Cartridge closure with opening and closing means
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United States of America Patent
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Dec 28, 2004
Grant Date -
Jul 15, 2004
app pub date -
May 9, 2003
filing date -
Jan 13, 2003
priority date (Note) -
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status (Latency Note)
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Abstract
In a cartridge closure with opening and closing means comprising a mouth piece with an open end and a closure part having a sleeve portion axially movably supported on the mouthpiece, a transverse wall is supported by support webs in axially spaced relationship from the open end of the mouthpiece and the closure part includes a neck portion of a smaller diameter than the sleeve portion with a transition area between the neck portion and the sleeve portion which includes a conical seal surface area which, in the closing position of the sleeve portion, sealingly engages a circumferential edge of the transverse wall.
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