Dispensing valve assembly for a beer keg

Details Dispensing valve assembly for a beer keg Dispensing valve assembly for a beer keg

2003-04-30

2009-06-16

Ngo, Lien T (Department: 3754)

Dispensing

With discharge assistant

Fluid pressure

C137S212000

Reexamination Certificate

active

07546935

ABSTRACT:
A dispensing valve assembly for a beer keg comprises a body (11) having a pair of flexible legs (24) which form non-pivotal projection means when splayed outwardly by locking means (14) fixed on a valve stem (12) which is biased sealingly to engage a valve seat (32) of the body (11). The valve stem (12) has an internal valve seat against which is biased a plug (33). In a first position of the locking means (24), when the valve stem is off its valve seat (32), the legs (24) are unsplayed and can pass through an opening of the beer keg, whilst once the valve assembly is thereafter engaged in the beer keg the locking means are allowed to move under spring means (45) to splay the legs outwardly and prevent removal of the assembly from the keg. A special insertion tool is provided to hold the valve stem off its valve seat, and thus the locking means in its first position, prior to assembly of the valve in the beer keg, removal of the tool thereafter allowing the locking means automatically to move to its second position.

REFERENCES:
patent: 3672390 (1972-06-01), Gravesteijn
patent: 3939860 (1976-02-01), Golding
patent: 4685598 (1987-08-01), Nezworski
patent: 5242092 (1993-09-01), Riis et al.
patent: 5653253 (1997-08-01), Larsen
patent: 5833098 (1998-11-01), Gomi
patent: 6367660 (2002-04-01), Chang
patent: 0 761 555 (1997-03-01), None
patent: 2 331 294 (1999-05-01), None
patent: 2 335 654 (1999-09-01), None
International Search Report mailed Aug. 19, 2003, in parent International Application No. PCT/GB03/01860.

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