Patent ID: 9494245
Filing Date: 2016-11-15
CPC Classification: B23P,B29C,F16K

Claim Text:
1. A valve assembly, said valve assembly comprising: a valve body, said valve body including a valve bore and a sealing edge; a valve stem disposed in said valve bore, said valve stem comprising an inner member having a main section and an arm extending from said main section, and an elastic cover molded over said inner member, said cover including a main cover portion, an arm cover portion, and an end portion, with said main cover portion disposed over said main section and with said end portion being spaced from said main cover portion beyond an end of said arm by said arm cover portion, said end portion defining an outer diameter that is greater than the outer diameter of said arm cover portion and said valve stem further including a seal member distally disposed from said main cover portion, said seal member defining an outer diameter that is greater than the outer diameter of said arm cover portion; said main cover portion including a sealing surface that operatively engages with said sealing edge to selectively form a seal, said arm cover portion being disposed over said arm of said inner member, and said seal member contacting said valve bore to form a seal there against, said end portion extending axially beyond said end of said arm with said end of said arm defining a distal end of said inner member and said end portion being unsupported by said inner member beyond said end of said arm whereby said end portion is radially inwardly collapsible.