Dispensing – Resilient wall – With flow controllers or closures
Patent
1987-04-03
1988-05-31
Skaggs, H. Grant
Dispensing
Resilient wall
With flow controllers or closures
222496, B65D 3700
Patent
active
047475226
ABSTRACT:
A fluid dispensing device having a container with a collapsible body section and an upper neck which is adapted to receive therein a dispensing head which is automatically self-closing. The dispensing head has a housing defining a dispensing channel vertically therethrough in which a valve is positioned having a valve head for abutting a valve seat defined in the upper portion of the dispensing channel and a valve stem extending downwardly to a valve flange. A resilient member is secured to the upper face of the valve flange and in contact with the bottom surface of the housing to urge the valve into a closed position. The spring is positioned outwardly from the valve stem and exerts bias at multiple exterior points about the valve flange to create a completely equal and upwardly directed bias in order to maintain smooth operation of movement of the valve between an open and a closed position. Fluid flow holes are defined in the flange to facilitate the flow of fluid out the annular dispensing channel defined between the external diameter of the valve stem and the internal diameter of the dispensing channel. A one-way check valve is located in the housing of the dispensing head or the container to facilitate the flow of air from the external environment. The valve flange can include a plurality of individual struts in a wheel-like configuration.
REFERENCES:
patent: 2080427 (1937-05-01), McLaughlin
patent: 2168297 (1939-08-01), Voke
patent: 2772817 (1956-12-01), Jauch
Noland Kenneth
Skaggs H. Grant
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