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EP1604166A1 - Discharge device for light materials, such as confetti or similar, and/or emulsions, such as foam, snow or similar - Google Patents

Discharge device for light materials, such as confetti or similar, and/or emulsions, such as foam, snow or similar

Info

Publication number
EP1604166A1
EP1604166A1 EP04715926A EP04715926A EP1604166A1 EP 1604166 A1 EP1604166 A1 EP 1604166A1 EP 04715926 A EP04715926 A EP 04715926A EP 04715926 A EP04715926 A EP 04715926A EP 1604166 A1 EP1604166 A1 EP 1604166A1
Authority
EP
European Patent Office
Prior art keywords
transvector
light materials
outlet
compressed air
air
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP04715926A
Other languages
German (de)
French (fr)
Other versions
EP1604166B1 (en
Inventor
Jean-Yves Pizzini
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Universal Effects
Original Assignee
Universal Effects
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Universal Effects filed Critical Universal Effects
Publication of EP1604166A1 publication Critical patent/EP1604166A1/en
Application granted granted Critical
Publication of EP1604166B1 publication Critical patent/EP1604166B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41—WEAPONS
    • F41B—WEAPONS FOR PROJECTING MISSILES WITHOUT USE OF EXPLOSIVE OR COMBUSTIBLE PROPELLANT CHARGE; WEAPONS NOT OTHERWISE PROVIDED FOR
    • F41B11/00—Compressed-gas guns, e.g. air guns; Steam guns
    • F41B11/70—Details not provided for in F41B11/50 or F41B11/60
    • F41B11/71—Electric or electronic control systems, e.g. for safety purposes
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B57/00—Cabinets, racks or shelf units, characterised by features for adjusting shelves or partitions
    • A47B57/30—Cabinets, racks or shelf units, characterised by features for adjusting shelves or partitions with means for adjusting the height of detachable shelf supports
    • A47B57/48—Cabinets, racks or shelf units, characterised by features for adjusting shelves or partitions with means for adjusting the height of detachable shelf supports consisting of tongues, pins or similar projecting means coacting with openings
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63H—TOYS, e.g. TOPS, DOLLS, HOOPS OR BUILDING BLOCKS
    • A63H37/00—Jokes; Confetti, streamers, or other dance favours ; Cracker bonbons or the like
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63J—DEVICES FOR THEATRES, CIRCUSES, OR THE LIKE; CONJURING APPLIANCES OR THE LIKE
    • A63J5/00—Auxiliaries for producing special effects on stages, or in circuses or arenas
    • A63J5/02—Arrangements for making stage effects; Auxiliary stage appliances
    • A63J5/025—Devices for making mist or smoke effects, e.g. with liquid air
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63J—DEVICES FOR THEATRES, CIRCUSES, OR THE LIKE; CONJURING APPLIANCES OR THE LIKE
    • A63J5/00—Auxiliaries for producing special effects on stages, or in circuses or arenas
    • A63J5/02—Arrangements for making stage effects; Auxiliary stage appliances
    • A63J5/028—Devices for making snow effects
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41—WEAPONS
    • F41B—WEAPONS FOR PROJECTING MISSILES WITHOUT USE OF EXPLOSIVE OR COMBUSTIBLE PROPELLANT CHARGE; WEAPONS NOT OTHERWISE PROVIDED FOR
    • F41B11/00—Compressed-gas guns, e.g. air guns; Steam guns
    • F41B11/50—Magazines for compressed-gas guns; Arrangements for feeding or loading projectiles from magazines
    • F41B11/57—Electronic or electric systems for feeding or loading
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41—WEAPONS
    • F41B—WEAPONS FOR PROJECTING MISSILES WITHOUT USE OF EXPLOSIVE OR COMBUSTIBLE PROPELLANT CHARGE; WEAPONS NOT OTHERWISE PROVIDED FOR
    • F41B11/00—Compressed-gas guns, e.g. air guns; Steam guns
    • F41B11/80—Compressed-gas guns, e.g. air guns; Steam guns specially adapted for particular purposes
    • F41B11/81—Compressed-gas guns, e.g. air guns; Steam guns specially adapted for particular purposes for ejecting powder, e.g. pepper

