Dispensing – With discharge assistant – With movable nozzle interconnected therewith
Patent
1993-08-05
1995-01-03
Huson, Gregory L.
Dispensing
With discharge assistant
With movable nozzle interconnected therewith
222385, B65D 8854
Patent
active
053778812
ABSTRACT:
A fluid substance dispenser includes a pump mounted on a stopper 20 designed to be fixed on a neck of a receptacle. The pump includes a body 1, a piston 2 that slides axially inside the pump body, a return spring 10 that urges the piston towards the open end of the body, and a single piece ferrule 11 fixed in the open end of the pump body to limit motion of the piston towards the second end. The ferrule has a flange 11a which extends radially outwards, and is engaged as a force-fit inside an internal passage 28 of the stopper to hold the pump in the stopper, preventing the pump body from moving towards the outside of the receptacle. The ferrule is made of a harder plastics material than the stopper so that the radial flange bites into the stopper.
REFERENCES:
patent: 5033655 (1991-07-01), Brown
Huson Gregory L.
Societe Technique de Pulverisation - S.T.E.P.
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