Dispensing valve with venting

Details Dispensing valve with venting Dispensing valve with venting

1994-10-11

1995-12-05

Kashnikow, Andres

Dispensing

Resilient wall

With flow controllers or closures

222494, B65D 3700

Patent

active

054721229

ABSTRACT:
A dispensing valve for a resiliently deformable container includes a flange diaphragm having a sealing surface abutting a seating surface surrounding a dispensing opening in the cap. The flange diaphragm is retained against the seating surface at specific points, leaving portions of the flange diaphragm free to deform away from the seating surface. Thus, after the dispensing operation as the walls of the container try to return to their rest position, air can ingress into the container through the dispensing opening by forcing portions of the flange diaphragm away from the seating surface, to allow for quick and efficient venting of the container.

REFERENCES:
patent: 4420101 (1983-12-01), O'Neill
patent: 4506809 (1985-03-01), Corsette
patent: 4513891 (1985-04-01), Hain et al.
patent: 4728006 (1988-03-01), Drobish et al.
patent: 5033655 (1991-07-01), Brown
patent: 5037005 (1991-08-01), Appleby et al.

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