A display device comprises a screen (5) for displaying an image and image generating means (10) which, during operation, provide an image composed of pixels on the screen. The image generating means comprise a liquid reservoir (12) for containing a liquid and a spray body (20) for spraying the liquid. The spray body comprises a number of spray openings (150) which each release a liquid jet (R) of the liquid and cast it onto the screen at the position of a point of impact. The screen comprises a substrate which provides a visible reaction with the liquid. The points of impact of the liquid jets (R) released by the spray openings (150) together provide the pixels of at least a part of the image on the substrate.
G09F 19/00 - Moyens de publicité ou de présentation non prévus ailleurs
G09F 23/10 - Publicité sur ou dans des articles spécifiques, p. ex. cendriers, boîtes aux lettres sur des articles en papier, p. ex. sur des brochures, des journaux
B05B 1/14 - Buses, têtes de pulvérisation ou autres dispositifs de sortie, avec ou sans dispositifs auxiliaires tels que valves, moyens de chauffage avec des orifices de sortie multiplesBuses, têtes de pulvérisation ou autres dispositifs de sortie, avec ou sans dispositifs auxiliaires tels que valves, moyens de chauffage avec des filtres placés dans ou à l'extérieur de l'orifice de sortie
B05B 1/26 - Buses, têtes de pulvérisation ou autres dispositifs de sortie, avec ou sans dispositifs auxiliaires tels que valves, moyens de chauffage avec des moyens pour briser ou dévier mécaniquement le jet à sa sortie, p. ex. des déflecteurs fixesDispersion du liquide ou d'autre matériau fluide sortant à l'aide de jets d'impact
2.
Nasal Spray Device and Method of Nebulizing a Liquid Formulation
A nasal spray device comprises a non-pressurized reservoir for containing a liquid formulation; a spray nozzle; and a manually energizable pump, configured to pressurize a quantity of said liquid formulation and causing the liquid formulation to move through the spray nozzle such that the liquid formulation is discharged from the spray nozzle as an aerosol spray. The spray nozzle comprises a membrane having a plurality of micropores of a substantially identical size below 8 micron and beyond 3 micron through which the liquid formulation passes as the liquid formulation is discharged from the device. Said membrane is configured to release said dose of said liquid formulation in a period of at least 500 milliseconds as a conically shaped plume having an apex. An energy of less than 20 Joule/gram is being dissipated in the liquid to preserve the molecular integrity of macromolecules within the liquid.
Aerosol sprays, methods of generating aerosol sprays, and devices for dispensing aerosol sprays. The aerosol sprays have properties that are highly desirable for products such as air fresheners, including sizes of particles in the sprays and span factors of the particles. The methods and systems that provide the aerosol sprays use a membrane having micropores that forms Rayleigh jets that subsequently break up into the aerosol particles. The systems used to generate the aerosol sprays have a non-pressurized container for the product to be dispensed and a pump to provide the force to push the product through the micropores of the membrane.
An atomizer device comprises an atomizer body (30, 32) with at least one continuous atomizing opening (35). The atomizing opening (35) receives a liquid for atomizing under increased pressure and opens in order to dispense a mist in the form of a mist jet of miniscule liquid droplets from the liquid. A porous absorption body is arranged downstream of he atomizing opening and comprises a passage for the mist jet bounded by an edge of the absorption body. The edge of the absorption body lies at least partially within an initial droplet size from the atomizer body.
B05B 1/28 - Buses, têtes de pulvérisation ou autres dispositifs de sortie, avec ou sans dispositifs auxiliaires tels que valves, moyens de chauffage avec des moyens incorporés pour faire écran au liquide ou autre matériau fluide sortant, p. ex. pour limiter l'aire de pulvérisationBuses, têtes de pulvérisation ou autres dispositifs de sortie, avec ou sans dispositifs auxiliaires tels que valves, moyens de chauffage avec des moyens pour empêcher l'égouttement ou pour recueillir l'excès de liquide ou autre matériau fluide
5.
Tracheal Administering Device and Atomizing Catheter
A tracheal administering device for an active substance comprises an endotracheal tube with a ventilation lumen which extends therein to carry a respiratory airflow. A liquid conduit connects with a proximal part to a liquid system for delivering a liquid with the active substance under an increased operating pressure. A distal part of the liquid conduit is coupled to a spraying device, comprising a ceramic spray plate with at least one spray channel. The spray channel has a cross-section smaller than about five micrometres, and receives the liquid on an inlet side of the liquid conduit and delivers therefrom at least one mist jet to the respiratory gas flow. The mist jet comprises a series of droplets of at least substantially the same size into which the liquid has been scattered as a result of Rayleigh instability, this size being at most twice to three times the stated cross-section of the spray channel.
For delivering nanoparticles in an atmosphere, a liquid formulation that comprises said nano-particles is provided and pressurized to an elevated operating pressure p. Said liquid formulation is fed at said elevated operating pressure through a spray nozzle orifice of at leastone spray orifice to discharge said liquid formulation as a jet of consecutive liquid droplets that contain at least one nano-particle of said nanoparticles. Said nanoparticles have a length λ and a maximum length λmax before breakage upon elongation and said liquid formulation is subjected to a wall shear rate γwall [per second] while passing through said spray nozzle orifice. According to the invention said liquid formulation is exposed within said spray nozzle orifice to said wall shear rate during a limited shear time t that is less than λmax/(Δγwall) seconds.
B01J 13/00 - Chimie des colloïdes, p. ex. production de substances colloïdales ou de leurs solutions, non prévue ailleursFabrication de microcapsules ou de microbilles
7.
