Abstract: A fluid dispenser having a reservoir (R) containing fluid (P) and air (A), the reservoir (R) forming an assembly opening (11); a fluid dispenser cannula (12) in communication with the reservoir (R); and an actuator member (2) engaged in the assembly opening (11), for supplying the dispenser cannula (13) with fluid (P). The actuator member (2) has a deformable membrane (23) that defines an outside face (231) forming a pusher (24), and an inside face (232) that is in contact with the air (A) of the reservoir (R), when the dispenser cannula (12) is in contact with the fluid (P) of the reservoir (R).

Abstract: A fluid dispenser having a reservoir (R) containing fluid (P) and air (A), the reservoir (R) forming an assembly opening (11); a fluid dispenser cannula (12) in communication with the reservoir (R); and an actuator member (2) engaged in the assembly opening (11), for supplying the dispenser cannula (13) with fluid (P). The actuator member (2) has a deformable membrane (23) that defines an outside face (231) forming a pusher (24), and an inside face (232) that is in contact with the air (A) of the reservoir (R), when the dispenser cannula (12) is in contact with the fluid (P) of the reservoir (R).

Abstract: A fluid dispenser comprising a fluid reservoir (R) in which the fluid is stored under pressure, and a fluid outlet valve (6) that is actuatable from a closed position to an open position so as to define a dispenser orifice (53) in a dispenser wall (51), the outlet valve (6) including a movable member (62) that bears in sealed manner against the seat (52) in the closed position and that is not in contact with the seat (52) in the open position, the outlet valve (6) including an actuator member (65) for moving the movable member (62) between the closed and open positions, the fluid dispenser being characterized in that the movable member (62) and the actuator member (65) should both be arranged on a pivot lever (61).

Abstract: A fluid dispenser comprising a fluid reservoir (R) in which the fluid is stored under pressure, and a fluid outlet valve (6) that is actuatable from a closed position to an open position so as to define a dispenser orifice (53) in a dispenser wall (51), the outlet valve (6) including a movable member (62) that bears in sealed manner against the seat (52) in the closed position and that is not in contact with the seat (52) in the open position, the outlet valve (6) including an actuator member (65) for moving the movable member (62) between the closed and open positions, the fluid dispenser being characterized in that the movable member (62) and the actuator member (65) should both be arranged on a pivot lever (61).

Abstract: A fluid dispenser comprising a fluid reservoir (R) in which the fluid is stored under pressure, and a fluid outlet valve that is actuatable from a closed position to an open position so as to define a dispenser orifice (62), the outlet valve including a movable member (51) that bears in sealed manner against a seat (63) in the closed position and that is not in contact with the seat (63) in the open position, the movable member (51) being axially movable and resiliently biased against the seat (63), the dispenser also comprising an actuator member (61) for moving the movable member (51) between the closed and open positions, the fluid dispenser being characterized in that the dispenser orifice (62) and the actuator member (61) are both formed by a rotary disk (6).

Abstract: A fluid reservoir including a neck defining a wide opening that is closed by a dish in stationary and leaktight engagement with the neck. The dish has a main body in engagement with the neck and a stopper that is mounted on the main body in removable manner, the stopper being movable between a closed initial position in which the stopper is mounted on the main body in leaktight manner, and an open final position in which a feed opening is formed between the main body and the stopper.

Abstract: A fluid dispenser head for mounting on an axial actuator rod (31) of a dispenser member (3), the head comprising an inner core (1) and an outer casing (2), the core (1) forming a connection sleeve (11) of axis (X) for mounting on the axial actuator rod (31), the casing (2) forming a dispenser endpiece (23) that is elongate and that is offset relative to the axis (X), the dispenser head being characterized in that the core (1) forms a deformable cannula (14) that is connected to the connection sleeve (11) and that extends in the endpiece (23) of the casing (2), said cannula forming a first section (14a) that is substantially rectilinear and that extends transversely relative to the axis X, a second section (14b) that is bent, and a third section that is inserted into the dispenser endpiece (23), the cannula (14) initially being rectilinear over its entire length and then being deformed while it is being inserted into the endpiece (23).

