Device for packaging a liquid to be dispensed drop by drop
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United States of America Patent
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-
Jan 8, 2002
Grant Date -
N/A
app pub date -
May 3, 2000
filing date -
Nov 4, 1997
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
The invention concerns a device comprising a flask (1) with variable internal volume having a rigid neck (5) wherein is arranged the body (3) of a dispensing head (2) ending in a conduit (41) discharging the liquid and containing a microporous pad (6) for generating a head loss regulating the liquid flow pushed therethrough into a distribution chamber (31) communicating with said conduit. The pad is advantageously made of a material inert with respect to the liquid and combined with an antibacterial filtering element (9) preventing outside air from entering the flask. It evenly occupies the body (3) over the whole cross-section of the liquid passage.
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