CLOSURE PACKAGE AND MANUFACTURING METHOD THEREOF
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United States of America Patent
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Issued Date -
Aug 21, 2014
app pub date -
Sep 6, 2012
filing date -
Sep 8, 2011
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
An improved valve (1) and countervalve (2) package and the manufacturing method thereof are disclosed. The package comprises at least one valve provided with a housing pocket and a countervalve, mutually coupled with respective peripheral surfaces with respect to said pocket, and along a substantial portion of the common perimeter edge of the valve (1) and of the countervalve (2) a sealing bead (3) is externally applied, obtained from an injectable plastic material through an injection mould
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