Automatic dispensing device for laundry care composition
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United States of America Patent
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Jul 15, 2008
Grant Date -
Apr 20, 2006
app pub date -
Oct 18, 2004
filing date -
Oct 18, 2004
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A non-intrusive device for automatically dosing at least one liquid laundry care composition to an automatic laundry washing machine. The device employs a Venturi tube mechanism or a pump to dose the laundry detergent care composition. The dosing is controlled by a machine-generic algorithm capable of determining the actual cycle at any duration of wash for various cycle designs from various washing machines, without the input of precise cycle design; and dose the correct products correctly and is capable of distinguishing between major water addition and a water pulse.
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