Method of and device for dispensing viscous concentrates of vari

Details Method of and device for dispensing viscous concentrates of vari Method of and device for dispensing viscous concentrates of vari

1982-03-25

1985-05-21

Skaggs, H. Grant

Dispensing

Resilient wall

Supply container delivering to receiving chamber

222333, B65D 3700

Patent

active

045181055

ABSTRACT:
For the purpose of dispensing viscous concentrates, particularly or organic ubstances, a cylindrical pumping space is defined by a hollow cylindrical body and two non-return valves associated with the ends of said body, said pumping space being supported in a radial direction at least during each pumping stroke in such a way that changes in volume are only possible in an axial direction in relation to said pumping space. The metering accuracy capable of being attained by means of the device of the invention makes it possible, with the device being of simple and low-cost construction, to dispense extremely small quantities of a concentrate with the device being operated at a pumping cycle frequency which corresponds to the frequency of the power mains by means of which an electromagnetic actuating coil is operated.

REFERENCES:
patent: 2299572 (1942-10-01), Estenes
patent: 2554570 (1951-05-01), Harvey
patent: 2824672 (1958-02-01), Wersching
patent: 3074351 (1963-01-01), Foster
patent: 3602387 (1971-08-01), Patnaude et al.
patent: 3828985 (1974-08-01), Schindler
patent: 3907167 (1975-09-01), Zanardo
patent: 3987775 (1976-10-01), O'Connor
patent: 4030640 (1977-06-01), Citrin et al.
patent: 4378079 (1983-03-01), Kuckens
patent: 4393982 (1983-07-01), Kuckens

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