Adjustable valve and dispenser provided with a valve of this kin

Details Adjustable valve and dispenser provided with a valve of this kin Adjustable valve and dispenser provided with a valve of this kin

1992-07-13

1993-12-21

Nilson, Robert G.

Fluid handling

Line condition change responsive valves

Direct response valves

137855, 222207, 222494, F16K 1514

Patent

active

052714322

ABSTRACT:
One-way valve having a flap (4) formed by a partially elastic element comprising, on the one hand, a rigid part (5) fixed by a hooking means (6) to a container (1) containing a viscous product (2) and, on the other hand, an elastic part (8) bearing elastically against a sealing zone (9) integral with the container, the said valve having adjusting means (11, 12) for adjusting the bearing force of the said elastic part on the said sealing zone, the said adjusting means also forming the said hooking means.

REFERENCES:
patent: 3160329 (1964-12-01), Radic
patent: 3297048 (1967-01-01), Imhof
patent: 3610698 (1971-10-01), Gachot
patent: 4550749 (1985-11-01), Krikorian
patent: 4867740 (1989-09-01), East
English summary FR 70076 Feb. 1959.
English summary FR 931126 Feb. 1948.
English summary FR 2373740 Jul. 1978.

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