Valve for liquid dispensing system

Details Valve for liquid dispensing system Valve for liquid dispensing system

2011-02-15

2011-02-15

Jacyna, J. Casimer (Department: 3754)

Dispensing

With resilient biasing means for outlet element

For elements reciprocable axially of discharge opening

C222S505000, C222S514000, C251S322000, C251S325000, C251S354000

Reexamination Certificate

active

07886942

ABSTRACT:
A valve for a liquid dispensing system includes a casing having an interior sidewall. A hollow dispensing pin is positioned within the casing. The dispensing pin has a first end, a second end, an exterior surface, and an interior flow passage. At least one radial dispensing passage extends from the interior flow passage through to the exterior surface at the first end of the dispensing pin. A first plunger is disposed between the interior sidewall of the casing and the exterior surface of the dispensing pin. The first plunger engages both the interior surface of the casing and the exterior surface of the dispensing pin. The first plunger is movable between a closed position blocking any flow through the at least one radial dispensing passage and an open position toward the second end of the dispensing pin spaced from the at least one radial dispensing passage.

REFERENCES:
patent: 2686652 (1954-08-01), Carlson et al.
patent: 3206075 (1965-09-01), Scholle
patent: 3252634 (1966-05-01), Scholle
patent: 4655374 (1987-04-01), Guerette
patent: 4671436 (1987-06-01), Hagan
patent: 2003/0006254 (2003-01-01), Itou et al.

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