Definitions

  • Device for spraying light materials such as confetti or the like and / or emulsions such as foam, snow or the like
  • the present invention relates to a device for projecting light materials such as confetti or the like and / or air-type emulsions in an aqueous phase such as mouse, theater snow, bubbles or the like.
  • the confetti and theater snow projection device comprises two compartments, a first compartment accommodating a vacuum device and a suction orifice in communication with a second compartment and an evacuation orifice in communication with the outside of the device.
  • the second compartment is filled with confetti or theater snow.
  • This type of device has the disadvantage of providing a particularly small radius for ejecting confetti or snow.
  • This light material projection system includes a storage box for storing light materials such as confetti and at its upper end an air amplifier transvector supplied by compressed air supplied by a compressed air bottle provided with a regulator and a valve, an ejection member of generally frustoconical shape being connected to the transvector to guide the air flow produced by the transvector which propels the confetti.
  • the upper wall of the housing is articulated to said housing in order to allow different inclinations of the ejection member.
  • This type of device has the disadvantage of requiring for each projection system a bottle of compressed air which is controlled by an operator actuating the valve, making it almost impossible to achieve visual effects such as waves of snow or con ettis.
  • One of the aims of the invention is therefore to remedy all these drawbacks by proposing a device for spraying light materials such as confetti or the like and / or emulsions of the air type in aqueous phase such as foam, theater snow, bubbles or the like, of simple and inexpensive design and making it possible to produce visual effects such as waves or the like.
  • a device for projecting light materials such as confetti or the like and / or emulsions of the air type in aqueous phase such as foam, theater snow. , bubbles or the like, comprising a reservoir comprising the light materials or an aqueous phase and connected by means of connection to a vacuum device such as an air amplifier transvector, for example, supplied with compressed air by compressed air cylinders fitted with a pressure reducer, the tank containing the light materials being connected to the rear end of the transvector where a depression is exerted, a strong overpressure being exerted at the opposite front end of said transvector to which a tubular element, preferably frustoconical, is flared from the transvector towards the outside, to guide the air flow produced by said conveyor, in order to project light materials into the air;
  • said device is remarkable in that it comprises a element for distributing compressed air comprising at least one inlet connected to the outlet of the regulator and at least two outlets, a
  • FIG. 1 is a perspective view of the device for projecting light materials and / or emulsions according to the invention
  • - Figure 2 is a schematic longitudinal sectional view of the device for projecting light materials and / or d emulsions according to the invention represented in FIG. 1
  • FIG. 3 is a top view of the base of the device for spraying light materials and / or emulsions according to the invention
  • FIG. 4 is a perspective view of the generally frustoconical ejection element of the device for projecting light materials and / or emulsions according to the invention
  • FIG. 5 is a view in longitudinal section of the ejection element of the device for projecting light materials and / or emulsions according to the invention, represented in FIG. 4,
  • FIG. 6 is a perspective view of several devices for spraying light materials and / or emulsions according to the invention connected in series and supplied by a compressed air supply unit,
  • the device for projecting light materials according to the invention comprises a generally cylindrical casing 1 comprising an annular shoulder 2 and in which an air amplifying transducer 3 is secured by two studs not shown in the figures .
  • the casing 1 is articulated between two branches 4a, 4b of a stirrup 4 in the general shape of a U, the base 4c of which is mounted free in rotation around an axis 5 secured to a generally cylindrical base 6, the axis of rotation 5 of the stirrup 4 being coaxial with the axis of symmetry of the base 6.
  • the device comprises an ejection element 7 located in an external cylindrical tube 7a, one of the ends of which is terminated by a flange 8 provided with holes 9 able to come in line with corresponding holes made on the side wall of the shoulder 2 of the casing 1 in order to allow the ejection element 7 to be fixed on the casing 1.
  • the ejection element 7 comprises, moreover, a second frustoconical tube said interior extending coaxially with the first tube 7a, said outer 7b, said second inner frustoconical tube 7b flaring from the free end of the front part 3a of the transvector 3 on which rests said second inner frustoconical tube 7b to the free end of the first outer tube 7a.
  • the free end of the front part 3a of the transvector 3 is understood to mean the part of said transvector 3 in which there is a strong overpressure, the opposite rear part 3b being the seat of a strong depression.
  • the device comprises a thermoformed cover 11 secured to the casing 1 by clipping and coming to cap the rear part 3b of the transvector 3 as described in American patent US 4,046,492 for example.
  • the base 6 consisting of a cylindrical hollow body comprises three feet 12 uniformly distributed around the base 6 and secured to its side wall.
  • the base 6 further comprises a compressed air distribution element 13 positioned inside said base 6 and comprising an inlet 14 connected to the outlet of a compressed air supply unit 15 which the '' we will detail below and three outlets 16, 17 and 18.
  • the outlets 16, 17 and 18 of the compressed air distribution element 13 consist of a first outlet 16 connected to the compressed air inlet of the transvector amplifier 3, of a second output 17 called automatic shutter, that is to say an output which is closed for example by a ball forming a valve when no connection means is connected to said output and which is open when a connection means is connected to it, suitable for being connected to the inlet of a distribution element of a second device for projecting light materials, and a third outlet 18 connected by means of connection to a reservoir of materials lége rs and / or to means for distributing the aqueous phase positioned in the air flow projected by the air amplifier transvector 3 as will be detailed below.
  • the compressed air distribution element 13 is secured inside the base 6 so that that the inlet 14 adapted to be connected to a compressed air supply unit 15 and the second outlet 16 adapted to be connected to the inlet of a distribution element of a second light material projection device protrudes side wall of the base 6.
  • first outlet 16 of the compressed air distribution element 13 extending inside the base 6 is connected by first connection means 19 which project from the upper face of the base 6 by a hole 20 made on said upper face of the base 6 which passes through the branches 4a, b of the stirrup 4 and through a hole 21 made in the thermoformed cover 11 secured to the casing 1, at the compressed air inlet 22 of the air amplifier transvector 3.
  • the first connection means 19 connecting the first outlet 16 of the compressed air distribution element 13 to the compressed air inlet 22 of the valve 3 comprises a solenoid valve 23 advantageously consisting of a so-called proportional valve capable of varying the flow rate of compressed air transmitted to the amplifier valve 3, the flow rate of the latter being proportional to the flow rate of compressed air supplying said tra nsvector 3, positioned inside the base 6 and controlled by control means 24.
  • control means 24 are advantageously connected to a receiver 25 capable of receiving information from a control box 26 comprising at least one potentiometer 27 and an emitter 28.
  • an operator by actuating the potentiometer 27 of the control unit 26 can control the solenoid valve 23 in order to vary the compressed air flow supplying the amplifier transducer 3 thus varying the flow rate d air projected by said transvector 3.
  • the second outlet 17 of the compressed air distribution element 13 which projects from the side wall of the base 6 next to the inlet 14 of said compressed air distribution element 13 is capable of being connected by second connection means 29 to the inlet 14 'of a distribution element 13' of a second device for projecting light materials according to the invention. It will be observed that several devices can thus be connected in series and supplied by a compressed air supply unit 15.
  • the third outlet 18 of the compressed air distribution element 13 extending inside the base 6 is connected by third connection means 30 which project from the base 6 through a second hole 31 made on the upper face of said base 6 to distribution means 32 (FIGS. 1 and 2) of the aqueous phase positioned in the air flow projected by the air amplifier transvector 3.
  • distribution means 32 consist of a second air amplifier transvector 33 secured to the ejection element 7 by opening radially inside said tubular ejection element 7 near its free end, said second transvector 33 comprising a capillary tube 34 connected by a pipe 35 to a reservoir 36 containing the aqueous phase and extending inside the cylindrical body of the second transvector 33.
  • the capillary tube 34 extends inside the generally cylindrical body of the second transvector 33 at an angle of approximately 45 ° relative to the longitudinal axis A of the cylindrical body of the transvector 33 so that that the free end of said capillary tube 34 is located on the longitudinal axis of the cylindrical body of the transvector 33 in the front part 33a where a strong overpressure is created, the rear part 33b of the transvector 33 being the seat of a depression, when the cylindrical body of the transvector is supplied with compressed air.
  • the air flow created in the front part of the cylindrical body of the transducer 33 creates a vacuum at the inlet of the capillary tube 34 which sucks the aqueous phase contained in the reservoir 36 connected to the tube capillary 34 through pipe 35.
  • the reservoir 36 can comprise means for creating an overpressure inside said reservoir 36 in order to facilitate and regulate the flow rate of the aqueous phase flowing from the capillary tube 34.
  • the means for distributing the aqueous phase 32 comprise a sleeve 37 obtained from a flexible or semi-rigid permeable material whose free ends are respectively integral with the front part 33a of the second transvector 33 , that is to say integral with the cylindrical hollow body opening radially into the ejection element 7, and the internal wall of the tubular ejection element 7 diametrically opposite the wall where the transvector 33 opens such so that the sleeve 37 extends diametrically inside the tubular ejection element 7 near its free end.
  • the aqueous phase contained in the reservoir 36 is projected into the sleeve 37 which extends diametrically inside the element d ejection 7 into which an air flow generated by the first transvector 3 is channeled, thus forming at the exit of the ejection element 7 an emulsion which may consist either in foam or in theater snow, either in bubbles depending on the nature of the aqueous phase contained in the reservoir 36.
  • the third connection means 30 comprise a second solenoid valve 38 positioned inside the base 6 between the third outlet 18 of the compressed air distribution element 13 and the distribution means 32 for the aqueous phase, said second solenoid valve 38 being controlled by the control means 24.
  • the third connection means 30 connected to the third outlet of the compressed air distribution element 13 are no longer connected to the means for distributing the aqueous phase but on the side wall of a tank 40 light materials, such as confetti or the like, comprising on its upper wall an outlet 41 connected by flexible connection means to a flexible bent tube 42 secured to the rear part 3b of the transvector 3, that is to say the part of the valve 3 where a high vacuum is created when said valve 3 is supplied with compressed air.
  • the transvector 3 when the transvector 3 is supplied with compressed air, a strong vacuum is created in the flexible bent tube 42 thus sucking the confetti contained in the reservoir 40 to project them by the ejection element 7 which has advantageously been replaced by a ejection element 7 not comprising a sleeve 37 extending diametrically near its free end in order to avoid any obstruction when ejecting the confetti.
  • said ejection element 7 consists of a frustoconical tube said to be exterior 7a comprising near its small base secured to the front end of the transvector 3 a second frustoconical tube said interior 7b coaxial with the first exterior frustoconical tube 7a, extending inside the latter over a length at least less than half the length of the exterior tube 7a, and preferably over a length equal to a third of the length of the outer tube 7a, and secured to the outer tube by spacers 43, said outer tube 7a comprising on its periphery over a length corresponding to the length of the inner frustoconical tube 7b from its small base regularly spaced holes 44.
  • the free end of the ejection element 7, near the small base of the latter comprises a flange 8 provided with holes 9 suitable for receiving bolts for fixing said ejection element 7 to the casing 1 of the device.
  • the compressed air supply unit consists of one or more bottles 45, advantageously mounted on a carriage not shown in the figures, connected to a ramp 46 which is connected to a regulator 47 by a connector 48 in T whose branches are respectively provided with a valve 49a, 49b, 9c respectively connected to the ramp 46, to a compressor 50 and to the regulator 47, an air filter 51 being advantageously positioned at the outlet of the regulator 47 in order to d '' prevent impurities from damaging transvectors 3 or 33.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Jet Pumps And Other Pumps (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Manufacturing Of Micro-Capsules (AREA)
  • Toys (AREA)
  • Projection Apparatus (AREA)
  • Overhead Projectors And Projection Screens (AREA)

Abstract

The device has a compressed air distribution unit (13) with an inlet (14) connected to an outlet of a pressure regulator (47) and an outlet (16) connected to a compressed air inlet (22) of an air amplifying transvector (3). An outlet (17) is opened when a connection unit is connected to it for connecting to an inlet (14) of a distribution unit (13) of a light material projection device. The outlet (17) is blocked by a ball forming valve when no connection unit is connected to the outlet.

