Squeeze bottle with valve septum

Details Squeeze bottle with valve septum Squeeze bottle with valve septum

1977-02-10

1979-01-09

Reeves, Robert B.

Dispensing

Resilient wall

With flow controllers or closures

222481, 222490, 222494, 137849, B65D 3552

Patent

active

041334574

ABSTRACT:
A liquid dispenser bottle of a resiliently flexible material has a relatively thin, resiliently flexible septum of circular planform seated on and spanning the dispenser outlet, peripherally sealingly clamped in place by a dispenser nozzle cap. The septum has a 90.degree. butt cut slit formation defining at least one resiliently flexible valve flap integrally joined along a hinge line area to the septum proper for outward deflection of the flap by internal liquid pressure when the dispenser is squeezed. The septum is also formed with at least one tiny hole, preferably on or in the vicinity of the hinge line area to increase flexibility of the valve flap, to serve as a vent to greatly accellerate relaxation and normalization of the squeeze bottle wall.

REFERENCES:
patent: 3410460 (1968-11-01), Musher
patent: 3674183 (1972-07-01), Venable

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