Abstract: A metering valve for dispensing fluid, the metering valve having a valve body (10), a metering chamber (20), and a valve member (30) that is slidable in the valve body (10) so as to dispense the fluid contained in the metering chamber (20). The wall (27) of the metering chamber (20) is curved, at least in part, in axial section.

Abstract: A fluid dispenser member having a dispensing wall defining an outside surface and inside surface, the wall being provided with a through dispensing orifice connecting the inside surface to the outside surface. The inside surface forming a leaktight slide cylinder for a piston suitable for moving in leaktight contact inside the cylinder for selectively unmasking the dispensing orifice. The piston forming a wall element of a fluid chamber inside which fluid is selectively put under pressure. The inside surface, at the slide cylinder, forming a fluid swirl system immediately upstream from the dispensing orifice. The dispensing wall is formed by a substantially cylindrical skirt further provided with a guide wall defining an inside surface whose inside diameter is greater than the inside diameter of the slide cylinder.

Abstract: The invention relates to a fluid product dispensing pump cylinder which is intended to be assembled to a fluid product tank. According to the invention, the pump cylinder is made from a thermoplastic alloy comprising a mixture of homopolymer polypropylene and high-density polyethylene.

Abstract: A fastener device for fastening a dispenser member (4), such as a pump or a valve, onto a receptacle neck (31). The device includes a fastener ring (1) including both an abutment (13) and a fastener (12) for fastening onto the receptacle neck; and a covering hoop (2) that is engaged axially from top to bottom around the ring (1). The hoop includes a hook (25) co-operating with the abutment for acting together to axial retain the hoop on the ring. The retention mechanism includes a plurality of mutual engagement elements defining distinct axial engagement positions for engaging the hoop on the ring.

Abstract: A fluid dispenser pump having: a pump body; a pump chamber; at least a first piston that slides in the pump chamber between a rest position and an actuated position so as to dispense the fluid; and a dispenser orifice; the pump chamber including an inlet valve that separates the pump chamber from a channel that extends towards a fluid reservoir, a bypass being provided between the channel and the pump chamber, the bypass being disposed upstream from the inlet valve, the bypass connecting the pump chamber to the reservoir when the piston is in its actuated position.

Abstract: A fluid dispenser device including at least one individual reservoir (21) containing a single dose of fluid, opening means (40) being provided for opening an individual reservoir (21) each time the device is actuated, said opening means (40) comprising perforator and/or cutter means (41) and movable support means (50), said movable support means (50) being adapted to displace an individual reservoir (21) against said perforator and/or cutter means (41) on each actuation.

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

Abstract: A liquid dispenser device for being associated with a liquid reservoir, said device comprising: a chamber (10) provided with an inlet valve (5, 15), an outlet valve (27, 32), and a piston (3) that is suitable for varying the volume of the chamber (10); a liquid dispenser orifice (25); and a pusher (2) that is axially displaceable down and up between a rest position and a depressed position; the dispenser device being characterized in that the piston (3) includes an elastically-deformable portion (31) that is deformed by the pusher (2) in its depressed position, in such a manner as to open the outlet valve.

Abstract: A fastener element for fastening a fluid dispenser member, such as a pump or a valve, on a fluid reservoir, the fastener element including a deformable snap-fastener portion for snap-fastening on the neck of the reservoir, the snap-fastener portion including a stiffener insert for substantially preventing the snap-fastener portion from deforming after snap-fastening.

Abstract: A dose-indicator device for using with a dispenser device for dispensing fluid or powder, in particular a pharmaceutical, so as to indicate the number of doses that have been emitted or that remain to be emitted from the dispenser device, the indicator device comprising a first rotary disk (10) and a second rotary disk (20) that is preferably opaque, said first disk (10) including indicator numbers and/or symbols (11) that are disposed in peripheral manner about the axis of rotation (X) of said first rotary disk (10) around at least two concentric circles, and said second disk (20) including at least one viewing window (21).

Abstract: A fluid dispenser assembly comprising a fluid dispenser (101), a pack (120) for co-operating with the dispenser in such a manner as to fasten the pack to the dispenser, the pack including a fastener zone, and the dispenser including reception means for receiving the fastener zone, the assembly being characterized in that the reception means comprise at least one set of two opposite longitudinal grooves (111) for receiving the fastener zone (121) of the pack.

Abstract: A fluid dispenser device, comprising: a dispenser orifice (5); a reservoir (10) containing at least one dose of fluid; at least one piston (15) axially slidable in said reservoir (10) so as to dispense said fluid; a dispenser member (20) co-operating with said piston (15); and an actuator element (30) co-operating with said dispenser member (20); said device being characterized in that said dispenser member (20) is displaceable between a blocking position, preventing said actuator element (30) from being actuated, and a release position in which the actuation of said actuator element (30) displaces said dispenser member (20) so as to dispense a dose of fluid, said dispenser member (20) being displaced manually from its blocking position to its release position before said device is actuated.

Abstract: A fluid dispenser member comprising a body (1), an actuator element (2), and a return spring (3), said actuator element comprising a portion disposed inside the body and a top portion (21, 23) that projects out from the body, said actuator element being axially displaceable, downwards and upwards, inside said body between a rest position and a depressed position, said actuator element being urged towards the rest position by the return spring (3), the dispenser member being characterized in that it further comprises blocking means (14, 24, 3) for preventing the actuator element (2) from turning relative to said body (1).

Abstract: An indicator for a powder or fluid dispenser device, the indicator including an indicator system and said indicator system comprising: a cover (1) provided with a viewing window (60); a first indicator element (2) that turns about an axis, said first indicator element (2) including first indicator means (120, 121); a second indicator element (5) that turns about an axis, said second indicator element (5) including second indicator means (50); and an interconnection element (3) that interconnects said first and second indicator elements (2, 5), in such a manner that it is the indicator means (120, 121; 50) of one of said two indicator elements (2, 5) that are visible initially in said viewing window (60) up to a predetermined number of actuations, after which it is the indicator means (50; 120, 121) of the other of said two indicator elements (2, 5) that become visible in the viewing window.

Abstract: A system for molding and assembling a fluid spray device, said system comprising two multi-cavity molds (B, C; B?; C?) for molding two different parts (100, 200) of said fluid dispenser device, the system being characterized in that the first part (100) is a spray head and the second part (200) is an insert for assembling in said spray head (100), said system comprising means for assembling parts coming from each of the cavities of the first multi-cavity mold (B; B?) in pairs always with parts coming from a corresponding respective cavity of said second multi-cavity mold (C; C?), such that the same insert (200) is always assembled in the same spray head, thereby guaranteeing constant spraying performance for each dispenser device assembled from the same pair of cavities.

Abstract: A fluid-dispenser valve (10) comprising a valve body (11), and a valve member (12) slidable in said valve body (11) between a rest position and a dispensing position, said valve (10) including temperature regulator means (12, 20) for limiting cooling of the valve member (12) while the fluid is being dispensed.