Description

Dispositif de projection de matériaux légers tels que des confettis ou analogues et/ou des émulsions telles que de la mousse, de la neige ou analogue Device for spraying light materials such as confetti or the like and / or emulsions such as foam, snow or the like
La présente invention concerne un dispositif de projection de matériaux légers tels que des confettis ou analogues et/ou des émulsions du type air dans phase aqueuse telle que de la mouse, de la neige de théâtre, des bulles ou similaires.The present invention relates to a device for projecting light materials such as confetti or the like and / or air-type emulsions in an aqueous phase such as mouse, theater snow, bubbles or the like.
Dans le domaine des effets scéniques et plus généralement dans le domaine du spectacle, on connaît bien des dispositifs de projection de matériaux légers tels que des confettis par exemple ou de neige dite de théâtre comprenant un réservoir dans lequel sont contenus les confettis ou la neige de théâtre connecté à des moyens de projection des confettis ou de la neige consistant dans un transvecteur amplificateur d'air alimenté par de l'air comprimé procuré par une bouteille d'air comprimé munie d'un détendeur.In the field of scenic effects and more generally in the field of entertainment, devices for the projection of light materials such as confetti for example or of so-called theater snow are well known comprising a reservoir in which the confetti or the snow of theater connected to means for projecting confetti or snow, consisting of an air amplifier transvector supplied by compressed air supplied by a compressed air bottle fitted with a regulator.
C'est le cas, par exemple, du brevet américain US 6.149.495 décrivant un dispositif de projection de confettis et de neige de théâtre. Le dispositif de projection de confettis et de neige de théâtre comprend deux compartiments, un premier compartiment accueillant un dispositif de mise sous vide et un orifice d'aspiration en communication avec un second compartiment et un orifice d'évacuation en communication avec l'extérieur du dispositif. Le second compartiment est rempli de confettis ou de neige de théâtre. Ainsi, seuls les matériaux qui sont aptes à être déplacés par de l'air sont susceptibles d'entrer dans le dispositif de mise sous vide et peuvent être expulsés à travers le dispositif de mise sous vide.This is the case, for example, of US patent US 6,149,495 describing a device for projecting confetti and theater snow. The confetti and theater snow projection device comprises two compartments, a first compartment accommodating a vacuum device and a suction orifice in communication with a second compartment and an evacuation orifice in communication with the outside of the device. The second compartment is filled with confetti or theater snow. Thus, only materials which are capable of being displaced by air are capable of entering the vacuum device and can be expelled through the vacuum device.
Ce type de dispositif présente 1 ' inconvénient de procurer un rayon d'éjection des confettis ou de la neige particulièrement faible. De plus, pour la projection de neige de théâtre, il convient de produire préalablement ladite neige par un dispositif adapté puis d'introduire la neige ainsi produite dans le second compartiment du dispositif de distribution qui rend l'opération particulièrement longue et délicate.This type of device has the disadvantage of providing a particularly small radius for ejecting confetti or snow. In addition, for the projection of theater snow, it is advisable to produce said snow beforehand by a suitable device and then to introduce the snow thus produced in the second compartment of the distribution device which makes the operation particularly long and delicate.
On connaît par ailleurs, un système de projection de matériaux légers tels que des confettis décrit par le brevet américain US 6.364.737. Ce système de projection de matériaux légers comprend un boîtier de stockage pour stocker des matériaux légers tels que les confettis et à son extrémité supérieure un transvecteur a amplificateur d'air alimenté par de l'air comprimé distribué par une bouteille d'air comprimé munie d'un détendeur et d'une vanne, un membre d'éjection de forme globalement tronconique étant connecté au transvecteur pour guider le flux d'air produit par le transvecteur qui propulse les confettis. Accessoirement, la paroi supérieure du boîtier est articulée audit boîtier afin de permettre différentes inclinaisons du membre d'éjection.We also know, a projection system of light materials such as confetti described by US patent US 6,364,737. This light material projection system includes a storage box for storing light materials such as confetti and at its upper end an air amplifier transvector supplied by compressed air supplied by a compressed air bottle provided with a regulator and a valve, an ejection member of generally frustoconical shape being connected to the transvector to guide the air flow produced by the transvector which propels the confetti. Incidentally, the upper wall of the housing is articulated to said housing in order to allow different inclinations of the ejection member.
Ce type de dispositif présente l'inconvénient de nécessiter pour chaque système de projection d'une bouteille d'air comprimé qui est pilotée par un opérateur actionnant la vanne, rendant quasiment impossible la réalisation d'effets visuels tels que des vagues de neige ou de con ettis . L'un des buts de l'invention est donc de remédier à tous ces inconvénients en proposant un dispositif de projections de matériaux légers tels que des confettis ou analogues et/ou des émulsions du type air dans phase aqueuse telles que de la mousse, de la neige de théâtre, des bulles ou similaires, de conception simple et peu onéreuse et permettant de réaliser des effets visuels tels que des vagues ou similaire.This type of device has the disadvantage of requiring for each projection system a bottle of compressed air which is controlled by an operator actuating the valve, making it almost impossible to achieve visual effects such as waves of snow or con ettis. One of the aims of the invention is therefore to remedy all these drawbacks by proposing a device for spraying light materials such as confetti or the like and / or emulsions of the air type in aqueous phase such as foam, theater snow, bubbles or the like, of simple and inexpensive design and making it possible to produce visual effects such as waves or the like.
A cet effet, -et conformément à l'invention, il est proposé un dispositif de projection de matériaux légers tels que des confettis ou analogues et/ou des émulsions du type air dans phase aqueuse telles que de la mousse, de la neige de théâtre, des bulles ou similaires, comprenant un réservoir comprenant les matériaux légers ou une phase aqueuse et relié par des moyens de raccordement à un dispositif de mise sous vide tel qu'un transvecteur amplificateur d'air, par exemple, alimenté en air comprimé par des bouteilles d'air comprimé munies d'un détendeur, le réservoir contenant les matériaux légers étant raccordé à l'extrémité arrière du transvecteur où s'exerce une dépression, une forte surpression s 'exerçant à l'extrémité avant opposée dudit transvecteur sur laquelle est connectée un élément tubulaire, de préférence tronconique, s 'évasant depuis le transvecteur vers l'extérieur, pour guider le flux d'air produit par ledit tranvecteur, afin de projeter dans les airs les matériaux légers ; ledit dispositif est remarquable en ce qu'il comprend un élément de distribution de 1 ' air comprimé comprenant au moins une entrée connectée à la sortie du détendeur et au moins deux sorties, une première sortie connectée à l'entrée d'air comprimé du transvecteur amplificateur d'air et une seconde sortie dite à obturation automatique, c'est-à-dire une sortie qui est obturée, par exemple, par une bille formant clapet lorsque aucun moyen de raccordement n'est connecté à ladite sortie et qui est ouverte lorsqu'un moyen de raccordement y est connecté, apte a être accordé à l'entrée d'un élément de distribution d'un second dispositif de projection de matériaux légers . On comprend bien que, contrairement aux dispositifs de l'art antérieur, une unique source d'alimentation en air comprimé tel qu'une ou plusieurs bouteilles d'air comprimé alimentent plusieurs dispositifs de projection de matériaux légers raccordés en série permettant ainsi de réaliser des effets visuels tels que des vagues ou analogues.To this end, and in accordance with the invention, a device is proposed for projecting light materials such as confetti or the like and / or emulsions of the air type in aqueous phase such as foam, theater snow. , bubbles or the like, comprising a reservoir comprising the light materials or an aqueous phase and connected by means of connection to a vacuum device such as an air amplifier transvector, for example, supplied with compressed air by compressed air cylinders fitted with a pressure reducer, the tank containing the light materials being connected to the rear end of the transvector where a depression is exerted, a strong overpressure being exerted at the opposite front end of said transvector to which a tubular element, preferably frustoconical, is flared from the transvector towards the outside, to guide the air flow produced by said conveyor, in order to project light materials into the air; said device is remarkable in that it comprises a element for distributing compressed air comprising at least one inlet connected to the outlet of the regulator and at least two outlets, a first outlet connected to the inlet of compressed air from the valve air amplifier and a second outlet called automatic shutter, that is to say an outlet which is closed, for example, by a ball forming a valve when no connection means is connected to said outlet and which is open when a connection means is connected to it, able to be tuned to the input of a distribution element of a second light material projection device. It will be understood that, unlike the devices of the prior art, a single source of compressed air supply such as one or more bottles of compressed air supply several devices for spraying light materials connected in series, thus making it possible to produce visual effects such as waves or the like.
