Dispensing closure mechanism for resiliently squeezable receptac

Details Dispensing closure mechanism for resiliently squeezable receptac Dispensing closure mechanism for resiliently squeezable receptac

1985-02-08

1986-01-14

Rolla, Joseph J.

Dispensing

Resilient wall

With flow controllers or closures

222508, B65D 3700

Patent

active

045641315

ABSTRACT:
Disclosed are closure mechanism for the open-neck of manually resiliently squeezable receptacles permitting fluids of a wide viscosity range to be dispersed through the open-neck only so long as manual pressure is being exerted against a visually indicated portion of the receptacle deflectable wall. The dispensing closure mechanism generally includes: a cap for the receptacle open-neck and having an outlet-opening; an elongate spindle within the receptacle along the central-axis thereof, the spindle remote of the cap having a trailward-length provided with a circumferential discontinuity type fulcrum and also with a preferably trailwardly convergent shoulder contactable by the manually squeezed receptacle to move the spindle directionally normal to the central-axis; clampably mounted trailwardly of the cap outlet-opening, a centrally-open and stretchable gasket constrictably surrounding the spindle leadward-length; and an adapter separable from the cap but having a longitudinally arrested relationship thereto, the adapter having a fluid-pervious reticulated trailward-skirt pivotably connected to the spindle trailward-length fulcrum and also having a medial flange extending in sealing relationship between the cap and the receptacle open-neck.

REFERENCES:
patent: 523254 (1894-07-01), Winkley
patent: 1288090 (1918-12-01), McNish
patent: 2107106 (1938-02-01), Crook
patent: 2857080 (1958-10-01), Elias
patent: 2908423 (1959-10-01), Bross
patent: 3868188 (1975-02-01), Velardi
patent: 4478358 (1984-10-01), Lantry

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