Patent ID: 6901902

Claim:
A valve stem seal assembly for use in a valve-containing device having a valve with a valve stem thereon, said valve stem assembly including: a generally hollow first cylindrical shell having a radially inwardly extending flange adjacent an axially outer end of said shell and a radially outwardly extending flange adjacent an axially inward end of said shell; a generally hollow second cylindrical shell having a radially outwardly extending seat adjacent an axially outer end thereof and a radially inwardly extending flange adjacent an axially inward end thereof, a portion of said first shell extending axially within an inner surface of said second shell, said second shell further including a generally axially-extending engagement portion adjacent said second shell axially inward end, said axially-extending engagement portion engaging a portion of an outer surface of said first shell in an interference fit therebetween; and a resilient sealing body supported by said first shell, said resilient sealing body having an opening therethrough for receiving the valve stem in sealing contact therewith when said valve stem seal assembly is assembled into the valve-containing device.