Abstract: The invention relates to a spray head (100) for a fluid dispenser for dispensing a fluid, the spray head being provided with an expulsion channel (1) opening out in a spray orifice (9), and with a moving closure member (10) mounted to move between a closed position, in which it closes said orifice (9), and a spray position, said closure member (10) being urged resiliently towards its closed position, and being displaced towards its spray position by the pressure of the fluid, the spray head being provided with a swirl chamber (20) of variable volume, the volume of said swirl chamber (20) being at its maximum when the closure member (10) is in the spray position, and being substantially zero when said closure member is in the closed position, said spray head being characterized in that said closure member (10) is provided with the spray orifice (9) and with swirl channels (30) which, when the closure member is in the spray position, connect said expulsion channel (1) to said swirl chamber (20), the volume and

Abstract: A valve joint of a dispensing valve of a fluid product dispensing device, said joint being intended to come into contact with a fluid product comprising an aerosol propellant of the HFC-134a or HFC-227 type, with or without alcohol, characterised in that said joint comprises a surface subjected to a surface treatment, said surface treatment being adapted to lower the friction coefficient of the joint so as to reduce the risks of the valve blocking and/or to create a barrier on the joint surface so as to reduce the level of extractables from said joint.

Abstract: A fixing device for a dispenser for dispensing a fluid substance, the dispenser being suitable for being fitted to a container (1) provided with a neck (10) and comprising a dispenser member (2) mounted on the neck (10) of the container (1), said neck (10) forming an outwardly-extending peripheral thick portion (11) cooperating with the remainder of the neck to form a bottom shoulder (12), said fixing device comprising a fixing ring (20) for fixing the dispenser member to the neck, the fixing ring (20) being provided with a peripheral skirt (21) which extends to below said shoulder (12), said fixing device being characterized in that said skirt (21) is provided with flaps (22) whose free ends point inwards and upwards and come into abutment contact against the shoulder (12), thereby snap-fastening the fixing ring (20) to the neck (10) of the container (1).

Abstract: A nasal applicator suitable for co-operating with a head (100) of a nasal dispenser device for dispensing a fluid or powder substance into the nose, said head (100) being designed to be inserted at least in part into a nostril when the device is actuated, said nasal applicator being characterized in that said applicator (200) co-operates with the end (110) of the head (100), said applicator (200) being provided with a bearing piece (201) that extends substantially transversely to the direction in which the substance is dispensed, said bearing piece (201) being suitable for coming to bear under the nostril against the top lip of the user so as to define an insertion angle at which said head (100) is inserted into the nostril.

Abstract: A fluid spray device comprising an outlet channel (120) terminating in a spray orifice (125), a first tank (110) containing a first substance, a second tank (210) containing a second substance, said two tanks (110, 210) being interconnected by a passage (160, 260) and prior to actuation of the device, being separated from each other in leakproof manner by sealing means (115, 215) disposed in said passage (160, 260), mixer means (130, 135; 235) being provided to open said passage (160, 260) and to mix together the two substances before they are dispensed, and dispenser means (235, 135) being provided for dispensing said mixture, the device being characterized in that said sealing means comprise at least one ball (115, 215) adapted to be expelled from the passage (160, 260) by said mixer means (130, 135; 235), said mixer means comprising a first piston (135; 235) slidably received in one of the tanks (110; 210) to transfer one of the substances from its tank (110; 210) into the other tank (210; 110), said dispe

Abstract: A fluid dispenser device includes a dispenser member, such as a pump or a valve, having an actuator rod. A pusher is mounted to turn on and about the actuator rod and is provided with a dispenser orifice. The dispenser is actuated by applying pressure to the pusher. A fastening ring is provided for fastening the dispenser member on a receptacle. The ring has a fastening system for co-operating with a neck of the receptacle. The fastening ring includes at least one internal locking profile, and the pusher includes at least one locking member which can be engaged with the internal profile to prevent the pusher being actuated. The pusher has at least one inner bushing which includes the locking member. The pusher also has an outer skirt concentric with the inner bushing. The inner bushing defines the dispenser orifice. At least a portion of the inner bushing is received in the fastening ring. The pusher skirt is adapted to surround at least a portion of the fastening ring.

Abstract: A fluid-dispensing member is designed to be mounted on the neck of a container. The dispensing member includes: a body defining a chamber that slidably receives a piston; a fixing member designed to co-operate with the neck and extending around the body; and a delivery channel connecting the chamber to a stationary dispensing orifice. The delivery channel is formed between the body and the fixing member. The fixing member is suitable for co-operating with an inside wall of the neck so as to fix the dispensing member in the neck.

Abstract: A fluid dispenser device comprising a body (10) defining a dispensing orifice (11), and a reservoir (20) containing one or more doses of fluid, said reservoir (20) having a piston (25) which, at rest, forms a leaktight stopper, said device being characterized in that it further comprises a resilient element (30), such as a spring, that co-operates firstly with said reservoir (20) or with said piston (25), and secondly with a cocking member (40), said cocking member (40) being mounted to be movable manually relative to said body (10) so as to compress said spring (30), and being mounted to be lockable relative to said body (10) in at least one locked position in which said spring (30) is compressed, said device including at least one triggering member (50, 51) adapted to release said spring (30) so as to move said at least one piston (25) relative to said reservoir (20) so as to expel a dose of fluid.

Abstract: This invention relates to a reservoir (10) for a fluid product containing a single dose, the reservoir (10) comprising an air inlet (11) and a product outlet (15), the air inlet (11) comprising a product retention device (12 and/or 13) to keep the product in the reservoir (10) until dispensation of the product, and the product outlet (15) being blocked, preferably in a sealed fashion, by a closing ball (16) which is removed from its blocking position by the flow of air when the product is being dispensed. This invention also relates to the method of filling the reservoir and a dispensing device for the product contained in the reservoir using an air blast (20).