AEROSOL SPRAYS, METHODS OF GENERATING AEROSOL SPRAYS, AND AEROSOL DISPENSING SYSTEMS
Aerosol sprays, methods of generating air freshener aerosol sprays, and devices for dispensing such aerosol sprays. The aerosol sprays have properties that are highly desirable for products such as air fresheners, including sizes of particles in the sprays and span factors of the particles. The methods and systems that provide the aerosol sprays use a membrane having micropores that forms Rayleigh jets that subsequently break up into the aerosol particles. The systems used to generate the aerosol sprays have a non-pressurized container for the product to be dispensed and a pump to provide the force to push the product through the micropores of the membrane.
A spray device comprises a spray body (10) with at least one cavity (100) at a main surface (11) and a membrane layer (70) overlying said cavity. Said membrane layer comprises at least one spray opening (75) communicating with said cavity (100) and is arranged and configured to receive a pressurized liquid at a back side and to release at least one ray of liquid droplets at a front side thereof. Said cavity extends between an edge of said spray body and an opposite edge of said spray body. Said membrane layer comprises a reinforcement structure (99) that extends from at least adjacent said first edge to at least adjacent said opposite edge over said cavity.
B05B 17/06 - Appareils de pulvérisation ou d'atomisation de liquides ou d'autres matériaux fluides, non couverts par les autres groupes de la présente sous-classe opérant suivant des procédés particuliers utilisant des vibrations ultrasonores
A spray device for delivering a liquid spray, having a spray length, through air to a target, in particular an eye, comprises a container for holding a liquid, means for pressurizing a quantity of said liquid to an elevated operating pressure, and comprises a nozzle member that comprises a nozzle plate with a plurality of nozzle orifices of substantially identical size, extending through said nozzle plate and communicating with said means to receive a quantity of pressurized liquid at said operating pressure. Said nozzle orifices discharge said liquid spray at an outlet surface of said nozzle member member over said spray length Their substantially identical size is between lower and upper limits (Dmin), (Dmax),
wherein said lower limit is approximately:
A spray device for delivering a liquid spray, having a spray length, through air to a target, in particular an eye, comprises a container for holding a liquid, means for pressurizing a quantity of said liquid to an elevated operating pressure, and comprises a nozzle member that comprises a nozzle plate with a plurality of nozzle orifices of substantially identical size, extending through said nozzle plate and communicating with said means to receive a quantity of pressurized liquid at said operating pressure. Said nozzle orifices discharge said liquid spray at an outlet surface of said nozzle member member over said spray length Their substantially identical size is between lower and upper limits (Dmin), (Dmax),
wherein said lower limit is approximately:
D
min
≈
1
/
10
L
λ
Δ
P
/
ρ
,
wherein said upper limit is approximately:
A spray device for delivering a liquid spray, having a spray length, through air to a target, in particular an eye, comprises a container for holding a liquid, means for pressurizing a quantity of said liquid to an elevated operating pressure, and comprises a nozzle member that comprises a nozzle plate with a plurality of nozzle orifices of substantially identical size, extending through said nozzle plate and communicating with said means to receive a quantity of pressurized liquid at said operating pressure. Said nozzle orifices discharge said liquid spray at an outlet surface of said nozzle member member over said spray length Their substantially identical size is between lower and upper limits (Dmin), (Dmax),
wherein said lower limit is approximately:
D
min
≈
1
/
10
L
λ
Δ
P
/
ρ
,
wherein said upper limit is approximately:
D
max
≈
1
/
10
2
L
λ
Δ
P
/
ρ
.
λ≈18 η/ρ, η=1,8.10−5 kg/ms, representing the viscosity of air and ρ representing a density of said liquid.
A61F 9/00 - Procédés ou dispositifs pour le traitement des yeuxDispositifs pour mettre en place des verres de contactDispositifs pour corriger le strabismeAppareils pour guider les aveuglesDispositifs protecteurs pour les yeux, portés sur le corps ou dans la main
B05B 1/14 - Buses, têtes de pulvérisation ou autres dispositifs de sortie, avec ou sans dispositifs auxiliaires tels que valves, moyens de chauffage avec des orifices de sortie multiplesBuses, têtes de pulvérisation ou autres dispositifs de sortie, avec ou sans dispositifs auxiliaires tels que valves, moyens de chauffage avec des filtres placés dans ou à l'extérieur de l'orifice de sortie
11.
NASAL SPRAY DEVICE AND METHOD OF NEBULIZING A LIQUID FORMULATION
Nasal spray device and method of nebulizing a liquid formulation A nasal spray device comprises a non-pressurized reservoir (25) for containing a liquid formulation; a spray nozzle (50); and a manually energizable pump (10), configured to pressurize a quantity of said liquid formulation and causing the liquid formulation to move through the spray nozzle such that the liquid formulation is discharged from the spray nozzle as an aerosol spray. The spray nozzle (50) comprises a membrane having a plurality of micropores of a substantially identical size below 8 micron and beyond 3 micron through which the liquid formulation passes as the liquid formulation is discharged from the device. Said membrane is configured to release said dose of said liquid formulation in a period of at least 500 milliseconds as a conically shaped plume having an apex. An energy of less than 20 Joule/gram is being dissipated in the liquid to preserve the molecular integrity of macromolecules within the liquid.
