Aerosol valve actuator

Details Aerosol valve actuator Aerosol valve actuator

2006-09-12

2006-09-12

Kaufman, Joseph A. (Department: 3754)

Dispensing

With lock or fastening seal

For a fluid pressure discharge assistant

C222S190000, C222S402110, C222S402130

Reexamination Certificate

active

07104424

ABSTRACT:
An aerosol valve actuator with a valve stem engaging portion, product dispensing opening, and flexible and expandable product conduit between the engaging portion and dispensing opening. The product conduit is molded at least in part of a first expandable flexible plastic material softer than a second plastic material of the remainder of the actuator. The remainder of the actuator is first molded, followed by molding the first plastic material to form at least a part of the product conduit. After the actuator has been actuated to dispense a foaming product and actuation ceases, the post-foaming product expands within the product conduit since the conduit expands to absorb the product expansion. Actuator cap and base product dispensing side openings align only during valve actuation. Base inwardly flexible members and cap internal ramps bias the cap upwardly when actuation ceases. Base upper portion telescopes in base lower portion during actuation.

REFERENCES:
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patent: 3991916 (1976-11-01), Del Bon
patent: 5027982 (1991-07-01), Demarest
patent: 5105988 (1992-04-01), Knickerbocker
patent: 5242087 (1993-09-01), Keldenich et al.
patent: 5360145 (1994-11-01), Gueret
patent: 5732855 (1998-03-01), van der Heijden
patent: 6158625 (2000-12-01), Siegel et al.
patent: 6264067 (2001-07-01), Lasserre
patent: 2004/0112924 (2004-06-01), Albisetti

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