Liquid dispensing pump

Details Liquid dispensing pump Liquid dispensing pump

B - Operations, Transporting

67

D

222/78

B67D 7/60 (2010.01) B05B 11/00 (2006.01)

Patent

CA 1182433

ABSTRACT OF THE DISCLOSURE Discharge valving for a liquid dispensing pump having a reciprocable plunger is in the form of a laterally extending bunsen valve having an annular spring washer which resiliently bears against an annular valve seat adjacent the discharge opening. The loading of the valve is controlled by valve positioning lugs between the top of the plunger and an overlying plunger head. The plunger may be immobilized in a fully raised position above the pump body or in a fully depressed position relative to the pump body by locking fingers positively deflected into and out of the path of reciprocation of a stop shoulder on the plunger head.

416567

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