Abstract: A device for dispensing and receiving a liquid or semi-liquid product via a dosage chamber of a pump body. The device includes a piston which is fixably mounted in the pump body and is provided with an end sealingly engaged into the chamber. The piston end is provided with a membrane forming an intake valve allowing the introduction of the product in the dosage chamber and including at least one sealing peripheral lip in sliding contact with an inner wall of the dosage chamber. The device includes a connection element wholly within the pump body for connecting the piston to the pump body. The connection element is an independent part from the membrane and the pump body and is connected to a bottom part of the pump body over a conduit extending up from the bottom part of the pump body.

Abstract: A pump for dispensing a liquid product, including a pump body and a dispensing head manually movable on the latter, the head including a cylinder forming a dosage chamber of the pump, slidingly mounted in the pump body, and a channel allowing the passage of the product or air from the dosage chamber towards an ejection orifice. The rod includes means for airtightly sealing the channel consisting of a peripheral shoulder capable of coming to a rest against a complementary sealing seat arranged in the cylinder, the opening of the channel being performed by separating the sealing seat from the cylinder opposite the shoulder of the rod after the rod reaching its stop early during the axial movement of the cylinder in the pump body.

Abstract: The invention concerns a push-button nozzle for liquid or semi-liquid product dispenser, said dispenser comprising means for delivering the product under pressure which are mounted on the product container bottle and which comprise an ejection tube projecting outside. The invention is characterized in that said nozzle comprises a needle valve tightly closing the spraying orifice provided at the end of said nozzle, means for being fixed on the ejection tube and means for supplying products to a turbulence chamber located proximate said orifice.

Abstract: A pump for dispensing a liquid product, including a pump body and a dispensing head manually movable on the latter, the head including a cylinder forming a dosage chamber of the pump, slidingly mounted in the pump body, and a channel allowing the passage of the product or air from the dosage chamber towards an ejection orifice. The rod includes means for airtightly sealing the channel consisting of a peripheral shoulder capable of coming to a rest against a complementary sealing seat arranged in the cylinder, the opening of the channel being performed by separating the sealing seat from the cylinder opposite the shoulder of the rod after the rod reaching its stop early during the axial movement of the cylinder in the pump body.

Abstract: A device for dispensing and receiving a liquid or semi-liquid product via a dosage chamber of a pump body. The device includes a piston which is fixably mounted in the pump body and is provided with an end sealingly engaged into the chamber. The piston end is provided with a membrane forming an intake valve allowing the introduction of the product in the dosage chamber and including at least one sealing peripheral lip in sliding contact with an inner wall of the dosage chamber. The device includes a connection element wholly within the pump body for connecting the piston to the pump body. The connection element is an independent part from the membrane and the pump body and is connected to a bottom part of the pump body over a conduit extending up from the bottom part of the pump body.

Abstract: A pump for dispensing a liquid product, including a pump body and a dispensing head manually movable on the latter, the head including a cylinder forming a dosage chamber of the pump, slidingly mounted in the pump body, and a channel allowing the passage of the product or air from the dosage chamber towards an ejection orifice. The rod includes means for airtightly sealing the channel consisting of a peripheral shoulder capable of coming to a rest against a complementary sealing seat arranged in the cylinder, the opening of the channel being performed by separating the sealing seat from the cylinder opposite the shoulder of the rod after the rod reaching its stop early during the axial movement of the cylinder in the pump body.

Abstract: A device for dispensing and receiving a liquid or semi-liquid product via a metering chamber of a pump body. The device includes a piston which is fixably mounted in the pump body and is provided with an end sealingly engaged into the chamber. The piston end is provided with an elastically deformable membrane put thereon. The membrane includes a transversal wall forming an input check valve which is provided with a central supply orifice sealingly closable by a protruded element forming the check valve seat on the end of the piston. The membrane includes a fixing cylindrical skirt which is provided with at least one sealing peripheral lip slidingly contacting the internal wall of the chamber. The skirt forms a valve when it is deformed by contact with a projection bearing by the internal wall of the chamber in such a way that the air compressed by the piston is released into the chamber by the pump priming.

