Dispensing head and fluid product dispenser comprising same

Details Dispensing head and fluid product dispenser comprising same Dispensing head and fluid product dispenser comprising same

2006-07-25

2006-07-25

Mar, Michael (Department: 3754)

Dispensing

With discharge assistant

With movable nozzle interconnected therewith

C222S321800, C222S491000

Reexamination Certificate

active

07080759

ABSTRACT:
A fluid dispenser device comprising a pump (50) and a dispensing head that comprises a body (1) defining a fluid discharge channel (2) ending in a dispensing orifice (3), a rigid insert (4) being disposed in said discharge channel (2), said rigid insert forming or being secured to the outlet valve of said pump, said fluid dispenser device being characterized in that said dispensing head further comprises a closure element (10) disposed in said discharge channel (2), said closure element (10) being mounted to move and/or to deform between a closure position in which it closes off the discharge channel (2) and a non-closure position in which it does not close off the discharge channel (2), said rigid insert (4) being mounted to move inside said discharge channel (2) between a rest position and an actuating position, said closure element (10) co-operating at one end with said rigid insert (4) and at the other end with said body (1) so that, when the insert (4) is in the rest position, the closure element (10) is in the closure position, and when the insert (4) is in the actuating position, the closure element (10) is moved and/or deformed into its non-closure position.

REFERENCES:
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patent: 2720422 (1955-10-01), Mercur
patent: 3393873 (1968-07-01), Larson
patent: 4121619 (1978-10-01), Pauliukonis
patent: 4162763 (1979-07-01), Higgins
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patent: 5323933 (1994-06-01), Brakarz et al.
patent: 5348189 (1994-09-01), Cater
patent: 5664706 (1997-09-01), Cater
patent: 5765752 (1998-06-01), Herr et al.
patent: WO 99/36185 (1999-07-01), None

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