Peristaltic valve for transferring material between zones

Material or article handling – Apparatus for moving material between zones having different... – Including serially arranged valves in path having a vertical...

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100221, 222450, 406198, 251 611, F16K 710

Patent

active

042869102

ABSTRACT:
The method of transferring the material between a first and second zone having different atmospheres of a first and second fluid utilizing spaced sealing members and a liner extending between sealing members, said sealing members and liner adapted to be manipulated in a sequence to permit the material to pass from the first zone to the second zone without an admixing of the atmosphere.

REFERENCES:
patent: 2673011 (1954-03-01), Rood et al.
patent: 2732980 (1956-01-01), holm
patent: 2829600 (1958-04-01), Sveda
patent: 2889892 (1959-06-01), Schaub
patent: 3212671 (1965-10-01), Rock
patent: 3433245 (1969-03-01), Cymbalisty
patent: 3491922 (1970-01-01), Mylting
patent: 3654959 (1972-04-01), Kassel
patent: 3862780 (1975-01-01), Senn
patent: 4025121 (1977-05-01), Kleysteuber et al.
patent: 4060183 (1977-11-01), Puurunen

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