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)
• Projection Apparatus (AREA)
• Overhead Projectors And Projection Screens (AREA)
• Toys (AREA)
• Manufacturing Of Micro-Capsules (AREA)

Applications Claiming Priority (3)

Publications (2)

Family

ID=32865376

Family Applications (1)

Country Status (5)

Cited By (1)

Families Citing this family (3)

Family Cites Families (4)

• 2003
  • 2003-03-05 FR FR0303273A patent/FR2851996B1/fr not_active Expired - Fee Related
• 2004
  • 2004-03-01 AT AT04715926T patent/ATE338933T1/de not_active IP Right Cessation
  • 2004-03-01 DE DE602004002286T patent/DE602004002286T2/de not_active Expired - Fee Related
  • 2004-03-01 WO PCT/FR2004/000474 patent/WO2004081484A1/fr not_active Ceased
  • 2004-03-01 EP EP04715926A patent/EP1604166B1/de not_active Expired - Lifetime

Non-Patent Citations (1)

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