A tracheal administering device for an active substance comprises an endotracheal tube (10) with a ventilation lumen (13) which extends therein to carry a respiratory airflow. A liquid conduit (20) connects with a proximal part to a liquid system (40) for delivering a liquid with the active substance under an increased operating pressure. A distal part of the liquid conduit is coupled to a spraying device (30), comprising a ceramic spray plate (62) with at least one spray channel (66). The spray channel has a cross-section smaller than about five micrometres, and receives the liquid on an inlet side of the liquid conduit and delivers therefrom at least one mist jet to the respiratory gas flow. The mist jet comprises a series of droplets of at least substantially the same size into which the liquid has been scattered as a result of Rayleigh instability, this size being at most twice to three times the stated cross-section of the spray channel.
A spray device includes a mouthpiece that accommodates a spray nozzle unit. The spray nozzle unit is operatively connected to a liquid reservoir to receive a pressurized liquid to be sprayed. A connection between the spray nozzle unit and the liquid reservoir is effected by a flexible tube that connects at one end substantially fixedly to the mouth piece in fluid communication with the spray nozzle device. The liquid reservoir is interchangeably coupled to the opposite end of the flexible tube and, preferably, comprises a standard syringe. A spray delivery device comprises a holder for holding the syringe and has at least one manipulator member that is configured to impose an enhanced force on the plunger.
An atomizer device comprises a container (20) with a liquid chamber (21) for receiving a liquid for atomizing and a spray nozzle (50) which is able and configured to form a mist from the liquid under an increased operating pressure. The liquid chamber (21) is closed by a plunger (22) which is received movably therein and is able and configured to expel during an axial displacement at least a part of the liquid from the liquid chamber. Provided between the plunger (22) and the spray nozzle (50) is an air bubble barrier (80) which is at least substantially unbridgeable to possible air bubbles in the liquid, but which comprises a passage (85) for the purpose of allowing at least substantially free passage of the liquid. In a method for preparing such a container it is subjected to a centrifuging step in order to expel possibly enclosed air upstream of the barrier device as far as possible.
Aerosol sprays, methods of generating aerosol sprays, and devices for dispensing aerosol sprays. The aerosol sprays have properties that are highly desirable for products such as air fresheners, including sizes of particles in the sprays and span factors of the particles. The methods and systems that provide the aerosol sprays use a membrane having micropores that forms Rayleigh jets that subsequently break up into the aerosol particles. The systems used to generate the aerosol sprays have a non-pressurized container for the product to be dispensed and a pump to provide the force to push the product through the micropores of the membrane.
B05B 1/14 - Buses, têtes de pulvérisation ou autres dispositifs de sortie, avec ou sans dispositifs auxiliaires tels que valves, moyens de chauffage avec des orifices de sortie multiplesBuses, têtes de pulvérisation ou autres dispositifs de sortie, avec ou sans dispositifs auxiliaires tels que valves, moyens de chauffage avec des filtres placés dans ou à l'extérieur de l'orifice de sortie
A61L 9/14 - Désinfection, stérilisation ou désodorisation de l'air utilisant des substances vaporisées ou pulvérisées
B05B 11/00 - Appareillages monoblocs tenus à la main dans lesquels l'écoulement du contenu est produit par la force musculaire de l'opérateur au moment de l'utilisation
B65D 83/14 - Récipients pour distribuer des contenus liquides ou semi-liquides par pression interne de gaz, c.-à-d. réceptacles aérosols contenant un propulseur
16.
AEROSOL SPRAYS, METHODS OF GENERATING AEROSOL SPRAYS, AND AEROSOL DISPENSING SYSTEMS
Aerosol sprays, methods of generating air freshener aerosol sprays, and devices for dispensing such aerosol sprays. The aerosol sprays have properties that are highly desirable for products such as air fresheners, including sizes of particles in the sprays and span factors of the particles. The methods and systems that provide the aerosol sprays use a membrane having micropores that forms Rayleigh jets that subsequently break up into the aerosol particles. The systems used to generate the aerosol sprays have a non-pressurized container for the product to be dispensed and a pump to provide the force to push the product through the micropores of the membrane.
B05B 1/14 - Buses, têtes de pulvérisation ou autres dispositifs de sortie, avec ou sans dispositifs auxiliaires tels que valves, moyens de chauffage avec des orifices de sortie multiplesBuses, têtes de pulvérisation ou autres dispositifs de sortie, avec ou sans dispositifs auxiliaires tels que valves, moyens de chauffage avec des filtres placés dans ou à l'extérieur de l'orifice de sortie
B65D 83/14 - Récipients pour distribuer des contenus liquides ou semi-liquides par pression interne de gaz, c.-à-d. réceptacles aérosols contenant un propulseur
A61L 9/14 - Désinfection, stérilisation ou désodorisation de l'air utilisant des substances vaporisées ou pulvérisées
B05B 11/00 - Appareillages monoblocs tenus à la main dans lesquels l'écoulement du contenu est produit par la force musculaire de l'opérateur au moment de l'utilisation
B01J 13/00 - Chimie des colloïdes, p. ex. production de substances colloïdales ou de leurs solutions, non prévue ailleursFabrication de microcapsules ou de microbilles
An atomizer device for atomizing a liquid under increased pressure, comprising an atomizer body 14 with one or more atomizing openings from which a mist formed from the liquid escapes during operation. The device comprises a valve device 20, 30 upstream of the atomizer body. The valve device 20, 30 comprises a valve cavity 31 with a valve body 32 and a spring chamber 21 in which spring means 22 are compressible counter to a spring tension. The valve body 24 receives the liquid in valve cavity 31 with a first operative cross-section D1, which first operative cross-section is smaller than a second operative cross-section D2 of spring chamber 21 in which spring means 22 are compressible.
