearable area around the periphery of the lid allowing the peel front to progressively proceed along the periphery of a sealing flange.
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