Coupling device

Details Coupling device Coupling device

1994-03-07

1995-04-04

Chambers, A. Michael

Fluid handling

Systems

Flow path with serial valves and/or closures

13761405, 285 92, F16L 3728

Patent

active

054028264

ABSTRACT:
A coupling device comprises a male coupling member and a female coupling member, each having outwardly extending ends which carry male and female sealing elements, respectively, formed with mating, spherical-shaped surfaces which are effective to force solvent or coating material which may have collected thereon into passageways formed in each of such sealing elements or onto facing surfaces of the coupling members to substantially prevent contamination of new coating material flowing through the coupling device after a cleaning and/or color change operation has been performed.

REFERENCES:
patent: 1844099 (1932-02-01), Meier
patent: 3315899 (1967-04-01), Quarve
patent: 3895748 (1975-07-01), Klingenberg
patent: 3999691 (1976-12-01), Doom
patent: 4004717 (1977-01-01), Wanke
patent: 4053012 (1977-10-01), Farmer
patent: 4124163 (1978-11-01), Siegmann
patent: 4142707 (1979-03-01), Bjorklund
patent: 4313475 (1982-02-01), Wiggins
patent: 4378028 (1983-03-01), Weber et al.
patent: 4660598 (1987-04-01), Butterfield et al.
patent: 5078168 (1992-01-01), Konieczynski
patent: 5088519 (1992-02-01), Giroux et al.

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