| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a valve device having a structure that can be simplified. <P>SOLUTION: An opening 15 through which a valve element 20 can be inserted into a housing 10 is formed at an illustrated upper end of a cylindrical portion 11 of the housing 10. A spring 30 to press the valve element 20 against a valve seat 14 is formed in a truncated cone shape in external form. A small diameter end 31 is brought in contact with the valve element 20, and a large diameter end 32 is engaged with an engaging claw section 16, an engaging recess 16a and an engaging projection 17 which are formed around the opening 15 of the cylindrical portion 11. <P>COPYRIGHT: (C)2013,JPO&INPIT |
