A seat block capable of maintaining a well-fitted state of a seat portion in a simple and reliable manner regardless of use conditions. A seat portion base body (43) is provided in a housing (67) provided with a valve passage (66) and allows a piston (28) for opening and closing a valve passage (66) to be pressed on the seat portion base body (43). A spring member (23) applies an elastic force to the seat portion base body (43) such that the elastic mechanism (23) cooperates with the housing (67) to retain the seat portion base body (43).
申请公布号
EP1860357(A4)
申请公布日期
2010.09.15
申请号
EP20060728556
申请日期
2006.02.28
申请人
KABUSHIKI KAISHA KAWASAKI PRECISION MACHINERY
发明人
NOMICHI, K .;SUZUKI, Y.;NINOMIYA, M. RY;FUNAKUBO, Y.