D'autres avantages et caractéristiques ressortiront mieux de la description qui va suivre de plusieurs variantes d'exécution, données à titre d'exemples non limitatifs, du dispositif de projection de matériaux légers et/ou d' émulsions suivant l'invention, en référence aux dessins sur lesquels :Other advantages and characteristics will emerge more clearly from the description which follows of several alternative embodiments, given by way of nonlimiting examples, of the device for spraying light materials and / or emulsions according to the invention, with reference to the drawings in which:
- la figure 1 est une vue en perspective du dispositif de projection de matériaux légers et/ou d' émulsions conforme à l'invention, - la figure 2 est une vue en coupe longitudinale schématique du dispositif de projection de matériaux légers et/ou d' émulsions suivant l'invention représentés sur la figure 1, - la figure 3 est une vue de dessus de l'embase du dispositif de projection de matériaux légers et/ou d' émulsions suivant l'invention,- Figure 1 is a perspective view of the device for projecting light materials and / or emulsions according to the invention, - Figure 2 is a schematic longitudinal sectional view of the device for projecting light materials and / or d emulsions according to the invention represented in FIG. 1, FIG. 3 is a top view of the base of the device for spraying light materials and / or emulsions according to the invention,
- la figure 4 est une vue en perspective de l'élément d'éjection de forme globalement tronconique du dispositif de projection de matériaux légers et/ou d' émulsions conforme à l'invention,FIG. 4 is a perspective view of the generally frustoconical ejection element of the device for projecting light materials and / or emulsions according to the invention,
- la figure 5 est une vue en coupe longitudinale de l'élément d'éjection du dispositif de projection de matériaux légers et/ou d' émulsions suivant l'invention, représenté sur la figure 4,FIG. 5 is a view in longitudinal section of the ejection element of the device for projecting light materials and / or emulsions according to the invention, represented in FIG. 4,
- la figure 6 est une vue en perspective de plusieurs dispositifs de projection de matériaux légers et/ou d' émulsions conforme à l'invention raccordés en série et alimentés par une unité d'alimentation en air comprimé,FIG. 6 is a perspective view of several devices for spraying light materials and / or emulsions according to the invention connected in series and supplied by a compressed air supply unit,
- la figure 7 est une vue en coupe longitudinale d'un transvecteur amplificateur d'air formant des moyens de distribution de la phase aqueuse du dispositif conforme à 1 ' invention. En référence aux figures 1 et 2, le dispositif de projection des matériaux légers suivant l'invention comprend un carter 1 globalement cylindrique comprenant un épaulement annulaire 2 et dans lequel est solidarisé un tranvecteur amplificateur d'air 3 par deux goujons non représentés sur les figures. Le carter 1 est articulé entre deux branches 4a, 4b d'un étrier 4 en forme générale de U dont la base 4c est montée libre en rotation autour d'un axe 5 solidaire d'une embase 6 globalement cylindrique, 1 ' axe de rotation 5 de 1 ' étrier 4 étant coaxial à 1 ' axe de symétrie de l'embase 6. Par ailleurs, le dispositif comprend un élément d'éjection 7 situé dans un tube cylindrique extérieur 7a dont l'une des extrémités est terminée par une collerette 8 munie de trous 9 aptes à venir au droit de trous correspondant pratiqués sur la paroi latérale de l'epaulement 2 du carter 1 afin de permettre la fixation de l'élément d'éjection 7 sur le carter 1. L'élément d'éjection 7 comprend, par ailleurs, un second tube tronconique dit intérieur s ' étendant coaxialement au premier tube 7a dit extérieur 7b, ledit second tube tronconique intérieur 7b s ' évasant depuis l'extrémité libre de la partie avant 3a du transvecteur 3 sur lequel prend appui ledit second tube tronconique intérieur 7b jusqu'à l'extrémité libre du premier tube extérieur 7a. On entend par l'extrémité libre de la partie avant 3a du transvecteur 3 la partie dudit transvecteur 3 dans laquelle s'exerce une forte surpression, la partie arrière opposée 3b étant le siège d'une forte dépression. De plus, le dispositif comprend un capot thermoformé 11 solidarisé au carter 1 par clipsage et venant coiffer la partie arrière 3b du transvecteur 3 tel que décrit dans le brevet américain US 4.046.492 par exemple.- Figure 7 is a longitudinal sectional view of an air amplifier transvector forming means for distributing the aqueous phase of the device according to one invention. With reference to FIGS. 1 and 2, the device for projecting light materials according to the invention comprises a generally cylindrical casing 1 comprising an annular shoulder 2 and in which an air amplifying transducer 3 is secured by two studs not shown in the figures . The casing 1 is articulated between two branches 4a, 4b of a stirrup 4 in the general shape of a U, the base 4c of which is mounted free in rotation around an axis 5 secured to a generally cylindrical base 6, the axis of rotation 5 of the stirrup 4 being coaxial with the axis of symmetry of the base 6. Furthermore, the device comprises an ejection element 7 located in an external cylindrical tube 7a, one of the ends of which is terminated by a flange 8 provided with holes 9 able to come in line with corresponding holes made on the side wall of the shoulder 2 of the casing 1 in order to allow the ejection element 7 to be fixed on the casing 1. The ejection element 7 comprises, moreover, a second frustoconical tube said interior extending coaxially with the first tube 7a, said outer 7b, said second inner frustoconical tube 7b flaring from the free end of the front part 3a of the transvector 3 on which rests said second inner frustoconical tube 7b to the free end of the first outer tube 7a. The free end of the front part 3a of the transvector 3 is understood to mean the part of said transvector 3 in which there is a strong overpressure, the opposite rear part 3b being the seat of a strong depression. In addition, the device comprises a thermoformed cover 11 secured to the casing 1 by clipping and coming to cap the rear part 3b of the transvector 3 as described in American patent US 4,046,492 for example.
En référence à la figure 3, l'embase 6 constituée d'un corps creux cylindrique comprend trois pieds 12 uniformément répartis autour de l'embase 6 et solidarisée à sa paroi latérale. L'embase 6 comprend, par ailleurs, un élément de distribution de l'air comprimé 13 positionné à 1 ' intérieur de ladite embase 6 et comprenant une entrée 14 connectée à la sortie d'une unité d'alimentation en air comprimé 15 que l'on détaillera plus loin et trois sorties 16, 17 et 18. Les sorties 16, 17 et 18 de l'élément de distribution de l'air comprimé 13 consistent dans une première sortie 16 connectée à l'entrée d'air comprimé du transvecteur amplificateur 3, d'une seconde sortie 17 dite à obturation automatique, c'est-à-dire une sortie qui est obturée par exemple par une bille formant clapet lorsque aucun moyen de raccordement n'est connecté à ladite sortie et qui est ouverte lorsqu'un moyen de raccordement y est connecté, apte à être raccordée à l'entrée d'un élément de distribution d'un second dispositif de projection de matériaux légers, et une troisième sortie 18 connectée par des moyens de raccordement à un réservoir de matériaux légers et/ou à des moyens de distribution de la phase aqueuse positionnés dans le flux d'air projeté par le transvecteur amplificateur d'air 3 comme il sera détaillé ci-après. L'élément de distribution de l'air comprimé 13 est solidarisé à l'intérieur de l'embase 6 de telle sorte que l'entrée 14 apte à être connectée à une unité d'alimentation en air comprimé 15 et la seconde sortie 16 apte à être connectée à l'entrée d'un élément de distribution d'un second dispositif de projection de matériaux légers fasse saillie de la paroi latérale de 1 ' embase 6.Referring to Figure 3, the base 6 consisting of a cylindrical hollow body comprises three feet 12 uniformly distributed around the base 6 and secured to its side wall. The base 6 further comprises a compressed air distribution element 13 positioned inside said base 6 and comprising an inlet 14 connected to the outlet of a compressed air supply unit 15 which the '' we will detail below and three outlets 16, 17 and 18. The outlets 16, 17 and 18 of the compressed air distribution element 13 consist of a first outlet 16 connected to the compressed air inlet of the transvector amplifier 3, of a second output 17 called automatic shutter, that is to say an output which is closed for example by a ball forming a valve when no connection means is connected to said output and which is open when a connection means is connected to it, suitable for being connected to the inlet of a distribution element of a second device for projecting light materials, and a third outlet 18 connected by means of connection to a reservoir of materials lége rs and / or to means for distributing the aqueous phase positioned in the air flow projected by the air amplifier transvector 3 as will be detailed below. The compressed air distribution element 13 is secured inside the base 6 so that that the inlet 14 adapted to be connected to a compressed air supply unit 15 and the second outlet 16 adapted to be connected to the inlet of a distribution element of a second light material projection device protrudes side wall of the base 6.