Abstract: A fluid dispenser device comprising: a fluid pump (1) comprising: a pump body (10) provided with an inlet valve member (12); an actuating rod (2) mounted to move axially in the body (10); and a free piston (3) mounted to slide in leaktight manner in the body (10), the piston (3) being mounted to move over the actuating rod (2) to form an outlet valve member (332) therewith; and an air pump comprising an air chamber (54) provided with an inlet valve member (515), with an outlet valve member (331), and with a piston (48) for compressing the air in the chamber; the fluid dispenser device being characterized in that the outlet valve (332) of the fluid pump and the outlet valve (331) of the air pump open out into a common duct (23).

Abstract: A fluid-dispensing member comprising: a body defining a chamber; an actuating rod provided with a pusher; a piston mounted on the actuating rod to slide in leaktight manner in the chamber; an inlet valve; and an outlet valve; wherein the outlet valve comprises a differential piston that can be moved under the action of the pressure exerted on the fluid by the piston against the action of a spring which abuts at one end against the differential piston, and at its other end against the pusher.

Abstract: A fixing member is provided for fixing a fluid dispenser device, such as a pump or a valve, onto a tank or other container. The fixing member comprises a body provided for receiving a dispenser device and fixing the body onto the tank. The fixing member includes an external peripheral cover covering the body, at least in part. The cover comprises of teeth that are designed to bite into the body.

Abstract: A fluid dispenser device includes a fluid tank, a dispensing pump (10) operating without air intake, a turret (20) supporting and fixing the pump (10), the turret being fixed on the tank by a fixing ring (30), the device being characterized in that at least a portion (21) of the turret (20) is made of a plastics material that is permeable to air.

Abstract: The invention concerns a device for dispensing a fluid product designed to be mounted in a reservoir neck, the device comprising: a dispensing member, such as a pump, comprising a body and a mobile actuating rod in the body; and a fixing ring comprising a housing for receiving the body and a socketing skirt to be adapted in the reservoir neck. The invention is characterized in that the skirt outer wall is provided with at least a peripheral bead adapted to be urged or pressed against the reservoir inner wall.

Abstract: A dispenser device for dispensing a single dose of liquid, the device comprising: a cylinder (4) containing said dose of liquid; a piston (10) which slides in sealed manner in said cylinder (4) between a storage position in which it isolates said cylinder and an actuated position; a piston actuator member (3); and an outlet passage (5) for connecting said cylinder (4) to an outlet orifice (6); the device being characterized in that said piston (10) includes a through-passage (11) which is closed in sealed manner in the storage position of the piston (10) by a closure member (20), said closure member being designed to open said through-passage (11) under the effect of a predetermined pressure which is created inside the cylinder (4), so as to enable said dose of liquid to be expelled through said through-passage (11).

Abstract: A fixing element (10) for fixing a dispenser member (20), such as a pump or a valve, to the neck (31) of a container (30) containing a substance to be dispensed, with a neck gasket (1) being interposed, the neck gasket having an inner edge (2) and an outer edge (3) for providing sealing at the neck (31) of the container (30), the fixing element (10) including a dispenser member receiving portion (11) for receiving the dispenser member (20) and a fixing portion (12) for fixing to the neck (31) of the container (30), the fixing element (10) being characterized in that it further includes a holding portion (13) for receiving and holding the neck gasket (1), the annular gasket (1) being held in the holding portion (13) of the fixing element (10) at its inner edge (2) only.

Abstract: A dispenser device without any air intake, such as an airless pump, for dispensing a fluid substance, the device comprising a dispensing chamber (14) of variable volume, which chamber is provided with an inlet (12) equipped with an inlet valve member (51, 53), and is provided with an outlet equipped with an outlet valve member, the dispenser further comprising a piston (3) for causing the volume of the dispensing chamber (14) to vary, closure elements (51; 52; 55; 63) being provided to close off the dispensing chamber (14) in airtight manner, substantially at its inlet (12), prior to it being used for the first time, the device being characterized in that the closure elements are formed by the inlet valve member (51, 53).

Abstract: The invention concerns a fixing device for a fluid product dispenser adapted for mounting on a container or reservoir which has a neck. A dispensing member is mounted on the reservoir neck. The neck has an outer peripheral thickness defining, with the rest of the neck, a lower shoulder. The fixing device comprises a fixing ring to fix the dispensing member on the neck. The fixing ring comprises a peripheral skirt extending up to beneath the shoulder. The skirt is provided with flaps, the ends of which point inwards and upwards and are urged to stop in contact against the shoulder thereby providing a catching mechanism for the fixing ring on the reservoir neck.

Abstract: A device for fixing a dispenser member such as a pump on the neck of a receptacle containing a substance to be dispensed, the device being characterized in that it has a single fixing element made of a deformable material and disposed in the neck of the receptacle between the inside surface of the receptacle neck and the outside surface of the body of the dispenser member, the fixing element being, in the assembled state of the fixing device, deformed and/or compressed by the body of the dispenser member being engaged in the neck of the receptacle in such a manner that it exerts a radial force on the body of the dispenser member and on the neck of the receptacle, the radial force providing reliable and leakproof fixing of the dispenser member to the neck of the receptacle.

Abstract: A fixing member for fixing a dispenser device to the neck of a container, said fixing member comprising a ring made of a plastics material and provided with fixing means for fixing to the neck of the container, and a metal dished washer received in the ring and provided with holding means for holding the dispenser device.