Recorders – Markers and/or driving means therefor – With ink supply to marker
Patent
1982-09-14
1985-01-29
Goldberg, E. A.
Recorders
Markers and/or driving means therefor
With ink supply to marker
346 75, 13761405, 137508, G01D 1518, F16L 3728
Patent
active
044969597
ABSTRACT:
A fluid coupler for making a leakage-free connection between first and second fluid-containing members. One half of the coupler comprises a plate having a conical opening in one surface across which an elastic sealing membrane is stretched by a clamping ring, the elastic sealing membrane having a slit at its center which is kept closed by the stretching action of the clamping ring. The other half of the fluid coupler comprises a hemispherical member having an axial aperture and a valve which is positioned within the aperture. When the two coupling halves are brought together, the hemispherical member presses against the elastic sealing membrane thereby opening the slit and expelling any air present in the coupling region.
REFERENCES:
patent: 3747120 (1973-07-01), Stemme
patent: 3871004 (1975-03-01), Rittberg
patent: 4143853 (1979-03-01), Abramson
patent: 4144537 (1979-03-01), Kimura et al.
patent: 4330010 (1982-05-01), Drescher et al.
patent: 4342042 (1982-07-01), Cruz-Uribe et al.
patent: 4376283 (1983-03-01), Bower
patent: 4429713 (1984-02-01), Walter
Goldberg E. A.
Olympia Werke AG
Preston Gerald E.
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