En référence aux figures 1 à 3, la première sortie 16 de l'élément de distribution de l'air comprimé 13 s ' étendant à l'intérieur de l'embase 6 est connectée par des premiers moyens de raccordement 19 qui font saillie de la face supérieure de l'embase 6 par un trou 20 pratiqué sur ladite face supérieure de l'embase 6 qui passe à travers les branches 4a, b de l' étrier 4 et à travers un trou 21 pratiqué dans le capot thermoformé 11 solidaire du carter 1, à l'entrée d'air comprimé 22 du transvecteur amplificateur d'air 3. Le premier moyen de raccordement 19 connectant la première sortie 16 de l'élément de distribution d'air comprimé 13 à l'entrée d'air comprimé 22 du transvecteur 3 comprend une électrovanne 23 consistant avantageusement dans une électrovanne dite proportionnelle apte à faire varier le débit d'air comprimé transmis au transvecteur amplificateur 3, le débit de ce dernier étant proportionnel au débit d'air comprimé alimentant ledit transvecteur 3, positionnée à l'intérieur de l'embase 6 et pilotée par des moyens de commande 24. Ces moyens de commande 24 sont avantageusement connectés à un récepteur 25 apte à recevoir les informations d'un boîtier de commande 26 comportant au moins un potentiomètre 27 et un émetteur 28. Ainsi, un opérateur en actionnant le potentiomètre 27 du boîtier de commande 26 peut piloter 1 ' électrovanne 23 afin de faire varier le débit d'air comprimé alimentant le transvecteur amplificateur 3 faisant ainsi varier le débit du flux d'air projeté par ledit transvecteur 3. En référence aux figures 3 et 6, la seconde sortie 17 de l'élément de distribution d'air comprimé 13 qui fait saillie de la paroi latérale de l'embase 6 à côté de l'entrée 14 dudit élément de distribution d'air comprimé 13 est apte à être connectée par des seconds moyens de raccordement 29 à l'entrée 14' d'un élément de distribution 13' d'un second dispositif de projection de matériaux légers conforme à l'invention. On observera que plusieurs dispositifs peuvent ainsi être connectés en série et alimentés par une unité d'alimentation en air comprimé 15.Referring to Figures 1 to 3, the first outlet 16 of the compressed air distribution element 13 extending inside the base 6 is connected by first connection means 19 which project from the upper face of the base 6 by a hole 20 made on said upper face of the base 6 which passes through the branches 4a, b of the stirrup 4 and through a hole 21 made in the thermoformed cover 11 secured to the casing 1, at the compressed air inlet 22 of the air amplifier transvector 3. The first connection means 19 connecting the first outlet 16 of the compressed air distribution element 13 to the compressed air inlet 22 of the valve 3 comprises a solenoid valve 23 advantageously consisting of a so-called proportional valve capable of varying the flow rate of compressed air transmitted to the amplifier valve 3, the flow rate of the latter being proportional to the flow rate of compressed air supplying said tra nsvector 3, positioned inside the base 6 and controlled by control means 24. These control means 24 are advantageously connected to a receiver 25 capable of receiving information from a control box 26 comprising at least one potentiometer 27 and an emitter 28. Thus, an operator by actuating the potentiometer 27 of the control unit 26 can control the solenoid valve 23 in order to vary the compressed air flow supplying the amplifier transducer 3 thus varying the flow rate d air projected by said transvector 3. With reference to FIGS. 3 and 6, the second outlet 17 of the compressed air distribution element 13 which projects from the side wall of the base 6 next to the inlet 14 of said compressed air distribution element 13 is capable of being connected by second connection means 29 to the inlet 14 'of a distribution element 13' of a second device for projecting light materials according to the invention. It will be observed that several devices can thus be connected in series and supplied by a compressed air supply unit 15.
En référence aux figures 1 à 3, la troisième sortie 18 de l'élément de distribution d'air comprimé 13 s 'étendant à l'intérieur de l'embase 6 est connectée par des troisièmes moyens de raccordement 30 qui font saillie de l'embase 6 par un second trou 31 pratiqué sur la face supérieure de ladite embase 6 à des moyens de distribution 32 (figures 1 et 2) de la phase aqueuse positionnés dans le flux d'air projeté par le transvecteur à amplificateur d'air 3. Ces moyens de distribution 32, en références aux figures 1 et 2, consistent dans un second transvecteur amplificateur d'air 33 solidarisé à l'élément d'éjection 7 en débouchant radialement à l'intérieur dudit élément d'éjection tubulaire 7 à proximité de son extrémité libre, ledit second transvecteur 33 comprenant un tube capillaire 34 connecté par un tuyau 35 à un réservoir 36 contenant la phase aqueuse et s ' étendant à l'intérieur du corps cylindrique du second transvecteur 33. En référence à la figure 7, le tube capillaire 34 s'étend à l'intérieur du corps globalement cylindrique du second transvecteur 33 en formant un angle d'environ 45° par rapport à l'axe longitudinal A du corps cylindrique du transvecteur 33 de telle sorte que l'extrémité libre dudit tube capillaire 34 se situe sur l'axe longitudinal du corps cylindrique du transvecteur 33 dans la partie avant 33a où se crée une forte surpression, la partie arrière 33b du transvecteur 33 étant le siège d'une dépression, lorsque le corps cylindrique du transvecteur est alimenté en air comprimé. Ainsi, le flux d'air créé dans la partie avant du corps cylindrique du tranvecteur 33 crée une dépression à l'entrée du tube capillaire 34 qui aspire la phase aqueuse contenue dans le réservoir 36 connecté au tube capillaire 34 par le tuyau 35.With reference to Figures 1 to 3, the third outlet 18 of the compressed air distribution element 13 extending inside the base 6 is connected by third connection means 30 which project from the base 6 through a second hole 31 made on the upper face of said base 6 to distribution means 32 (FIGS. 1 and 2) of the aqueous phase positioned in the air flow projected by the air amplifier transvector 3. These distribution means 32, with reference to FIGS. 1 and 2, consist of a second air amplifier transvector 33 secured to the ejection element 7 by opening radially inside said tubular ejection element 7 near its free end, said second transvector 33 comprising a capillary tube 34 connected by a pipe 35 to a reservoir 36 containing the aqueous phase and extending inside the cylindrical body of the second transvector 33. With reference in FIG. 7, the capillary tube 34 extends inside the generally cylindrical body of the second transvector 33 at an angle of approximately 45 ° relative to the longitudinal axis A of the cylindrical body of the transvector 33 so that that the free end of said capillary tube 34 is located on the longitudinal axis of the cylindrical body of the transvector 33 in the front part 33a where a strong overpressure is created, the rear part 33b of the transvector 33 being the seat of a depression, when the cylindrical body of the transvector is supplied with compressed air. Thus, the air flow created in the front part of the cylindrical body of the transducer 33 creates a vacuum at the inlet of the capillary tube 34 which sucks the aqueous phase contained in the reservoir 36 connected to the tube capillary 34 through pipe 35.
Il va de soi que le réservoir 36 peut comprendre des moyens pour créer une surpression à l'intérieur dudit réservoir 36 afin de faciliter et de réguler le débit de la phase aqueuse s ' écoulant du tube capillaire 34.It goes without saying that the reservoir 36 can comprise means for creating an overpressure inside said reservoir 36 in order to facilitate and regulate the flow rate of the aqueous phase flowing from the capillary tube 34.