Abstract: A fluid dispenser comprising a fluid reservoir (1) and a dispenser member (2), the reservoir (1) comprising a slide cylinder (11) that is cylindrical, and a follower-piston (14) that includes at least one lip (16) that is in sliding contact with the cylinder (11), the slide cylinder (11) being provided with a bottom (12), an equalizing space (E) being formed between the follower-piston (14) and the bottom (12), this space (E) communicating with the outside so as to keep the space (E) at atmospheric pressure, such that, each time fluid is dispensed, outside air penetrates into the space (E), which increases as the follower-piston (14) moves away from the bottom (12); the dispenser being characterized in that a bacterial filter (F1) filters outside air coming into contact with the lip (16) of the follower-piston (11) through the equalizing space (E).

Abstract: A shutter member for a fluid dispenser member, the shutter member having a substantially rigid base body and an elastically deformable diaphragm, the body and the diaphragm being made of materials that are chemically compatible such that the material of the diaphragm adheres to the material of the body, the body defining an anchor zone and a fluid-passing zone. The diaphragm adheres to the anchor zone and extends over the fluid-passing zone, the fluid-passing zone including an interface that is secured to the fluid-passing zone but that does not adhere to the diaphragm, thereby defining an outlet channel for fluid between the interface and the diaphragm in the presence of fluid under pressure.

Abstract: A fluid dispenser comprising: a fluid reservoir (10) of variable working volume, in which reservoir the fluid is protected from the air, the reservoir being provided with an actuator wall (25) that is axially movable down and up between a rest position and a depressed position, the movement of the wall causing the pressure in the reservoir to vary, the wall being situated at an end of the dispenser; and a dispenser orifice (150) via which the fluid is dispensed, the orifice being provided with an outlet valve (4); the dispenser being characterized in that the orifice (150) is situated at an end of the dispenser other than the end at which the actuator wall (25) is situated.

Abstract: A fluid dispenser comprising a fluid reservoir (1) and a dispenser member (2), the reservoir (1) comprising a slide cylinder (11) that is cylindrical, and a follower-piston (14) that includes at least one lip (16) that is in sliding contact with the cylinder (11), the slide cylinder (11) being provided with a bottom (12), an equalizing space (E) being formed between the follower-piston (14) and the bottom (12), this space (E) communicating with the outside so as to keep the space (E) at atmospheric pressure, such that, each time fluid is dispensed, outside air penetrates into the space (E), which increases as the follower-piston (14) moves away from the bottom (12); the dispenser being characterized in that a bacterial filter (F1) filters outside air coming into contact with the lip (16) of the follower-piston (11) through the equalizing space (E).

Abstract: A fluid dispenser head for mounting on an axial actuator rod (31) of a dispenser member (3), the head comprising an inner core (1) and an outer casing (2), the core (1) forming a connection sleeve (11) of axis (X) for mounting on the axial actuator rod (31), the casing (2) forming a dispenser endpiece (23) that is elongate and that is offset relative to the axis (X), the dispenser head being characterized in that the core (1) forms a deformable cannula (14) that is connected to the connection sleeve (11) and that extends in the endpiece (23) of the casing (2), said cannula forming a first section (14a) that is substantially rectilinear and that extends transversely relative to the axis X, a second section (14b) that is bent, and a third section that is inserted into the dispenser endpiece (23), the cannula (14) initially being rectilinear over its entire length and then being deformed while it is being inserted into the endpiece (23).

Abstract: A method of manufacturing a fluid reservoir (1) for associating with a dispenser member (4), such as a pump, so as to constitute a fluid dispenser, the reservoir (1) including an inside surface (12) that is circularly cylindrical and that defines a slide cylinder in which a follower piston (2) slides in leaktight manner, the reservoir (1) including an outside surface (13) of any shape that is spaced apart from the inside surface by a wall thickness (Emin) that varies, the method comprising molding the reservoir (1) in a mold with a melt of plastics material, the method being characterized in that the inside surface (12) is formed by a non-circularly-cylindrical molding pin, so as to take account of phenomena of material shrinkage after cooling, so as to obtain an inside surface (12) that is circularly cylindrical.

