Pump simplifiee for dispensing of liquid products without air intake.

摘要

Pump for dispensing of liquid products without air intake, characterized in that it comprises: - a push button - (1) comprising a spray nozzle (p) which communicates with a network of ducts formed locally in the wall of a tapered internal bore (10), and - a body (2) provided, at its upper part, of a cell assay (20) to elastically deformable wall is equipped, on the one hand, of an intake valve, and includes, on the other hand, of a rigid flange (23) for fixing in the bore (10) of said button, the said collar (23) which, on its outer periphery, an inclined face (23a), which delimits, opposite the said network, a swirl chamber and providing, on its inner periphery, a passage towards the said chamber.