Abstract: The invention is a pump for dispensing liquid or semi-liquid product, designed and intended to be used in particular in the pharmaceutical or cosmetic field. The pump has a needle valve and a dispensing head manually movable on a pump housing between an inactive position and a dispensing position. The head includes a first cylinder forming a metering chamber for the pump, which draws in fluid from a container's reservoir by an intake tube and a check valve. A piston sealingly secured to the metering chamber pushes fluid through a passage into a second dosage chamber that is sealed from the dispensing orifice by a biased needle valve that is biased by a spring that is sealingly isolated from the second dosage chamber, the chamber that holds the elastic spring has a conduit that allows a user to test and verify that the second dosage chamber does not leak.

Abstract: A pump for dispensing a liquid product, including a pump body and a dispensing head manually movable on the latter, the head including a cylinder forming a dosage chamber of the pump, slidingly mounted in the pump body, and a channel allowing the passage of the product or air from the dosage chamber towards an ejection orifice. The rod includes means for airtightly sealing the channel consisting of a peripheral shoulder capable of coming to a rest against a complementary sealing seat arranged in the cylinder, the opening of the channel being performed by separating the sealing seat from the cylinder opposite the shoulder of the rod after the rod reaching its stop early during the axial movement of the cylinder in the pump body.

Abstract: The invention concerns a push-button nozzle for liquid or semi-liquid product dispenser, said dispenser comprising means for delivering the product under pressure which are mounted on the product container bottle and which comprise an ejection tube projecting outside. The invention is characterized in that said nozzle comprises a needle valve tightly closing the spraying orifice provided at the end of said nozzle, means for being fixed on the ejection tube and means for supplying products to a turbulence chamber located proximate said orifice.

Abstract: The invention concerns a pump for dispensing liquid or semi-liquid product, designed to be used in particular in the pharmaceutical or cosmetic field. The pump comprises a needle valve and a dispensing head manually movable on the pump housing between an inactive position and a punctual product dispensing position. The head includes a first cylinder forming a metering chamber of the pump, which communicates with a take-off tube via a non-return valve, a piston being slidably mounted in said first cylinder. The head also includes a second cylinder wherein is slidably mounted said needle valve, means for elastic return of the needle valve in position for closing an orifice, and means for allowing the liquid to pass between the metering chamber and a second chamber provided at the end of said dispensing head, said second cylinder having a compartment wherein are housed the elastic return means and which is isolated from said second chamber by sealing closure means.

Abstract: The invention relates to a device for dispensing and receiving a liquid or semi-liquid product via a metering chamber of a pump body. The inventive device comprises a piston which is fixably mounted in the pump body and is provided with an end sealingly engaged into said chamber. The piston end is provided with an elastically deformable membrane put thereon. Said membrane comprises a transversal wall forming an input check valve which is provided with a central supply orifice sealingly closable by a protruded element forming the check valve seat on the end of the piston. The membrane comprises a fixing cylindrical skirt which is provided with at least one sealing peripheral lip slidingly contacting the internal wall of the chamber. Said skirt forms a valve when it is deformed by contact with a projection bearing by the internal wall of the chamber in such a way that the air compressed by the piston is released into the chamber by the pump priming.

Abstract: The invention provides a dispenser for dispensing liquids from a receptacle, the dispenser having a cylindrical and conical body containing a measuring chamber closed at its bottom end by an admission valve and at its top end by a piston provided with a delivery valve and a delivery tube capped by a pushbutton, the body being the result of assembling together two independent elements: a top element carrying the piston and provided with a cylindrical skirt; and a bottom element provided with a sleeve for co-operating with the skirt by leaktight radial clamping so as to define the wall of the measuring chamber, the bottom element being provided with a bushing extending the sleeve coaxially downwards and engaged with leaktight radial clamping inside the neck of the receptacle.

Abstract: A nasal spray device for dispensing a liquid from a pressurized container (R). The nasal spray device includes two juxtaposed applicators (1a, 1b), each being provided with at least one expulsion duct (10a, 10b) opening at an outer end in a spay nozzle (B) and communicating at an inner end with the container (R) with a pressurizing device (P). The applicators are fixed to a base (2) which couples them to the container (R). The nasal spray device includes a first part (I) supporting the applicators (1a, 1b) and an outer bottom skirt (11) radially clamping onto a cylindrical inner bearing surface (21) provided along a surface of a second part (II) carrying the base (2). The first and second parts (II) define bottom portions of the expulsion ducts (10a, 10b).