Abstract: A fluid dispenser having a fluid reservoir (1) provided with an opening (13), a dispenser member (2) provided with a fluid outlet (24), a fastener ring (3) for fastening the dispenser member (2) on the opening (13) of the reservoir (1), and a dispenser head (4) mounted on the outlet (24) of the dispenser member (2). The head includes a dispenser orifice (43) and a pressing surface (44) to actuate the dispenser member (2). The head (4) also includes a fluid-collection dish (45) in which the fluid from the dispenser orifice (43) is collected before being taken by the user, and a peripheral skirt (46) secured to the ring (3) and/or to the reservoir (1). The skirt (46) is connected to the dish (45), to the pressing surface (44), and to the orifice (43) via a deformable flexible zone (47). The deformable zone (47) surrounds the dish (45), the pressing surface (44), and the dispenser orifice (43).

Abstract: A fluid dispenser member (1) for associating with a fluid reservoir (2) so as to form a fluid dispenser, the member (1) including a body (11) via which the dispenser member is mounted in stationary manner on a mounting part (3), the body (11) defining a housing (113) for receiving another component element (13) of the dispenser member. The housing (113) includes a movable portion (115) that is displaceable from an initial configuration in which the housing is open, to a final configuration in which the housing is closed on the component element (13) while the dispenser member (1) is being mounted in the mounting part (3).

Abstract: A dispenser head (1) for associating with a dispenser member, such as a pump or a valve, so as to form a fluid dispenser, the head including a connection sleeve (11) for connecting to an outlet (31) of the dispenser member, the sleeve (11) being connected to a fluid dispenser orifice (13, 13?) via an internal channel (12), the head being characterized in that it further includes a fluid collection dish (14) for collecting the fluid at the outlet from the dispenser orifice, the dish defining a bottom (141) that is situated below the dispenser orifice under normal conditions of use of the head, such that the fluid drops by gravity into the dish.

Abstract: A fluid dispenser device comprising: a reservoir (R) of variable working volume comprising a sealing slide-cylinder (100) and a follower piston (2) that is in sliding sealing contact in said cylinder; dispenser means (3) that are suitable for putting the fluid stored in the reservoir under pressure in such a manner as to drive a fraction of the fluid through a dispenser orifice (37), and under suction in such a manner as to move the follower piston in the direction that decreases the working volume of the reservoir; and non-return means that are suitable for preventing any substantial movement of the follower piston in the direction that increases the working volume of the reservoir; in which device the non-return means include at least one chamber (C) of variable volume that is filled with fluid from the reservoir during the suction stage.

Abstract: A fluid dispenser head for mounting on an actuator rod of a dispenser member that is displaceable down and up along an axis (X), the head including an axial connection sleeve for engaging on the actuator rod and defining an inlet duct, the head further including a dispenser endpiece defining an endpiece channel that is connected to the inlet duct via a connection channel, the endpiece including a free dispenser end defining a dispenser orifice that is situated at a downstream end of the endpiece channel, the head further including a bearing surface on which axial pressure can be exerted so as to drive in the actuator rod, where the endpiece extends substantially parallel to the axis (X), and is offset away from the axis.

Abstract: A fluid dispenser head having a fluid duct (73, 61) and a dispenser orifice (83) from which the user can draw the dispensed fluid. The head including a closure mechanism for selectively closing the dispenser orifice (83). The closure mechanism has a closure member (93) that is displaceable between a closed position and an open position. The head also includes a non-rotary portion (6) that is prevented from turning relative to the dispenser member (4), and a rotary portion (7, 8) that can be turned relative to the non-rotary portion (6), and a displacement mechanism (69; 69?) that displaces the closure member (93; 93?) between the closed and open positions while the rotary portion (7, 8) is being turned relative to the non-rotary portion (6).

Abstract: A fluid dispenser comprising: a fluid reservoir (10) serving to contain fluid; and a dispenser head (2) mounted on the reservoir (10) to take fluid from the reservoir, said head (2) defining a dispensing chamber (26) communicating with the reservoir via an inlet valve (25, 215) and communicating with the outside at a dispensing orifice via an outlet valve (237, 222); said dispenser being characterized in that the chamber (26) comprises at least one elastically deformable actuating wall (231) that is depressed in order to generate a pressure inside the chamber that is high enough to close the inlet valve and to open the outlet valve.