DEVICE FOR SPRAYING POWDERY CHEMICAL AGENT AND PROCESS FOR SPRAYING POWDERY CHEMICAL AGENT
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United States of America Patent
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Issued Date -
Oct 22, 2015
app pub date -
Dec 3, 2013
filing date -
Dec 3, 2012
priority date (Note) -
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Abstract
A powdery chemical agent spraying device (1) includes a container body (11) in which water (51) is to be put; a cylindrical body (23) which is set so as to penetrate a cap (21) that covers a top opening (13) and both ends of which are present respectively in the inside and outside of the container body (11); one pair of sealing films (25,27) which seal respectively both ends of the cylindrical body (23) that is loaded with a powdery chemical agent (30) and which can be broken by the action of a pressure equal to or higher than a prescribed level; and sodium bicarbonate (41) and citric acid (43) which react with the water (51) present in the container body (11) to generate a reaction gas.
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