Liquid dispensing system having a liquid reservoir

Details Liquid dispensing system having a liquid reservoir Liquid dispensing system having a liquid reservoir

1992-01-27

1993-09-07

Kashnikow, Andres

Dispensing

Collapsible wall-type container

With wall-collapsing means

222105, 222185, 222214, 222511, B65D 3554

Patent

active

052420833

ABSTRACT:
A liquid dispensing system providing a housing holding a liquid filled pouch inside, the housing pivotably supporting an actuating arm which is thrust against the pouch by a push button extending outside the housing, the actuating arm having an actuator to compress an upper section of a tubular peristaltic pump section of the pouch for squeezing out an incremental amount of liquid. The tubular peristaltic pumping section provides V-shaped notches arranged on lateral sides of the top section and the bottom section for ease of closure by flattening and other advantages. A check valve having lever arms to resiliently stretch flat a discharge nozzle section at the lower end of the peristaltic pumping tube prevents dripping during non-use. A check valve actuator is provided on the actuating arm to engage with the check valve lever arms to open the discharge nozzle during actuation and a short time thereafter to create a suck-back to remove any drips.

REFERENCES:
patent: 2772817 (1956-12-01), Jauch
patent: 3066832 (1962-12-01), Rossetti
patent: 3870201 (1975-03-01), Asplund
patent: 4286733 (1981-09-01), Weikert
patent: 4349133 (1982-09-01), Christine
patent: 4463876 (1984-08-01), Swallert
patent: 4546904 (1985-10-01), Frassanito
patent: 4570827 (1986-02-01), Roggenburg, Jr. et al.
patent: 4570829 (1986-02-01), Allen
patent: 4667854 (1987-05-01), McDermott et al.
patent: 4932562 (1990-06-01), Christine
patent: 5016779 (1991-05-01), Williamson

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