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专利名称：Container valve发明人：John W. Rilett申请号：US07/051744申请日：19870421公开号：US04760865A公开日：19880802
摘要：A fluid valve (3) for incorporation in a container (1) for storing a fluid underpressure and arranged for charging the container therethrough with, and dispensingtherethrough from the container, a pressurized fluid, has a chamber (4) having at one endan inlet (15) and at the other end an outlet (9) for the fluid; a valve piston (5) sealinglyguided and movable within the chamber (4); and a valve member (10) which is alsomovable within the chamber (4); the piston (5) having a valve seat (7) and the valve pistonhaving a valve seal (12) arranged for sealingly cooperating with the seat (7) which isdisposed towards the inlet (15). A passageway (8) leads from the seat (7) to the outlet(9). The valve member (10) is biased by a spring (13) against the seat (7) to close thepassageway (8), and has an extension (11) passing through the passageway (8) and theoutlet (9). The construction of the valve is such as to permit duly authorized operators torefill the container while tending to prevent unauthorized operators from doing so.
申请人：RILETT; JOHN W.
代理机构：Wood, Dalton, Phillips, Mason & Rowe
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