| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an air bubble discharger which can prevent the leakage of a contained liquid in the stage of circulation or when a consumer brings the purchased discharger back home and also, can prevent an outside water from penetrating into the internal air chamber of a cylinder which is expanded and contracted by an air piston and suck the outside air into the air chamber under a simple construction. <P>SOLUTION: This air bubble discharger 10 is equipped with a forced closing means 90 which can forcibly close an air sending path 75 for guiding the internal air of the air chamber A to an air bubble forming part 80. In addition, an opening/closing valve 76 is installed in the air sending path 75 and closes when the air chamber A is not pressurized, and opens when the air chamber A is pressurized. Besides, the forced closing means 90 keeps the opening/closing valve 76 closed. <P>COPYRIGHT: (C)2011,JPO&INPIT |
