Dispensing – With discharge assistant – Fluid pressure
Reexamination Certificate
2009-04-14
2011-12-13
Gorman, Darren W (Department: 3752)
Dispensing
With discharge assistant
Fluid pressure
C222S402100
Reexamination Certificate
active
08074848
ABSTRACT:
Valve arrangement for a pressurized fluid container, consisting of a valve disc which may be sealingly connected to the fluid container, a valve body made of plastics which may be secured in an opening of the valve disc, a valve piston made of plastics which is guided in a through-channel of the valve body and cooperates with a sealing surface of the valve body and a spring arrangement cooperating with the valve body, which presses the valve piston against the sealing surface of the valve body, the valve body comprising a neck defining the through-channel and at least one collar segment, an annular groove being formed between the neck and the at least one collar segment, and into the annular groove a press ring being introduced, of which the thickness in the radial direction is such that the at least one collar segment is pressed in a spread-apart manner against the opening of the valve disc.
REFERENCES:
patent: 3180374 (1965-04-01), Muller et al.
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patent: 5762319 (1998-06-01), Kopp
patent: 6058960 (2000-05-01), Kopp
patent: 6817494 (2004-11-01), Lilenthal
patent: 7261225 (2007-08-01), Rueschhoff et al.
patent: 2028131 (2009-02-01), None
Horn Michael
Pittl Oskar
Gorman Darren W
Lindal Dispenser GmbH
Vidas Arrett & Steinkraus P.A.
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