Par ailleurs, en référence aux figures 1 et 2, les moyens de distribution 32 de la phase aqueuse comprennent un manchon 37 obtenu dans un matériau souple ou semi-rigide perméable dont les extrémités libres sont respectivement solidaires de la partie avant 33a du second transvecteur 33, c'est-à-dire solidaire du corps creux cylindrique débouchant radialement dans l'élément d'éjection 7, et de la paroi interne de l'élément d'éjection tubulaire 7 diamétralement opposé à la paroi où débouche le transvecteur 33 de telle sorte que le manchon 37 s'étende diamétralement à l'intérieur de l'élément d'éjection tubulaire 7 à proximité de son extrémité libre. Ainsi, lorsque le premier et le second transvecteur 3 et respectivement 33 sont alimentés par de l'air comprimé, la phase aqueuse contenue dans le réservoir 36 est projetée dans le manchon 37 qui s'étend diamétralement à l'intérieur de l'élément d'éjection 7 dans lequel est canalisé un flux d'air généré par le premier transvecteur 3 formant ainsi à la sortie de l'élément d'éjection 7 une emulsion qui peut consister soit dans de la mousse, soit dans de la neige de théâtre, soit dans des bulles en fonction de la nature de la phase aqueuse contenue dans le réservoir 36.Furthermore, with reference to FIGS. 1 and 2, the means for distributing the aqueous phase 32 comprise a sleeve 37 obtained from a flexible or semi-rigid permeable material whose free ends are respectively integral with the front part 33a of the second transvector 33 , that is to say integral with the cylindrical hollow body opening radially into the ejection element 7, and the internal wall of the tubular ejection element 7 diametrically opposite the wall where the transvector 33 opens such so that the sleeve 37 extends diametrically inside the tubular ejection element 7 near its free end. Thus, when the first and second transvector 3 and respectively 33 are supplied with compressed air, the aqueous phase contained in the reservoir 36 is projected into the sleeve 37 which extends diametrically inside the element d ejection 7 into which an air flow generated by the first transvector 3 is channeled, thus forming at the exit of the ejection element 7 an emulsion which may consist either in foam or in theater snow, either in bubbles depending on the nature of the aqueous phase contained in the reservoir 36.
Par ailleurs, en référence à la figure 3, les troisièmes moyens de raccordement 30 comprennent une seconde électrovanne 38 positionnée à l'intérieur de l'embase 6 entre la troisième sortie 18 de l'élément de distribution de l'air comprimé 13 et les moyens de distribution 32 de la phase aqueuse, ladite seconde électrovanne 38 étant pilotée par les moyens de commande 24.Furthermore, with reference to FIG. 3, the third connection means 30 comprise a second solenoid valve 38 positioned inside the base 6 between the third outlet 18 of the compressed air distribution element 13 and the distribution means 32 for the aqueous phase, said second solenoid valve 38 being controlled by the control means 24.
Selon une première variante d'exécution du dispositif de projection des matériaux légers conformes à l'invention, en référence à la figure 2, les troisièmes moyens de raccordement 30 raccordés à la troisième sortie de l'élément de distribution d'air comprimé 13 sont connectés non plus aux moyens de distribution de la phase aqueuse mais sur la paroi latérale d'un réservoir 40 des matériaux légers, tels que des confettis ou similaires, comprenant sur sa paroi supérieure une sortie 41 connectée par des moyens de raccordement flexibles à un tube coudé flexible 42 solidarisé à la partie arrière 3b du transvecteur 3, c'est-à-dire la partie du transvecteur 3 où se crée une forte dépression lorsque ledit transvecteur 3 est alimenté en air comprimé. Ainsi, lorsque le transvecteur 3 est alimenté en air comprimé, une forte dépression se crée dans le tube coudé flexible 42 aspirant ainsi les confettis contenus dans le réservoir 40 pour les projeter par l'élément d'éjection 7 qui a été remplacé avantageusement par un élément d'éjection 7 ne comprenant pas de manchon 37 s ' étendant diamétralement à proximité de son extrémité libre afin d'éviter toute obstruction lors de l'éjection des confettis.According to a first alternative embodiment of the device for projecting light materials in accordance with the invention, with reference to FIG. 2, the third connection means 30 connected to the third outlet of the compressed air distribution element 13 are no longer connected to the means for distributing the aqueous phase but on the side wall of a tank 40 light materials, such as confetti or the like, comprising on its upper wall an outlet 41 connected by flexible connection means to a flexible bent tube 42 secured to the rear part 3b of the transvector 3, that is to say the part of the valve 3 where a high vacuum is created when said valve 3 is supplied with compressed air. Thus, when the transvector 3 is supplied with compressed air, a strong vacuum is created in the flexible bent tube 42 thus sucking the confetti contained in the reservoir 40 to project them by the ejection element 7 which has advantageously been replaced by a ejection element 7 not comprising a sleeve 37 extending diametrically near its free end in order to avoid any obstruction when ejecting the confetti.
A cet égard, selon une variante d'exécution de l'élément d'éjection 7, en référence aux figures 4 et 5, ledit élément d'éjection 7 consiste dans un tube tronconique dit extérieur 7a comprenant à proximité de sa petite base solidarisée à l'extrémité avant du transvecteur 3 un second tube tronconique dit intérieur 7b coaxial au premier tube tronconique extérieur 7a, s ' étendant à 1 ' intérieur de ce dernier sur une longueur au moins inférieure à la moitié de la longueur du tube extérieur 7a, et de préférence sur une longueur égale au tiers de la longueur du tube extérieur 7a, et solidarisé au tube extérieur par des entretoises 43, ledit tube extérieur 7a comprenant sur sa périphérie sur une longueur correspondant à la longueur du tube tronconique intérieur 7b depuis sa petite base des trous 44 régulièrement espacés. De la même manière que précédemment, l'extrémité libre de l'élément d'éjection 7, à proximité de la petite base de ce dernier comprend une collerette 8 munie de trous 9 aptes à accueillir des boulons pour fixer ledit élément d'éjection 7 sur le carter 1 du dispositif.In this regard, according to an alternative embodiment of the ejection element 7, with reference to FIGS. 4 and 5, said ejection element 7 consists of a frustoconical tube said to be exterior 7a comprising near its small base secured to the front end of the transvector 3 a second frustoconical tube said interior 7b coaxial with the first exterior frustoconical tube 7a, extending inside the latter over a length at least less than half the length of the exterior tube 7a, and preferably over a length equal to a third of the length of the outer tube 7a, and secured to the outer tube by spacers 43, said outer tube 7a comprising on its periphery over a length corresponding to the length of the inner frustoconical tube 7b from its small base regularly spaced holes 44. In the same way as previously, the free end of the ejection element 7, near the small base of the latter comprises a flange 8 provided with holes 9 suitable for receiving bolts for fixing said ejection element 7 to the casing 1 of the device.
En référence à la figure 6, l'unité d'alimentation en air comprimé consiste dans une ou plusieurs bouteilles 45, avantageusement montées sur un chariot non représenté sur les figures, connectées à une rampe 46 qui est raccordée à un détendeur 47 par un raccord 48 en T dont les branches sont respectivement munies d'une vanne 49a, 49b, 9c respectivement connectées à la rampe 46, à un compresseur 50 et au détendeur 47, un filtre à air 51 étant avantageusement positionné à la sortie du détendeur 47 afin d'éviter que des impuretés ne viennent endommager les transvecteurs 3 ou 33.Referring to Figure 6, the compressed air supply unit consists of one or more bottles 45, advantageously mounted on a carriage not shown in the figures, connected to a ramp 46 which is connected to a regulator 47 by a connector 48 in T whose branches are respectively provided with a valve 49a, 49b, 9c respectively connected to the ramp 46, to a compressor 50 and to the regulator 47, an air filter 51 being advantageously positioned at the outlet of the regulator 47 in order to d '' prevent impurities from damaging transvectors 3 or 33.
Il va de soi que 1 ' on pourra adapter la forme et les dimensions de l'élément d'éjection 7 du dispositif de projection de matériaux légers en fonction du type de matériaux que l'on souhaite projeter ainsi que de l'effet visuel recherché et que les exemples que l'on vient de donner ne sont que des illustrations particulières en aucun cas limitatives quant au domaine d'application de 1 ' invention. It goes without saying that one can adapt the shape and dimensions of the ejection element 7 of the light material projection device according to the type of material that one wishes to project as well as the desired visual effect. and that the examples which have just been given are only particular illustrations in no way limiting as to the field of application of the invention.

