Fluid handling – With repair – tapping – assembly – or disassembly means – Assembling – disassembling – or removing cartridge type valve
Patent
1984-08-22
1985-10-01
Chambers, A. Michael
Fluid handling
With repair, tapping, assembly, or disassembly means
Assembling, disassembling, or removing cartridge type valve
13761418, 1376142, 13753321, 1375121, 141 98, 215 18, 222147, B65B 304
Patent
active
045439800
ABSTRACT:
A valve for a pressurized container having a blocking element therein which is adapted to occupy an initial location in which fluid can move in and out of the container past the blocking element. The valve and blocking element are further configured such that the blocking element can be irreversibly moved to a position in which the valve permits escape of fluid under pressure exerted from the inside of the container, but which automatically closes in response to exposure to an external pressure greater than the pressure inside the container. The blocking element is formed of at least one flexible, radially extending arm whose lateral radius is reduced upon movement of the blocking element from the initial location to the final location. The at least one arm expands within the final location to prevent return of the blocking element to the initial location.
REFERENCES:
patent: 2979067 (1961-04-01), Kern, Jr. et al.
patent: 3407827 (1968-10-01), Follett
patent: 3589397 (1971-06-01), Wagner
patent: 3704813 (1972-12-01), Devol
patent: 3812841 (1974-05-01), Isascson
patent: 3830252 (1974-08-01), Follett
patent: 3985332 (1976-10-01), Walker
patent: 4072162 (1978-02-01), Bellehache et al.
patent: 4137955 (1979-02-01), Carlson
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