Fluid handling – Systems – Flow path with serial valves and/or closures
Patent
1994-11-14
1995-12-26
Chambers, A. Michael
Fluid handling
Systems
Flow path with serial valves and/or closures
2511496, 251902, F16L 3728
Patent
active
054778832
ABSTRACT:
A self-sealing bag valve for use with a quick-disconnect coupling in a bag-in-box (BIB) syrup dispensing assembly for a post-mix beverage dispenser includes a plastic spring assembly for normally biasing a poppet of a self-sealing valve into sealing engagement with a valve seat thereof. The spring assembly includes a petaloid-shaped disc having evenly spaced petaloid segments defining flow passages therebetween, a retaining ring for securing peripheral portions of the petaloid-shaped disc in fixed positions in the bore of the self-sealing valve and a petaloid stem protruding from the disc into engagement with the valve poppet. The petaloid-shaped disc includes a first frusto-conical portion extending from the retaining ring to a circular termination line concentric with the ring and a second frusto-conical portion extending from the circular termination line to the petaloid stem. The first and second frusto-conical portions, when in an installed, normal biasing position (the closed position of the self-sealing valve), have opposite slopes with respect to an axis orthogonal to the petaloid disc providing a bend about the circular termination lines forming knees in each petaloid segment for accommodating flexing of the elements about the knees. A groove is provided in the central bore of the valve housing for accommodating a snap-fit of the retaining ring therein.
REFERENCES:
patent: 4421296 (1983-12-01), Stephens
patent: 4445539 (1984-05-01), Credle
patent: 4564132 (1986-01-01), Lloyd-Davies
patent: 4948014 (1990-08-01), Rutter et al.
patent: 5031662 (1991-07-01), Roethel
patent: 5255713 (1993-10-01), Scholle
patent: 5390898 (1995-02-01), Smedley et al.
Chambers A. Michael
The Coca-Cola Company
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