Claims

REVENDICATIONS
1 - Dispositif de projection de matériaux légers tels que des confettis ou analogue et/ou des émulsions du type air en phase aqueuse telle que de la mousse, de la neige de théâtre, des bulles ou similaires, comprenant un réservoir (36,40) contenant les matériaux légers ou une phase aqueuse et relié par des moyens de raccordement à un dispositif de mise sous vide tel qu'un transvecteur amplificateur d'air (3) par exemple, alimenté en air comprimé par des bouteilles d'air comprimé (45) munies d'un détendeur (47), le réservoir (36,40) contenant les matériaux légers étant raccordé à l'extrémité arrière (3b) du transvecteur (3) où s'exerce une dépression, une forte surpression s 'exerçant à l'extrémité opposée avant (3a) dudit transvecteur (3) sur laquelle est connectée un élément d'éjection tubulaire (7), de préférence tronconique, s 'évasant depuis le transvecteur (3) vers l'extérieur, pour guider le flux d'air produit par ledit tranvecteur (3) afin de projeter dans les airs les matériaux légers caractérisé en ce qu'il comprend un élément de distribution de l'air comprimé (13) comprenant au moins une entrée (14) connectée à la sortie du détendeur (47) et au moins deux sorties (16,17), une première sortie (16) connectée à l'entrée d'air comprimé (22) du transvecteur amplificateur d'air (3) et une seconde sortie (17) dite à obturation automatique, c'est-à-dire une sortie qui est obturée, par exemple, par une bille formant clapet lorsque aucun moyen de raccordement n'est connecté à ladite sortie et qui est ouverte lorsqu'un moyen de raccordement y est connecté, apte a être raccordé à l'entrée (14') d'un élément de distribution (13') d'un second dispositif de projection de matériaux légers .1 - Device for spraying light materials such as confetti or the like and / or air-type emulsions in the aqueous phase such as foam, theater snow, bubbles or the like, comprising a reservoir (36,40) containing light materials or an aqueous phase and connected by means of connection to a vacuum device such as an air amplifier transvector (3) for example, supplied with compressed air by compressed air bottles (45 ) provided with a pressure reducer (47), the tank (36.40) containing the light materials being connected to the rear end (3b) of the valve (3) where a vacuum is exerted, a strong overpressure being exerted at the opposite front end (3a) of said transvector (3) to which is connected a tubular ejection element (7), preferably frustoconical, flaring from the transvector (3) towards the outside, to guide the flow of air produced by said converter (3) in order to e projecting light materials into the air, characterized in that it comprises a compressed air distribution element (13) comprising at least one inlet (14) connected to the outlet of the regulator (47) and at least two outlets ( 16,17), a first outlet (16) connected to the compressed air inlet (22) of the air amplifier transvector (3) and a second outlet (17) called automatic shutter, i.e. say an outlet which is closed, for example, by a ball forming a valve when no connection means is connected to said outlet and which is open when a connection means is connected thereto, suitable for being connected to the inlet ( 14 ') of a distribution element (13') of a second device for projecting light materials.
2 - Dispositif de projection de matériaux légers suivant la revendication précédente caractérise en ce que l'élément de distribution de l'air comprimé (13) comprend une troisième sortie (18) connectée par des moyens de raccordement (30) au réservoir (40) de matériaux légers et/ou à des moyens de distribution (32) de la phase aqueuse positionnés dans le flux d'air projeté par le transvecteur amplificateur d'air (3).2 - Light material projection device according to the preceding claim characterized in that the compressed air distribution element (13) comprises a third outlet (18) connected by connection means (30) to the tank (40) light materials and / or to distribution means (32) of the aqueous phase positioned in the air flow projected by the air amplifier transvector (3).
3 - Dispositif de projection de matériaux légers suivant la. revendication 2 caractérisé en ce que les moyens de distribution (32) de la phase aqueuse consistent dans un second transvecteur amplificateur d'air (33) solidarisé à l'élément d'éjection tubulaire (17) en débouchant radialement à l'intérieur dudit élément d'éjection (7) à proximité de son extrémité libre, ledit second transvecteur (33) comprenant un tube capillaire (34) connecté par un tuyau (35) à un second réservoir (36) de la phase aqueuse et s 'étendant à l'intérieur du corps cylindrique du second transvecteur (33) en formant un angle α d'environ 45° par rapport à l'axe longitudinal A du corps cylindrique dudit second transvecteur (33) de telle sorte que l'extrémité libre dudit tube capillaire (34) se situe sur l'axe longitudinal du corps cylindrique du second transvecteur (33) . 4 - Dispositif de projection de matériaux légers suivant la revendication 3 caractérisé en ce que les moyens de distribution (32) de la phase aqueuse comprennent un manchon (37) obtenu dans un matériau souple pu semi-rigide perméable dont les extrémités libres sont respectivement solidaires de la partie avant (3a) du transvecteur (3) , c'est-à-dire solidaires du corps creux cylindrique, et débouchant radialement dans l'élément d'éjection tubulaire (7), et de la paroi interne de l'élément d'éjection tubulaire (7) diamétralement opposée à la paroi où débouche le second transvecteur (33) de telle sorte que le manchon (37) s'étende diamétralement à l'intérieur de l'élément d'éjection tubulaire (7) à proximité de son extrémité libre.3 - Device for projecting light materials according to. claim 2 characterized in that the distribution means (32) of the aqueous phase consist of a second air amplifier transvector (33) secured to the tubular ejection element (17) by opening radially inside said element ejection (7) near its free end, said second transvector (33) comprising a capillary tube (34) connected by a pipe (35) to a second reservoir (36) of the aqueous phase and extending to the inside the cylindrical body of the second transvector (33) by forming an angle α of approximately 45 ° relative to the longitudinal axis A of the cylindrical body of said second transvector (33) so that the free end of said capillary tube ( 34) is located on the longitudinal axis of the cylindrical body of the second transvector (33). 4 - Device for projecting light materials according to claim 3 characterized in that the distribution means (32) of the aqueous phase comprise a sleeve (37) obtained in a flexible semi-rigid permeable pu material whose free ends are respectively secured of the front part (3a) of the transvector (3), that is to say integral with the cylindrical hollow body, and opening radially into the tubular ejection element (7), and the internal wall of the element tubular ejection (7) diametrically opposite to the wall where the second transvector (33) opens so that the sleeve (37) extends diametrically inside the tubular ejection element (7) nearby from its free end.
5 - Dispositif de projection de matériaux légers suivant l'une quelconque des revendications 1 à 3 caractérisé en ce qu'il comprend une électrovanne (23) positionnée entre la première sortie (16) de l'élément de distribution de l'air comprimé (13) et l'entrée d'air comprimé (22) du premier transvecteur amplificateur d'air (3) et pilotée par des moyens de commande (24) .5 - Device for projecting light materials according to any one of claims 1 to 3 characterized in that it comprises a solenoid valve (23) positioned between the first outlet (16) of the compressed air distribution element ( 13) and the air inlet compressed (22) of the first air amplifier transvector (3) and controlled by control means (24).
6 - Dispositif de projection de matériaux légers suivant la revendication 5 caractérisé en ce que 1 ' électrovanne (23) consiste dans .une électrovanne proportionnelle apte à faire varier le débit d'air comprimé transmis au premier transvecteur amplificateur d'air (3), le débit de ce dernier étant proportionnel au débit d'air projeté par ledit transvecteur (3) . 7 - Dispositif de projection de matériaux légers suivant l'une quelconque des revendication 2 à 6 caractérisé en ce qu'il comprend une seconde électrovanne (38) positionnée entre la troisième sortie (18) de l'élément de distribution d'air comprimé (13) et le réservoir (40) de matériaux légers et/ou des moyens de distribution (32) de la phase aqueuse, ladite seconde électrovanne (38) étant pilotée par les moyens de commande (24) .6 - A device for projecting light materials according to claim 5 characterized in that the solenoid valve (23) consists in .a proportional solenoid valve capable of varying the compressed air flow rate transmitted to the first air amplifier transvector (3), the flow rate of the latter being proportional to the air flow rate projected by said transvector (3). 7 - Device for projecting light materials according to any one of claims 2 to 6 characterized in that it comprises a second solenoid valve (38) positioned between the third outlet (18) of the compressed air distribution element ( 13) and the reservoir (40) of light materials and / or distribution means (32) of the aqueous phase, said second solenoid valve (38) being controlled by the control means (24).
8 - Dispositif de projection de matériaux légers suivant l'une quelconque des revendications 5 à 7 caractérisé en ce que les moyens de commande (24) sont connectés à un récepteur (25) apte à recevoir les informations d'un boîtier de commande (26) comportant au moins un potentiomètre (27) et un émetteur (28) . 9 - Dispositif de projection de matériaux légers suivant l'une quelconque des revendications précédentes caractérisé en ce que l'élément d'éjection tubulaire (7) consiste dans un tube tronconique dit extérieur (7a) comprenant à proximité de sa petite base solidarisée à l'extrémité avant du premier transvecteur (3) un second tube tronconique dit intérieur (7b) coaxial au premier tube extérieur (7a), s 'étendant à l'intérieur de ce dernier sur une longueur au moins inférieure à la moitié de la longueur du tube extérieur (7a) et solidarisé audit tube extérieur (7a) par des entretoises (43) , ledit tube extérieur (7a) comprenant sur sa périphérie, sur une longueur correspondant à la longueur du tube tronconique intérieur (7b) depuis sa petite base des trous (44) régulièrement espacés.8 - Device for projecting light materials according to any one of claims 5 to 7 characterized in that the control means (24) are connected to a receiver (25) capable of receiving information from a control unit (26 ) comprising at least one potentiometer (27) and one transmitter (28). 9 - Device for projecting light materials according to any one of the preceding claims, characterized in that the tubular ejection element (7) consists of a frustoconical tube said to be external (7a) comprising near its small base secured to the 'front end of the first transvector (3) a second frustoconical tube said interior (7b) coaxial with the first exterior tube (7a), extending inside the latter over a length at least less than half the length of the outer tube (7a) and secured to said outer tube (7a) by spacers (43), said outer tube (7a) comprising on its periphery, over a length corresponding to the length of the inner frustoconical tube (7b) from its small base of the holes (44) regularly spaced.
10 - Dispositif de projection de matériaux légers suivant la revendication 9 caractérisé en ce que les parois du tube tronconique intérieur (7b) s'étendent parallèlement aux parois du tube tronconique extérieur (7a) .10 - Device for projecting light materials according to claim 9 characterized in that the walls of the inner frustoconical tube (7b) extend parallel to the walls of the outer frustoconical tube (7a).
11 - Dispositif de projection de matériaux légers suivant l'une quelconque des revendications précédentes caractérisé en ce que le premier transvecteur amplificateur d'air (3) est positionné à l'intérieur d'un carter (1) globalement cylindrique comprenant un épaulement (2) annulaire et articulé entre deux branches (4a, 4b) d'un étrier (4) en forme générale de U dont la base (4c) est montée libre en rotation autour d'un axe (5) solidaire d'une embase (6) globalement cylindrique, l'axe de rotation (5) de l'etrier (4) par rapport à l'embase (6) étant de préférence coaxial à l'axe de symétrie de 1 'embase (6) .11 - Device for projecting light materials according to any one of the preceding claims, characterized in that the first air amplifier transvector (3) is positioned inside a casing (1) generally cylindrical comprising a shoulder (2 ) annular and articulated between two branches (4a, 4b) of a stirrup (4) in the general shape of U whose base (4c) is mounted free in rotation around an axis (5) integral with a base (6 ) generally cylindrical, the axis of rotation (5) of the stirrup (4) relative to the base (6) being preferably coaxial with the axis of symmetry of the base (6).
12 - Dispositif de projection de matériaux légers suivant la revendication 11 caractérisé en ce que l'élément de distribution de l'air comprimé (13) est positionné à l'intérieur de l'embase (6) de telle sorte que l'entrée (14) dudit élément de distribution (13) et la seconde sortie à obturation (17) fassent saillie de la paroi latérale de l'embase (6). 12 - A device for projecting light materials according to claim 11 characterized in that the compressed air distribution element (13) is positioned inside the base (6) so that the inlet ( 14) of said distribution element (13) and the second shutter outlet (17) protrude from the side wall of the base (6).
EP04715926A 2003-03-05 2004-03-01 Discharge device for light materials, such as confetti or similar, and/or emulsions, such as foam, snow or similar Expired - Lifetime EP1604166B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR0303273A FR2851996B1 (en) 2003-03-05 2003-03-05 DEVICE FOR PROJECTING LIGHT MATERIALS SUCH AS CONFETTIS OR THE LIKE AND / OR EMULSIONS SUCH AS FOAM, SNOW OR THE LIKE
FR0303273 2003-03-05
PCT/FR2004/000474 WO2004081484A1 (en) 2003-03-05 2004-03-01 Discharge device for light materials, such as confetti or similar, and/or emulsions, such as foam, snow or similar

