Metering valves for pressurised dispensing containers

Details Metering valves for pressurised dispensing containers Metering valves for pressurised dispensing containers

1999-07-21

2000-08-01

Chambers, A. Michael

Fluid handling

With casing, support, protector or static constructional...

Jacketed

251353, 251354, 251368, 2224021, 222183, F16L 700

Patent

active

060951826

ABSTRACT:
This invention relates to metering valves for pressurised dispensing containers.
The present invention provides a metering valve for use with a pressurised dispensing container. The valve comprises a valve stem (1) co-axially slidable within a valve member (2) defining an annular metering chamber (13). Outer and inner annular seals (4, 5) are operative between the respective outer and inner ends of the valve member (2) and the valve stem (1) to seal the annular metering chamber (13) therebetween. Wherein the valve member (2) comprises a main component part (17) and a liner (16) lining at least a portion of an inner surface of the main component part (17). The liner (16) is made of a material selected from, a ceramic, a metal or a glass and the main component part (17) is made of another material.

REFERENCES:
patent: 3276086 (1966-10-01), Clouzeau et al.
patent: 3313459 (1967-04-01), Mizuguchi
patent: 4405178 (1983-09-01), Brandenburg

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