Material or article handling – Apparatus for moving material between zones having different... – Including serially arranged valves in path having a vertical...
Patent
1978-01-16
1980-01-15
Makay, Albert J.
Material or article handling
Apparatus for moving material between zones having different...
Including serially arranged valves in path having a vertical...
13761411, 222448, F27B 318
Patent
active
041837053
ABSTRACT:
A reciprocating airlock valve used in the transfer of granular and powdered stock between two operations and the maintenance of a pressure differential therebetween. The airlock valve designed to maintain an air seal between the two operations while providing continuous material flow through the valve.
REFERENCES:
patent: 1369649 (1921-02-01), Gieseler
patent: 2408945 (1946-10-01), Mohr, Jr. et al.
patent: 2606672 (1952-08-01), Avery
patent: 3128915 (1964-04-01), Matter
patent: 3606040 (1971-09-01), Euteneuer
patent: 3633897 (1972-01-01), Vogel
K-B Engineering Co.
Makay Albert J.
Widdowson John H.
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