Insert for crown or screw caps for the closure of bottles
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United States of America Patent
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Sep 22, 2015
Grant Date -
Jul 1, 2010
app pub date -
Mar 21, 2007
filing date -
Mar 21, 2006
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
An insert (8) for a screw (1) or crown (1′) cap for the closure of bottles (10) is described, the said cap (1, 1′) including a body (2) and the insert (8) being designed to be fixed to the body facing the interior of the bottle (10) when the cap (1, 1′) is closed over the said bottle. The insert (8) comprises a sealing element (9) capable of being compressed in one part between the body and a portion of the bottle (10) when the cap (1, 1′) is closed over the bottle, as well as a permeating element (16, 109, 209), connected to the sealing element, impermeable to liquids and having a permeability to oxygen measured at 20° C. of between 10−6 and 10−10 (Ncm3*cm/cm2*cmHg*s), which is designed to close a passage made in the said cap between the inside and outside of the bottle, in order to control the flow of oxygen between the inside and outside of the bottle.
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