Method of and device for dispensing viscous concentrates of...

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

B - Operations, Transporting

67

D

222/8.1, 222/9.6

B67D 3/00 (2006.01) G01F 11/08 (2006.01)

Patent

CA 1188269

ABSTRACT OF THE DISCLOSURE For the purpose of dispensing viscous concentrates, par- ticularly of organic substances, 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 meter- ing 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.

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