Pump for dispensing fluid products

Details Pump for dispensing fluid products Pump for dispensing fluid products

2011-01-18

2011-01-18

Shaver, Kevin P (Department: 3754)

Dispensing

With discharge assistant

With movable nozzle interconnected therewith

C222S321600, C222S340000

Reexamination Certificate

active

07870978

ABSTRACT:
The pump for dispensing fluid products includes a pump body (10), a pump chamber (20) at least one piston (72) sliding inside the pump chamber (20) for dispensing a fluid product, a dispensing orifice (45) and a shutter (38) which interacts with the dispensing orifice (45) and is embodied in such a way that it is movable and/or deformable between the closed position of the dispensing orifice (45) and the open position thereof, the shutter being elastically driven to a closed position. The pump includes only one elastic element (50) in the form of a spring for bringing at least one piston (72) to a rest position after actuation and for driving the shutter (38) to a closed position and the pump body (10) is embodied in one piece with the shutter (38).

REFERENCES:
patent: 4503997 (1985-03-01), Corsette
patent: 4640443 (1987-02-01), Corsette
patent: 4830284 (1989-05-01), Maerte
patent: 5207659 (1993-05-01), Pennaneac'h et al.
patent: 5377881 (1995-01-01), Jouillat
patent: 5816453 (1998-10-01), Spencer et al.
patent: 6209760 (2001-04-01), Fuchs
patent: 7014069 (2006-03-01), Crosnier et al.
patent: 7182226 (2007-02-01), Mbonyumuhire
patent: 2003/0183655 (2003-10-01), Padar
patent: 2838787 (2003-10-01), None

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