作者: Robert D. Rohr , Gary M. Baughman
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摘要: A unitary capseal for a closure that is installed in container includes an annular sidewall, generally circular top panel joined to the snap-on rim formed adjacent lower edge of and sealing lip rim. The cooperating serrated flange, closing plug threaded receipt by gasket positioned therewith. end around flange interlocking with serrations creating outer channel receives assembly turn positions over closure. extends radially outwardly from sidewall concave surface facing off interior portions collecting debris.