Abstract: An endpiece for dispensing liquid pharmaceuticals contained in a receptacle, the endpiece being of the type comprising a tubular element (1) provided at a free first end (1a) with a spray nozzle (3) and at its second end (1b) with a rotary coupling (11) providing a connection with the internal delivery duct (20) of a pushbutton (2) for fitting onto the top of a tapping member mounted on said receptacle, said rotary coupling (11) being constituted by a core having a cylindrical cavity (21) fitted to said pushbutton (2) in communication with the internal delivery duct (20) and in which the second end (1b) of the tubular element (1) is engaged in touching and rotary manner, which second end is provided with means for opening said duct (20), the endpiece being characterized in that said cylindrical cavity (21) contains an axial rod (22) secured to the pushbutton (2) for being engaged inside the second end (1b) of said tubular element (1) while leaving an intermediate space (21c) through which the pharmaceutical i

Abstract: A liquid dispenser of the type comprising a tank (R) fitted with liquid extractor means (P) suitable for being actuated by axial displacement of the tank relative to a delivery tube (T) having a portion that projects outwards, the dispenser being characterized in that it comprises firstly a discharge duct (1) connected in leakproof manner to the outer portion of the delivery tube (T) and passing through an endpiece (2) connected rigidly to a housing (B) containing the tank (R), and secondly at least one side knob (11, 12) engaging the tank or the delivery tube and carrying a cam (110, 120) designed to co-operate in sliding contact with at least one sloping wall (21, 22) secured to said endpiece (2) in such a manner that substantially radial thrust on said knob (11, 12) is transformed into axial displacement of the tube (T) relative to the tank (R), thereby causing the liquid to be dispensed.

Abstract: The invention relates to a packaging and bactericidal treatment device for contact lenses (L), said device being characterized in that it comprises: firstly a housing (1) provided with at least one cavity (10) receiving a support element (11) which has bactericidal action and whose outside face (11a) has curvature matching the curvature of the contact lenses (L); and secondly, at least one lid (2) designed to cover said cavity (10) and whose inside face is provided with at least one socket (20) which is suitable for being engaged in guided manner into said cavity (10), and which receives a wedge element (21) having bactericidal action and whose outside face (21a) has curvature complementary to the curvature of the support element (11) so that it protects and/or decontaminates a contact lens (L) by holding it stationary in said cavity (10) between said support element (11) and said wedge element (21).

Abstract: The invention relates to a dispenser head for a receptacle (R) for a liquid, the receptacle being of the type comprising a manual bearing face (1) for actuating the delivery means (P) for delivering the liquid, and an ejection nozzle (2) provided with an internal evacuation duct (20) that is suitable for being fed by said delivery means via a connection element (3) that may or may not be removable, the dispenser head being characterized in that the nozzle (2) is constituted by a hollow rod (21) inclined towards the receptacle (R) and adapted to receive a removable cap (4) that is constituted by a tube (40) closed at one end and designed to be slidably fitted over the outside of said rod (21), via its other end.

Abstract: The invention relates to an endpiece for dispensing and/or measuring out liquid pharmaceutical substances, the endpiece comprising a cylindro-conical body (1) fitted with a bottom base (13) for receiving thrust and for coupling to a tank capable of being put under pressure, and an axial ejection duct (10) containing a central core (2) and communicating firstly at its top end with a spray nozzle, and secondly at its bottom end with the tank, it is characterized in that the top end of the ejection duct (10) is closed in temporary and leakproof manner by a wall (111) which is secured to the top portion (1a) of the body (1) and which extends perpendicularly to the duct, the wall being movable in reversible manner under drive from the substance, said wall being provided with a central orifice (110) capable of being closed in the closed position by a stud (20) secured to the core (2) being forced thereagainst, the periphery of the wall being attached to said body (1) via an elastically deformable link element (112)

Abstract: A device for inhaling powder packaged in capsules, the device being of the type comprising a housing closed by a cover and containing means for supporting and transferring capsules, opening means for opening the capsules, a dispensing endpiece, and an air intake orifice.