HIGH EXPANSION FOAM FIRE-EXTINGUISHING SYSTEM
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United States of America Patent
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Issued Date -
Jan 7, 2010
app pub date -
Jul 1, 2009
filing date -
Jul 4, 2008
priority date (Note) -
Abandoned
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Abstract
To obtain a desired foam expansion ratio even after aspiration of smoke, provided is a high expansion foam fire-extinguishing system, which discharges foam using a foam solution that has a dynamic surface tension γ of 25 mN/m or less, which is measured at a life time of 100 msec by a maximum bubble pressure method under a condition of a liquid temperature of 20° C.
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