Patent ID: 6948698

Claim:
A valve for a pressurized canister comprising, in combination: a housing having a central aperture extending therethrough, a first set of external threads, and a second set of external threads positioned radially inwardly of the first set of external threads; a sealing member positioned in an axially outward end of the central aperture and axially moveable with respect to the housing to seal and unseal the central aperture; a first spring biasing the sealing member axially outwardly; an axially slidable member received in the central aperture and providing a fluid passage therethrough; a second spring resiliently biasing the axially slidable member axially outwardly; a threaded member threadingly engaging a radial aperture in the housing, a radially inner end of the threaded member engageable with an axially outer end of the axially slidable member; and a plurality of radially moveable members, each radially moveable member positioned in a corresponding aperture formed in the housing, a lip formed on an exterior of the housing about each corresponding aperture, each radially moveable member moveable between the lip and the second spring; wherein an exterior surface of an axially inner end of the axially slidable member engages and forces each radially moveable member radially outward into contact with the lip when the threaded member is in a tightened position.