Fluent material handling – with receiver or receiver coacting mea – Filling or refilling of dispensers – By operation of means causing or controlling dispensing
Patent
1996-06-21
1997-09-23
Luebke, Renee S.
Fluent material handling, with receiver or receiver coacting mea
Filling or refilling of dispensers
By operation of means causing or controlling dispensing
141348, 141351, 141352, 141353, 13761417, B65B 104, B65B 324, B65B 3100, B67C 300
Patent
active
056694261
ABSTRACT:
A dispensing device for dispensing pressurized gas from a canister includes a first, outer valve having a valve body disposed within a chamber of a housing and an annular valve stem extending away from the valve body through an opening of a formation of the canister. The outer valve is movable between an open position in which fluid communication between the interior region of the canister and a chamber of the outer valve body is achieved, and a closed position. A spring is provided for biasing the outer valve to its closed position. A second, inner valve is disposed within the outer valve, the inner valve having a valve member and a valve stem extending away from the valve member. The valve stem of the inner valve is disposed within the valve stem of the outer valve and extends coaxially therewith. The inner valve is movable between an open position in which the valve member of the inner valve is moved relative to the valve stem of the outer valve to allow fluid communication between the outer valve and atmosphere, and a closed position. Another spring is provided for biasing the inner valve to its closed position.
REFERENCES:
patent: 2881810 (1959-04-01), Breitenstein
patent: 2989091 (1961-06-01), Lowenthal
patent: 3144057 (1964-08-01), O'Donnell
patent: 3653416 (1972-04-01), Hocq
patent: 3705785 (1972-12-01), Goto
patent: 4250934 (1981-02-01), Wada
Colibri Corporation
Luebke Renee S.
Maust Timothy L.
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