Dispensing – Supply containers with traps – With trap chamber cutoffs
Patent
1984-04-11
1985-08-06
Rolla, Joseph J.
Dispensing
Supply containers with traps
With trap chamber cutoffs
222288, 222453, B67D 300
Patent
active
045330700
ABSTRACT:
Metering valve, including a substantially vertically-disposed tubular housing, the housing having an upper and a lower end, the lower end of the housing having a valve seat formed thereon and an outlet opening formed therein, a cap being integral with the upper end of the housing and having an impact surface formed thereon, a substantially tubular ram being axially liftable by a magnetic force field in the housing, the ram having an upper and a lower end, the lower end of the ram having a sealing cone formed thereon and the ram having drainage ports formed therein in vicinity of the sealing cone, the drainage ports being operable to leak fluid below the ram when the ram is lifted, the upper end of the ram being operable to adjoin the impact surface of the cap when the ram is lifted, and the valve seat having at least one selectively operable air inlet formed therein being associated with the outlet opening.
REFERENCES:
patent: 1584878 (1926-05-01), McQuarrie
patent: 1834628 (1931-12-01), Marshall et al.
patent: 2322866 (1943-06-01), Merz
patent: 4109829 (1978-08-01), Kuckens et al.
Deininger Anton
Farber Karlheinz
Nelzow Hartmann
Bosch-Siemens Hausgeraete GmbH
Greenberg Laurence A.
Lerner Herbert L.
Rolla Joseph J.
Shaver Kevin P.
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