B05B 11/00 - Appareillages monoblocs tenus à la main dans lesquels l'écoulement du contenu est produit par la force musculaire de l'opérateur au moment de l'utilisation
B05B 1/30 - Buses, têtes de pulvérisation ou autres dispositifs de sortie, avec ou sans dispositifs auxiliaires tels que valves, moyens de chauffage agencés pour commander un débit, p. ex. à l'aide de conduits de section réglable
B65D 83/14 - Récipients pour distribuer des contenus liquides ou semi-liquides par pression interne de gaz, c.-à-d. réceptacles aérosols contenant un propulseur
A spray device for delivering a liquid spray, having a spray length (L), through air to a target, in particular an eye, comprises a container for holding a liquid, pressurizing means for pressurizing a quantity of said liquid to an elevated operating pressure ( P), and comprises a spray nozzle member that comprises a nozzle plate with a plurality (N) of nozzle orifices of substantially identical size (D), extending through said nozzle plate and communicating with said pressurizing means to receive a quantity of pressurized liquid at said operating pressure. Said plurality of nozzle orifices discharge said liquid spray at an outlet surface of said spray nozzle member member over at least said spray length (L) Their substantially identical size (D) is between a lower limit (Dmin) and an upper limit (Dmax), wherein said lower limit is approximately: (I), wherein said upper limit is approximately: (II). λ≈18 η/ρ, η = 1,8.10-5 kg/ms, representing the viscosity of air and ρ representing a density of said liquid.
B05B 1/14 - Buses, têtes de pulvérisation ou autres dispositifs de sortie, avec ou sans dispositifs auxiliaires tels que valves, moyens de chauffage avec des orifices de sortie multiplesBuses, têtes de pulvérisation ou autres dispositifs de sortie, avec ou sans dispositifs auxiliaires tels que valves, moyens de chauffage avec des filtres placés dans ou à l'extérieur de l'orifice de sortie
A spray device has a spray nozzle unit (1), wherein said spray nozzle unit (1) comprises a cavity (5) with an inlet (2) for receiving a pressurized liquid at an operating pressure and an outlet (3) for releasing a liquid spray during operation. A spray nozzle body (10) is fitted sealingly within said cavity (5), having a perforated nozzle layer (14) with at least one spray orifice (16) that extends between an upstream surface and a down stream surface thereof releasing at least one jet of said liquid spray at said downstream surface of said nozzle layer. The spray nozzle unit (1) is provided with a pressure safety device (30) upstream of said spray nozzle body (10). Said pressure safety device (30) comprises a closed burst layer (34) that closes a fluid pathway between said inlet (2) and said spray nozzle body (10) but ruptures once a threshold pressure is exceeded. Said operating pressure exceeds said threshold pressure.
B05B 1/32 - Buses, têtes de pulvérisation ou autres dispositifs de sortie, avec ou sans dispositifs auxiliaires tels que valves, moyens de chauffage agencés pour commander un débit, p. ex. à l'aide de conduits de section réglable dans lesquels un élément de valve fait partie de l'orifice de sortie
B05B 15/40 - Filtres situés en amont des sorties de pulvérisation
B05B 1/10 - Buses, têtes de pulvérisation ou autres dispositifs de sortie, avec ou sans dispositifs auxiliaires tels que valves, moyens de chauffage agencés pour produire un jet, un pulvérisat ou tout autre écoulement de forme ou de nature particulière, p. ex. sous forme de gouttes individuelles sous forme d'un jet fin, p. ex. pour lave-glace d'automobiles
A spray device comprises a mouth piece that accommodates a spray nozzle unit. The spray nozzle unit is operatively connected to a liquid reservoir to receive a pressurized liquid to be sprayed. A connection between the spray nozzle unit and the liquid reservoir is effected by a flexible tube that connects at one end substantially fixedly to the mouth piece in fluid communication with the spray nozzle device. The liquid reservoir is interchangeably coupled to the opposite end of the flexible tube and, preferably, comprises a standard syringe. A spray delivery device comprises a holder for holding the syringe and has at least one manipulator member that allows to impose a enhanced force on the plunger.
A61M 11/00 - Pulvérisateurs ou vaporisateurs spécialement destinés à des usages médicaux
B65D 83/14 - Récipients pour distribuer des contenus liquides ou semi-liquides par pression interne de gaz, c.-à-d. réceptacles aérosols contenant un propulseur
23.
ATOMIZER DEVICE AND METHOD FOR PREPARATION THEREOF, AND A CONTAINER THEREFOR
An atomizer device comprises a container (20) with a liquid chamber (21) for receiving a liquid for atomizing and a spray nozzle (50) which is able and configured to form a mist from the liquid under an increased operating pressure. The liquid chamber (21) is closed by a plunger (22) which is received movably therein and is able and configured to expel during an axial displacement at least a part of the liquid from the liquid chamber. Provided between the plunger (22) and the spray nozzle (50) is an air bubble barrier (80) which is at least substantially unbridgeable to possible air bubbles in the liquid, but which comprises a passage (85) for the purpose of allowing at least substantially free passage of the liquid. In a method for preparing such a container it is subjected to a centrifuging step in order to expel possibly enclosed air upstream of the barrier device as far as possible.
