Dispensing – Resilient wall – Supply container delivering to receiving chamber
Reexamination Certificate
2005-12-27
2005-12-27
Derakshani, Philippe (Department: 3754)
Dispensing
Resilient wall
Supply container delivering to receiving chamber
C222S321900
Reexamination Certificate
active
06978913
ABSTRACT:
A pump may comprise a body, and a member movable relative to the body substantially along an axis of the pump. A pumping chamber may be defined by at least the body and the member. The pumping chamber may comprise a peripheral wall. The pump may further comprise an elastically deformable membrane comprising a first portion and a second portion. The first portion may be axially fixed relative to the peripheral wall, as well as being in contact with an inner surface of the peripheral wall at least in the presence of overpressure in the pumping chamber, and configured to place the pumping chamber in selective communication with at least one inlet passage. The second portion may be configured to place the pumping chamber in selective communication with at least one outlet passage.
REFERENCES:
patent: 3527551 (1970-09-01), Kutik et al.
patent: 5687884 (1997-11-01), Bodin et al.
patent: 5704519 (1998-01-01), Crosnier et al.
patent: 6305581 (2001-10-01), Bonningue et al.
patent: 1 070 670 (2001-01-01), None
patent: 2 728 809 (1996-07-01), None
patent: 2 796 672 (2001-01-01), None
Crosnier Daniel
Rousselet Guilhem
Derakshani Philippe
Finnegan Henderson Farabow Garrett & Dunner L.L.P.
L'Oreal S.A.
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