Publications (2)

Publication Number Publication Date
EP1604166A1 true EP1604166A1 (en) 2005-12-14
EP1604166B1 EP1604166B1 (en) 2006-09-06

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Application Number Title Priority Date Filing Date
EP04715926A Expired - Lifetime EP1604166B1 (en) 2003-03-05 2004-03-01 Discharge device for light materials, such as confetti or similar, and/or emulsions, such as foam, snow or similar

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Country Link
EP (1) EP1604166B1 (en)
AT (1) ATE338933T1 (en)
DE (1) DE602004002286T2 (en)
FR (1) FR2851996B1 (en)
WO (1) WO2004081484A1 (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT201800009243A1 (en) * 2018-10-08 2020-04-08 Super Show Ind Srl DEVICE FOR SHOOTING CONFETTI, STREAMERS AND THE LIKE

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Publication number Priority date Publication date Assignee Title
EP1905495A1 (en) 2006-09-28 2008-04-02 Hui Xu Fog machine with a movable discharge
GB2503244A (en) * 2012-06-20 2013-12-25 Osman Gulum Confetti launcher
CN108261788A (en) * 2017-12-08 2018-07-10 方特欢乐世界（芜湖）经营管理有限公司 A kind of arenas performs rotary petal tossed device

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Publication number Priority date Publication date Assignee Title
US4046492A (en) 1976-01-21 1977-09-06 Vortec Corporation Air flow amplifier
US5015211A (en) * 1986-12-12 1991-05-14 Reveen Tyrone J Confetti cannon
US6149495A (en) * 1999-03-15 2000-11-21 Austin; Joseph James Confetti and theatrical snow delivery device
US6364737B1 (en) 2000-04-14 2002-04-02 Artistry In Motion, Inc. Lightweight material projection system

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Title
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT201800009243A1 (en) * 2018-10-08 2020-04-08 Super Show Ind Srl DEVICE FOR SHOOTING CONFETTI, STREAMERS AND THE LIKE
EP3636330A1 (en) 2018-10-08 2020-04-15 Super Show Industries S.r.l. Device for shooting confetti, streamers and the like

Also Published As

Publication number Publication date
WO2004081484A1 (en) 2004-09-23
DE602004002286D1 (en) 2006-10-19
FR2851996B1 (en) 2005-06-03
FR2851996A1 (en) 2004-09-10
DE602004002286T2 (en) 2007-04-05
EP1604166B1 (en) 2006-09-06
ATE338933T1 (en) 2006-09-15

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