A61M 5/36 - Dispositifs pour faire pénétrer des agents dans le corps par introduction sous-cutanée, intravasculaire ou intramusculaireAccessoires à cet effet, p. ex. dispositifs de remplissage ou de nettoyage, appuis-bras avec des moyens pour éliminer l'air ou pour empêcher l'injection ou l'introduction d'air dans le corps
The invention relates to a spray device having a spray nozzle unit and at least one further spray nozzle unit. Each spray nozzle unit has at least one spray nozzle body, wherein at least one spray nozzle body comprises a chamber for receiving a pressurized fluid. The chamber is bound by a spray wall having at least one spray orifice that extends through the spray wall and opens to an external environment. Each of at least one orifice in a spray wall has a substantially identical predetermined size lying in a predetermined range and releases a mono disperse spray jet of the pressurized fluid fed from the associated reservoir. The range within the first spray nozzle unit differs from the range within at least one further spray nozzle unit; particularly, the ranges do not overlap.
A61M 11/00 - Pulvérisateurs ou vaporisateurs spécialement destinés à des usages médicaux
A61M 15/06 - Appareils à inhalation en forme de cigares, de cigarettes ou de pipes
B05B 7/08 - Pistolets pulvérisateursAppareillages pour l'évacuation avec des orifices de sortie séparés, p. ex. pour former des jets parallèles, pour former des jets croisés
B05B 7/24 - Appareillages de pulvérisation pour débiter des liquides ou d'autres matériaux fluides provenant de plusieurs sources, p. ex. un liquide et de l'air, une poudre et un gaz avec des moyens, p. ex. un récipient, pour alimenter en liquide ou autre matériau fluide un dispositif de décharge
A24F 40/10 - Dispositifs utilisant des précurseurs inhalables liquides
An atomizer device for atomizing a liquid under increased pressure, comprising an atomizer body 14 with one or more atomizing openings from which a mist formed from the liquid escapes during operation. The device comprises a valve device 20, 30 upstream of the atomizer body. The valve device 20, 30 comprises a valve cavity 31 with a valve body 32 and a spring chamber 21 in which spring means 22 are compressible counter to a spring tension. The valve body 24 receives the liquid in valve cavity 31 with a first operative cross-section D1, which first operative cross-section is smaller than a second operative cross-section D2 of spring chamber 21 in which spring means 22 are compressible.
B05B 11/00 - Appareillages monoblocs tenus à la main dans lesquels l'écoulement du contenu est produit par la force musculaire de l'opérateur au moment de l'utilisation
B65D 83/14 - Récipients pour distribuer des contenus liquides ou semi-liquides par pression interne de gaz, c.-à-d. réceptacles aérosols contenant un propulseur
F16K 31/363 - Moyens de fonctionnementDispositifs de retour à la position de repos actionnés par un fluide et dans lesquels il y a alimentation constante du moteur à fluide par le fluide provenant de la canalisation le fluide agissant sur un piston
B05B 1/30 - Buses, têtes de pulvérisation ou autres dispositifs de sortie, avec ou sans dispositifs auxiliaires tels que valves, moyens de chauffage agencés pour commander un débit, p. ex. à l'aide de conduits de section réglable
26.
Aerosol or spray device, spray nozzle unit and method of manufacturing the same
A method for manufacturing an spray device includes assembling at least one spray nozzle plate into a thermoplastic holder, while controlling the temperature of the spray nozzle plate and/or the holder and as a result at least locally plastically deforming the holder permanently. After the thermoplastic deformation of a seat of the holder, a diameter of the seat of the holder upstream of the spray nozzle plate exceeds a diameter of the seat of the holder downstream of the nozzle plate. The thermoplastic holder may have a tapered seat, where the smallest cross section of the tapered seat is smaller than the spray nozzle plate, where a widest side of the tapered seat is pointing towards a supply side of the liquid.
B29C 65/56 - Assemblage d'éléments préformésAppareils à cet effet en utilisant des moyens mécaniques
A61M 11/00 - Pulvérisateurs ou vaporisateurs spécialement destinés à des usages médicaux
A61M 35/00 - Dispositifs pour appliquer des agents, p. ex. des remèdes, sur le corps humain
B05B 1/14 - Buses, têtes de pulvérisation ou autres dispositifs de sortie, avec ou sans dispositifs auxiliaires tels que valves, moyens de chauffage avec des orifices de sortie multiplesBuses, têtes de pulvérisation ou autres dispositifs de sortie, avec ou sans dispositifs auxiliaires tels que valves, moyens de chauffage avec des filtres placés dans ou à l'extérieur de l'orifice de sortie
B05B 1/16 - Buses, têtes de pulvérisation ou autres dispositifs de sortie, avec ou sans dispositifs auxiliaires tels que valves, moyens de chauffage avec des orifices de sortie multiplesBuses, têtes de pulvérisation ou autres dispositifs de sortie, avec ou sans dispositifs auxiliaires tels que valves, moyens de chauffage avec des filtres placés dans ou à l'extérieur de l'orifice de sortie comportant des sorties de section réglable
B05B 15/40 - Filtres situés en amont des sorties de pulvérisation
A spray device has a spray nozzle unit (1), wherein said spray nozzle unit (1) comprises a cavity (5) with an inlet (2) for receiving a pressurized liquid at an operating pressure and an outlet (3) for releasing a liquid spray during operation. A spray nozzle body (10) is fitted sealingly within said cavity (5), having a perforated nozzle layer (14) with at least one spray orifice (16) that extends between an upstream surface and a down stream surface thereof, releasing at least one jet of said liquid spray at said downstream surface of said nozzle layer. The spray nozzle unit (1) is provided with a pressure safety device (30) upstream of said spray nozzle body (10). Said pressure safety device (30) comprises a closed burst layer (34) that closes a fluid pathway between said inlet (2) and said spray nozzle body (10) but ruptures once a threshold pressure is exceeded. Said operating pressure exceeds said threshold pressure.
