Dispensing device

Details Dispensing device Dispensing device

B - Operations, Transporting

05

B

103/57, 222/78

B05B 11/00 (2006.01) F04B 7/04 (2006.01) F04B 13/00 (2006.01)

Patent

CA 1096824

ABSTRACT OF THE DISCLOSURE A pump dispenser for liquids includes a finger operated piston and cylinger, a valve to allow liquid to enter the pump dispenser during a filling stroke, a chamber to receive said liquid and to store it under increasing hydraulic pressure during a discharge stroke, a spring for storing strain energy as the hydraulic pressure increase, a means for releasing the stored energy when the piston has travelled a predetermined distance relative to its cylinder and a discharge outlet through which liquid is discharged from the chamber as strain energy is released.

215466

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