Dispenser for flowable material

Details Dispenser for flowable material Dispenser for flowable material

1975-09-05

1976-09-07

Knowles, Allen N.

Dispensing

Automatic control

Of dispensers with fluid pressure discharge assistance

2221445, 222309, 222334, B67D 514

Patent

active

039790231

ABSTRACT:
A dispenser for flowable material comprising a pump, a dispensing head coupled to the outlet of the pump, a control valve for controlling pump operation, and a manually operable valve carried by the dispensing head for controlling the control valve. The pump includes a rolling diaphragm which is moved on the discharge stroke by fluid under pressure supplied from the control valve and is moved on the intake stroke by a spring. None of the controls for the dispenser are electrical.

REFERENCES:
patent: 2585172 (1952-02-01), Reynolds
patent: 3598287 (1971-08-01), de Man
patent: 3715061 (1973-02-01), Morine et al.
patent: 3830405 (1974-08-01), Jaeger

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