B05B 1/14 - Buses, têtes de pulvérisation ou autres dispositifs de sortie, avec ou sans dispositifs auxiliaires tels que valves, moyens de chauffage avec des orifices de sortie multiplesBuses, têtes de pulvérisation ou autres dispositifs de sortie, avec ou sans dispositifs auxiliaires tels que valves, moyens de chauffage avec des filtres placés dans ou à l'extérieur de l'orifice de sortie
B05B 11/00 - Appareillages monoblocs tenus à la main dans lesquels l'écoulement du contenu est produit par la force musculaire de l'opérateur au moment de l'utilisation
B05B 15/40 - Filtres situés en amont des sorties de pulvérisation
Spray device A spray device has a spray nozzle unit, comprising a nozzle body (10) with a cavity (40) for receiving a pressurized liquid. A perforated nozzle wall (20) having at least one orifice (21) extending throughout a thickness thereof releases a jet of said pressurized liquid during operation. A fluid flow path from an inlet of the device to said nozzle wall (20) imposes a first fluid flow resistance on said pressurized liquid that is greater than a second fluid flow resistance of air flowing from said cavity (40) through said at least one orifice (21).
B05B 1/14 - Buses, têtes de pulvérisation ou autres dispositifs de sortie, avec ou sans dispositifs auxiliaires tels que valves, moyens de chauffage avec des orifices de sortie multiplesBuses, têtes de pulvérisation ou autres dispositifs de sortie, avec ou sans dispositifs auxiliaires tels que valves, moyens de chauffage avec des filtres placés dans ou à l'extérieur de l'orifice de sortie
B65D 83/14 - Récipients pour distribuer des contenus liquides ou semi-liquides par pression interne de gaz, c.-à-d. réceptacles aérosols contenant un propulseur
The present invention provides a spray device that generates a fluidic micro-jet spray and that allows and retains a relatively narrow droplet size distribution, of micro-jets and droplets obtained via the Rayleigh breakup mechanism, under a well-defined control of coalescence. To that end a spray device is characterized in that a spray nozzle unit is formed by a nozzle body (1), comprising a support body (2) with at least one cavity (3) spanned by a membrane layer (4) having a nozzle orifice throughout a thickness of said membrane layer at an area of said cavity (3) in fluid communication with that cavity (3). The nozzle orifice may be part of a first relatively dense group of first orifices (5a) or of a less dense second group of second nozzle orifices (5b) in the membrane layer. A mean diameter of the nozzle orifices (5a) located in the first group substantially differs from the mean diameter of the nozzle orifices (5b) in the second group to obtain a uniform droplet size distribution in the spray.
B05B 1/14 - Buses, têtes de pulvérisation ou autres dispositifs de sortie, avec ou sans dispositifs auxiliaires tels que valves, moyens de chauffage avec des orifices de sortie multiplesBuses, têtes de pulvérisation ou autres dispositifs de sortie, avec ou sans dispositifs auxiliaires tels que valves, moyens de chauffage avec des filtres placés dans ou à l'extérieur de l'orifice de sortie
The invention relates to a spray device having a spray nozzle unit and at least one further spray nozzle unit. Each spray nozzle unit has at least one spray nozzle body, wherein said at least one spray nozzle body comprises a chamber for receiving a pressurized fluid. Said chamber is bounded by a spray wall having at least one spray orifice that extends through said spray wall and opens to an external environment. Each of said at least one orifice in a spray wall has a substantially identical predetermined size lying in a predetermined range and releases a mono disperse spray jet of the pressurized fluid fed from the associated reservoir. Said range within said first spray nozzle unit differs from said range within said at least one further spray nozzle unit, particularly said ranges do not overlap.
A24F 47/00 - Articles pour fumeurs non prévus ailleurs
A61M 15/06 - Appareils à inhalation en forme de cigares, de cigarettes ou de pipes
A61M 11/04 - Pulvérisateurs ou vaporisateurs spécialement destinés à des usages médicaux agissant par pression de la vapeur des liquides à pulvériser ou vaporiser
The present invention relates to a spray device, comprising a spray nozzle body (2) and a substantially planar membrane layer (6) suspended over a nozzle cavity (3) to generate microjets, especially for pharmaceutical applications, in particular preservative free formulations. The nozzle body (2,8) contains a microbial barrier, particularly a microvalve (23,24) between a fluid supply channel (9) and said cavity (3).
