| 摘要 |
PROBLEM TO BE SOLVED: To provide a jet nozzle by which the use quantity of rather expensive clean water or secondarily treated water is reduced and sewage water, river water or the like is jetted while inhibiting the clogging of a jetting port. SOLUTION: The jet nozzle is provided with a first nozzle 1 jetting a pressure fluid, a chamber like second nozzle 2 covering the surrounding of the jetting port 1a of the first nozzle 1, a jetting port 2a of the second nozzle 2 which is formed ahead of the jetting port 1a and a flow-in port 2b of nozzle water which is formed on the second nozzle 2. COPYRIGHT: (C)2007,JPO&INPIT
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