Plug closure with integral pull ring
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United States of America Patent
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-
Sep 1, 1998
Grant Date -
N/A
app pub date -
Mar 25, 1996
filing date -
Mar 25, 1996
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A removable plug for use in combination with a planar closure having an aperture formed therein. The plug body is of shallow cylindrical configuration and has a top flange which is partially subdivided into inner and outer ring portions by a combination of weak frangible links and strong non-frangible links. A tab integral with the outer ring portion overlies a ledge ring on the closure body to facilitate initialization of the removal process. Location of the pull ring around the maximum diameter of the top flange maximizes leverage and provides a large ring capable of accommodating several fingers of one's hand.
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