B05B 1/14 - Buses, têtes de pulvérisation ou autres dispositifs de sortie, avec ou sans dispositifs auxiliaires tels que valves, moyens de chauffage avec des orifices de sortie multiplesBuses, têtes de pulvérisation ou autres dispositifs de sortie, avec ou sans dispositifs auxiliaires tels que valves, moyens de chauffage avec des filtres placés dans ou à l'extérieur de l'orifice de sortie
B65D 83/14 - Récipients pour distribuer des contenus liquides ou semi-liquides par pression interne de gaz, c.-à-d. réceptacles aérosols contenant un propulseur
B05B 15/55 - Aménagements pour le nettoyageAménagements pour empêcher les dépôts, le séchage ou un blocageAménagements pour détecter une évacuation incorrecte en raison de la présence d’un corps étranger en utilisant des fluides nettoyants
B05B 11/00 - Appareillages monoblocs tenus à la main dans lesquels l'écoulement du contenu est produit par la force musculaire de l'opérateur au moment de l'utilisation
B05B 1/30 - Buses, têtes de pulvérisation ou autres dispositifs de sortie, avec ou sans dispositifs auxiliaires tels que valves, moyens de chauffage agencés pour commander un débit, p. ex. à l'aide de conduits de section réglable
F16K 7/17 - Dispositifs d'obturation à diaphragme, p. ex. dont un élément est déformé, sans être déplacé entièrement, pour fermer l'ouverture à diaphragme plat, en forme d'assiette ou en forme de bol disposé pour être déformé contre un siège plat le diaphragme étant actionné par pression d'un fluide
The present invention relates to a spray of microjets emanating at an inclined angle from nozzles comprised in a substantially planar membrane layer. A spray nozzle unit for spraying a plurality of fluidic microjets from a pressurized liquid comprises a substantially planar (semiconductor) support having an upstream surface and a downstream surface, and a spray membrane layer arranged on the downstream surface of the support. The spray membrane layer comprises a plurality of nozzle orifices each configured for spraying a fluidic microjet in a Rayleigh regime. Thee support defines a cavity extending from the upstream surface to the spray membrane layer. The cavity is in fluid communication with each one of the nozzle orifices for supplying the pressurized liquid to the nozzle orifices. A position of the nozzle orifices, seen along a direction perpendicular to the downstream surface, is offset in respect of a centre of the cavity. At least two of the nozzle orifices exhibit a different offset in respect of the centre of the cavity.
B05B 1/26 - Buses, têtes de pulvérisation ou autres dispositifs de sortie, avec ou sans dispositifs auxiliaires tels que valves, moyens de chauffage avec des moyens pour briser ou dévier mécaniquement le jet à sa sortie, p. ex. des déflecteurs fixesDispersion du liquide ou d'autre matériau fluide sortant à l'aide de jets d'impact
A62C 31/05 - Buses spécialement conçues pour la lutte contre l'incendie avec au moins deux sorties
B05B 1/14 - Buses, têtes de pulvérisation ou autres dispositifs de sortie, avec ou sans dispositifs auxiliaires tels que valves, moyens de chauffage avec des orifices de sortie multiplesBuses, têtes de pulvérisation ou autres dispositifs de sortie, avec ou sans dispositifs auxiliaires tels que valves, moyens de chauffage avec des filtres placés dans ou à l'extérieur de l'orifice de sortie
A62C 37/11 - Moyens de déchargement, p. ex. déchargés électriquement thermosensibles
B05B 15/40 - Filtres situés en amont des sorties de pulvérisation
B05B 1/16 - Buses, têtes de pulvérisation ou autres dispositifs de sortie, avec ou sans dispositifs auxiliaires tels que valves, moyens de chauffage avec des orifices de sortie multiplesBuses, têtes de pulvérisation ou autres dispositifs de sortie, avec ou sans dispositifs auxiliaires tels que valves, moyens de chauffage avec des filtres placés dans ou à l'extérieur de l'orifice de sortie comportant des sorties de section réglable
33.
Aerosol or spray device, spray nozzle unit and method of manufacturing the same
A method for manufacturing an spray device includes assembling at least one spray nozzle plate into a thermoplastic holder, while controlling the temperature of the spray nozzle plate and/or the holder and as a result at least locally plastically deforming the holder permanently. After the thermoplastic deformation of a seat of the holder, a diameter of the seat of the holder upstream of the spray nozzle plate exceeds a diameter of the seat of the holder downstream of the nozzle plate. The thermoplastic holder may have a tapered seat, where the smallest cross section of the tapered seat is smaller than the spray nozzle plate, where a widest side of the tapered seat is pointing towards a supply side of the liquid.
A61M 11/00 - Pulvérisateurs ou vaporisateurs spécialement destinés à des usages médicaux
B05B 15/40 - Filtres situés en amont des sorties de pulvérisation
B05B 1/14 - Buses, têtes de pulvérisation ou autres dispositifs de sortie, avec ou sans dispositifs auxiliaires tels que valves, moyens de chauffage avec des orifices de sortie multiplesBuses, têtes de pulvérisation ou autres dispositifs de sortie, avec ou sans dispositifs auxiliaires tels que valves, moyens de chauffage avec des filtres placés dans ou à l'extérieur de l'orifice de sortie
A61M 35/00 - Dispositifs pour appliquer des agents, p. ex. des remèdes, sur le corps humain
B05B 1/16 - Buses, têtes de pulvérisation ou autres dispositifs de sortie, avec ou sans dispositifs auxiliaires tels que valves, moyens de chauffage avec des orifices de sortie multiplesBuses, têtes de pulvérisation ou autres dispositifs de sortie, avec ou sans dispositifs auxiliaires tels que valves, moyens de chauffage avec des filtres placés dans ou à l'extérieur de l'orifice de sortie comportant des sorties de section réglable
05 - Produits pharmaceutiques, vétérinaires et hygièniques
10 - Appareils et instruments médicaux
Produits et services
Pharmaceutical products and substances for inhalers for the treatment of respiratory diseases; Medicinal products in the form of inhalers for the treatment of respiratory diseases; Medicines for treating respiratory diseases, namely therapeutic preparations for the airways administered via inhalation, orally or in the form of a nasal spray; Pharmaceutical preparations for treating respiratory diseases. Medical instruments and apparatus in the form of inhalers for the treatment of respiratory diseases; Medical apparatus for administering medicine in the form of inhalers for the treatment of respiratory diseases; Hand-held medical apparatus for administering medicine in the form of inhalers for the treatment of respiratory diseases; Medical inhalers for the treatment of respiratory diseases; Medical apparatus for inhaling pharmaceutical preparations for the treatment of respiratory diseases.
