Valve for aerosol can

Details Valve for aerosol can Valve for aerosol can

2007-08-28

2007-08-28

Shaver, Kevin (Department: 3754)

Dispensing

With discharge assistant

Fluid pressure

C222S402100, C222S402240

Reexamination Certificate

active

11242597

ABSTRACT:
A valve assembly for an aerosol can comprises a valve conduit having an inlet, an outlet, a valve seat in the flow path between the inlet and the outlet, and a resilient mounting of a valve member that permits relative movement of the valve member relative to the valve conduit. The valve member further comprises a valve element that is movable to sealingly engaging the valve seat, and a stem projecting from the valve member through the outlet of the valve conduit. During the movement of the valve member relative to the valve conduit, the movable tapered sealing surface associated with the valve member is configured to engage and concentrically align with a tapered valve seat on the valve conduit to establish an effective seal against the valve seat.

REFERENCES:
patent: 3521859 (1970-07-01), Gronemeyer
patent: 3647121 (1972-03-01), Ayres
patent: 4471893 (1984-09-01), Knickerbocker
patent: 4852807 (1989-08-01), Stoody
patent: 5014887 (1991-05-01), Kopp
patent: 6058960 (2000-05-01), Kopp
patent: 6371338 (2002-04-01), Klein et al.
patent: 6817494 (2004-11-01), Lilienthal
patent: 2003/0071081 (2003-04-01), Lilienthal
patent: 2003/0141322 (2003-07-01), Groeger

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