| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a check valve having a strength capable of withstanding a high pressure environment while having the same plate thickness as that of a conventional check valve and a simple structure as before. <P>SOLUTION: The check valve includes: a valve seat having a groove in the outer circumference as well as a valve seat section; a circular valve element made of a thin plate; and a valve holder having multiple legs disposed in an approximate circle and multiple valve stoppers fastened to the legs. The multiple legs are coupled with the adjacent legs, and the valve stoppers are made of a longitudinal member extended in the approximately central direction of the cross section of the valve holder. <P>COPYRIGHT: (C)2010,JPO&amp;INPIT</p> |