05 - Produits pharmaceutiques, vétérinaires et hygièniques
10 - Appareils et instruments médicaux
Produits et services
Pharmaceutical products and substances for inhalers for the treatment of respiratory diseases; Medicinal products in the form of inhalers for the treatment of respiratory diseases; Medicines for treating respiratory diseases, namely therapeutic preparations for the airways administered via inhalation, orally or in the form of a nasal spray; Pharmaceutical preparations for treating respiratory diseases. Medical instruments and apparatus in the form of inhalers for the treatment of respiratory diseases; Medical apparatus for administering medicine in the form of inhalers for the treatment of respiratory diseases; Hand-held medical apparatus for administering medicine in the form of inhalers for the treatment of respiratory diseases; Medical inhalers for the treatment of respiratory diseases; Medical apparatus for inhaling pharmaceutical preparations for the treatment of respiratory diseases.
The present invention relates to a spray device, comprising a spray nozzle body (2) and a substantially planar membrane layer (6) suspended over a nozzle cavity (3) to generate microjets, especially for pharmaceutical applications, in particular preservative free formulations. The nozzle body (2,8) contains a microbial barrier, particularly a microvalve (23,24) between a fluid supply channel (9) and said cavity (3).
B05B 11/00 - Appareillages monoblocs tenus à la main dans lesquels l'écoulement du contenu est produit par la force musculaire de l'opérateur au moment de l'utilisation
The present invention relates to a spray of microjets emanating at an inclined angle from nozzles comprised in a substantially planar membrane layer (4). A spray nozzle unit for spraying a plurality of fluidic microjets from a pressurized liquid comprises a substantially planar (semiconductor) support having an upstream surface and a downstream surface, and a spray membrane layer (4) arranged on the downstream surface of the support. The spray membrane layer (4) comprises a plurality of nozzle orifices (9) each configured for spraying a fluidic microjet in a Rayleigh regime.
B05B 1/14 - Buses, têtes de pulvérisation ou autres dispositifs de sortie, avec ou sans dispositifs auxiliaires tels que valves, moyens de chauffage avec des orifices de sortie multiplesBuses, têtes de pulvérisation ou autres dispositifs de sortie, avec ou sans dispositifs auxiliaires tels que valves, moyens de chauffage avec des filtres placés dans ou à l'extérieur de l'orifice de sortie
A62C 31/05 - Buses spécialement conçues pour la lutte contre l'incendie avec au moins deux sorties
A62C 37/11 - Moyens de déchargement, p. ex. déchargés électriquement thermosensibles
Spray device and spray nozzle body The present invention relates to a spray of microjets (2) emanating at an inclined angle from nozzles (9) comprised in a substantially planar membrane layer (4). A spray nozzle unit (1) for spraying a plurality of fluidic microjets (2) from a pressurized liquid comprises a substantially planar (semiconductor) support having an upstream surface and a downstream surface, and a spray membrane layer (4) arranged on the downstream surface of the support.
B05B 1/14 - Buses, têtes de pulvérisation ou autres dispositifs de sortie, avec ou sans dispositifs auxiliaires tels que valves, moyens de chauffage avec des orifices de sortie multiplesBuses, têtes de pulvérisation ou autres dispositifs de sortie, avec ou sans dispositifs auxiliaires tels que valves, moyens de chauffage avec des filtres placés dans ou à l'extérieur de l'orifice de sortie
A62C 31/05 - Buses spécialement conçues pour la lutte contre l'incendie avec au moins deux sorties
A62C 37/11 - Moyens de déchargement, p. ex. déchargés électriquement thermosensibles
39.
AEROSOL OR SPRAY DEVICE, SPRAY NOZZLE UNIT AND METHOD OF MANUFACTURING THE SAME
Spray device as well as a method for manufacturing an spray device, comprises assembling at least one spray nozzle plate (1) into a thermoplastic holder (2), while controlling the temperature of the spray nozzle plate (1) and/or the holder (2) and as a result at least locally plastically deforming the holder (2) permanently. After the thermoplastic deformation of a seat (5) of the holder (2), a diameter of the seat (5) of the holder (2) upstream of the spray nozzle plate (1) exceeds a diameter of the seat (5) of the holder (5) downstream of the nozzle plate (1). The thermoplastic holder may have a tapered seat, where the smallest cross section of the tapered seat is smaller than the spray nozzle plate, wherein the method may comprise: - heating the spray nozzle plate; - pressing the spray nozzle plate into the tapered seat of the holder by bringing the nozzle plate towards a smallest side of the tapered seat, thereby thermoplastically deforming a wall of the tapered seat; - forming a spray device from an assembly of the spray nozzle plate and the thermoplastic holder, whereas a widest side of the tapered seat is pointing towards a supply side of the liquid.
B05B 1/14 - Buses, têtes de pulvérisation ou autres dispositifs de sortie, avec ou sans dispositifs auxiliaires tels que valves, moyens de chauffage avec des orifices de sortie multiplesBuses, têtes de pulvérisation ou autres dispositifs de sortie, avec ou sans dispositifs auxiliaires tels que valves, moyens de chauffage avec des filtres placés dans ou à l'extérieur de l'orifice de sortie