Dispensing – Plural sources – compartment – containers and/or spaced jacket – Interconnected discharge volume varying means
Patent
1978-02-03
1980-02-19
Scherbel, David A.
Dispensing
Plural sources, compartment, containers and/or spaced jacket
Interconnected discharge volume varying means
222135, 222309, 417398, 417429, 92 133, B67D 546
Patent
active
041890701
ABSTRACT:
A machine for metering and mixing two or more liquids, which are rapidly reactive to form a solid polymer, immediately prior to the injection of the liquids into a molding machine. The machine is characterized by two or more metering cylinders into which the liquid reactants are introduced from supply sources and ejected in stoichiometric ratio into a mixing head for injection into a molding machine. The machine is capable of both incremental and continuous variation of stoichiometric ratio. The first is achieved by provision of removable cylindrical liner sleeves of varying inside diameter and corresponding pistons for the mixing cylinders. The latter is achieved through the use of a movable fulcrum lever arm to control the stroke of the piston of at least one of the metering cylinders. The mixer head is characterized by a mixing chamber, a plurality of impingement jet nozzles oppositely spaced and the flow from which is characterized by Reynolds numbers exceeding about 120.
REFERENCES:
patent: 2548807 (1951-04-01), Morgan et al.
patent: 3231148 (1966-01-01), Miller
patent: 3499387 (1970-03-01), Zippel
patent: 3642175 (1972-02-01), Robbins
patent: 3664551 (1972-05-01), Ferrari
patent: 3737073 (1973-06-01), Lupert
patent: 4043486 (1977-08-01), Wisbey
Lee Ly J.
Macosko Christopher W.
Scherbel David A.
The Regents of the University of Minnesota
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