Dispensing – Processes of dispensing
Patent
1990-09-12
1992-09-22
Huson, Gregory L.
Dispensing
Processes of dispensing
222394, 222504, 222548, 13762413, 251171, B67B 700
Patent
active
051489465
ABSTRACT:
A method for delivering a predetermined amount of a fluid comprises the steps of pressurizing the fluid, passing it through a pressure feed passageway, opening and closing the pressure feed passageway, and thereby delivering a predetermined amount of the fluid out of the pressure feed passageway. A rotatable shaft is located in the pressure feed passageway. The rotatable shaft is provided with a passageway part, which constitutes part of the pressure feed passageway. The fluid is delivered by rotating the rotatable shaft to a predetermined orientation, in which the passageway part communicates with the pressure feed passageway outside of the passageway part. After a predetermined amount of the fluid has been delivered, the rotatable shaft rotates by a predetermined angle to an orientation, in which the passageway part does not communicate with the pressure feed passageway outside of the passageway part, and the delivery of the fluid is thereby stopped.
REFERENCES:
patent: 3913612 (1975-10-01), Tolnai
patent: 4328974 (1982-05-01), White et al.
patent: 4671314 (1987-06-01), Heil
patent: 4798314 (1989-01-01), Worth et al.
patent: 4802508 (1989-02-01), Styles
patent: 4922852 (1990-05-01), Price
Mizuta Akira
Shibuya Takeaki
Fuji Photo Film Co. , Ltd.
Huson Gregory L.
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