| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a check valve for a spray nozzle, which includes a valve housing having a pipe shape, a shielding body and a valve seat where the shielding body is disposed movably in a lengthwise direction of the valve housing having a pipe shape, and to provide a nozzle pipe. <P>SOLUTION: The shielding body is connected to the valve housing using a corrugated pipe disposed parallel to the lengthwise direction. The shielding body is forced to the direction on the valve seat by a spring action of the corrugated pipe. The use, for example, for a nozzle for removing scales is provided. <P>COPYRIGHT: (C)2013,JPO&INPIT |
