EP2008700B1 - Dispositif pour utilisation scénographique pour la production de neige artificielle - Google Patents

Dispositif pour utilisation scénographique pour la production de neige artificielle Download PDF

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Publication number
EP2008700B1
EP2008700B1 EP08104484A EP08104484A EP2008700B1 EP 2008700 B1 EP2008700 B1 EP 2008700B1 EP 08104484 A EP08104484 A EP 08104484A EP 08104484 A EP08104484 A EP 08104484A EP 2008700 B1 EP2008700 B1 EP 2008700B1
Authority
EP
European Patent Office
Prior art keywords
tank
nozzle
foam
artificial snow
scenographic
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.)
Active
Application number
EP08104484A
Other languages
German (de)
English (en)
Other versions
EP2008700A1 (fr
Inventor
Ivano Petroselli
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.)
Frisa Di Amichetti & Petroselli SNC
Original Assignee
Frisa Di Amichetti & Petroselli SNC
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 Frisa Di Amichetti & Petroselli SNC filed Critical Frisa Di Amichetti & Petroselli SNC
Publication of EP2008700A1 publication Critical patent/EP2008700A1/fr
Application granted granted Critical
Publication of EP2008700B1 publication Critical patent/EP2008700B1/fr
Active legal-status Critical Current
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Classifications

    • 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

Definitions

  • the present patent application for industrial invention relates to a device for scenographic use able to produce artificial snow.
  • polystyrene fragments are collected in a recovery tank from which they are re-conveyed by means of forced ventilation through a suitable pipe into the aforementioned container for a new downward falling cycle.
  • the current technique is most of all impaired by the negative electrostatic magnetism phenomenon suffered by the aforementioned polystyrene fragments.
  • the small polystyrene fragments are extremely sensitive to the effects of air draughts that may easily cause their uncontrolled dispersion during the falling by gravity, thus preventing them from being collected into the recovery tank from which a new operation cycle is to be started.
  • Each of these machines is provided with a tank that contains soapy water, which dispenses a thin flow of soapy water by means of a suitable electromagnetic valve towards a fabric cap inserted onto a metal union; in brief, it can be said that the soapy water progressively impregnates the fibres of the fabric cap.
  • a centrifugal fan actuated by a brush motor is installed at the opposite end of the union, which is designed to generate a powerful blast of air that is directed onto the said fabric cap from the back to the front, passing through its fibres.
  • the source of the very high noise level is to be identified in the powerful fan unit that generates the blast of air used to "beat up” the foam.
  • US2,571,069 discloses an apparatus for forming and dispensing artificial snow flakes including a foam material tank, an air compressor, a pipe for supplying water under pressure and a series of conduits for connecting the water pipe, the air compressor and the tank.
  • the new device of the invention avoids the production of undesired spots of foam and most of all is able to operate very silently, thus being compatible with all types of sets.
  • the "ready" foam that comes out from the tank must be conveyed towards a dispenser pipe; however, it must be noted that such a function can be advantageously entrusted to a small noiseless induction motor, due to the extremely light weight of the foam.
  • figure 1 is a block diagram of the device of the invention.
  • the device of the invention comprises a tank (1) designed to be filled with soapy water, which is provided on the bottom with a microperforated nozzle (2) fed by the air produced by a membrane micropump (3) situated in external position on the tank (1).
  • the air dispensed by the nozzle (2) causes a sort of vorticous mixing of the soapy water, thus producing foam that tends to fill the entire volume of the tank (1).
  • the foam is progressively poured outside through a suitable nozzle (4) on the upper wall (1 a) of the nozzle (4).
  • the foam that progressively comes out of the nozzle (4) receives the blast of air generated by a centrifugal fan with very noiseless induction motor (5) installed on the back of the tank (1).
  • the foam that comes out of the tank (1) is very light and therefore can be conveyed by a weak air flow towards the area that is to receive the artificial snow.
  • the operation modes of the device of the invention ensure that the artificial snow is dry and therefore very light and vaporous.
  • Additional advantages of the device of the invention refer to its capability to vary the size of the snow flakes by simply adjusting the load of the air flow received by the foam when it comes out of the tank, as well as to the capability to adjust the intensity of the artificial snow falling by suitably adjusting the power of the micropump.
  • the device of the invention is also appreciated because of lower production costs compared to traditional foam machines, due to elimination of the fan unit with brush motor in external position on the tank, of the relevant electromagnetic valves, conduits and taps that are typical of the prior technique.
  • the new device of the invention is able to produce a higher quantity of artificial snow than foam machines with the same amount of soapy water, thus ensuring a higher operation autonomy.

Landscapes

  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Toys (AREA)

Claims (3)

  1. Dispositif à usage scénographique se rapportant à la production de neige artificielle, comprenant :
    - un réservoir pour de l'eau savonneuse (1) qui présente une embouchure de débit (4) réalisée en correspondance d'une de ses parois latérales ou de sa paroi supérieure, et
    un appareil (5) prévu à l'externe du dit réservoir (1), apte à générer un flux d'air
    caractérisé en ce qu'il comprend également
    - une buse microperforée (2), installée à l'intérieur du réservoir (1), apte à débiter de l'air sous pression produite par un générateur (3) préposé à cet effet, prévu à l'externe du dit réservoir (1), et
    dit dispositif (5) à l'extérieur du réservoir (1) est disposé de manière à générer un flux d'air incident avec l'axe longitudinal de la dite embouchure de débit (4).
  2. Dispositif selon la revendication 1, caractérisé en ce que le dit générateur externe (3) qui alimente la buse de débit (2) consiste en une micropompe à membrane.
  3. Dispositif selon la revendication 1, caractérisé en ce que le dit appareil (5) pour la production d'un flux d'air consiste en un ventilateur centrifuge doté de moteur à induction.
EP08104484A 2007-06-28 2008-06-19 Dispositif pour utilisation scénographique pour la production de neige artificielle Active EP2008700B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT000132A ITMC20070132A1 (it) 2007-06-28 2007-06-28 Dispositivo ad uso scenografico per la produzione di neve artificiale.

Publications (2)

Publication Number Publication Date
EP2008700A1 EP2008700A1 (fr) 2008-12-31
EP2008700B1 true EP2008700B1 (fr) 2010-03-10

Family

ID=39791113

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08104484A Active EP2008700B1 (fr) 2007-06-28 2008-06-19 Dispositif pour utilisation scénographique pour la production de neige artificielle

Country Status (5)

Country Link
EP (1) EP2008700B1 (fr)
AT (1) ATE460215T1 (fr)
DE (1) DE602008000776D1 (fr)
ES (1) ES2342031T3 (fr)
IT (1) ITMC20070132A1 (fr)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE488567C (de) * 1930-01-06 Nikolaus Sandor Dipl Ing Szenische Einrichtung zur Darstellung von Schneelandschaften
US2594725A (en) * 1948-01-06 1952-04-29 Herbert E Britt Method of producing artificial snow
US2571069A (en) 1948-03-12 1951-10-09 Russell M Shearman Artificial snow machine
US6868691B2 (en) * 2000-09-18 2005-03-22 Francisco Guerra Illusionary snow apparatus with reduced noise
US20030024956A1 (en) * 2001-08-02 2003-02-06 Gary Crawford Confetti, theatrical snow, and fog launching mechanism and system

Also Published As

Publication number Publication date
EP2008700A1 (fr) 2008-12-31
DE602008000776D1 (de) 2010-04-22
ITMC20070132A1 (it) 2008-12-29
ES2342031T3 (es) 2010-06-30
ATE460215T1 (de) 2010-03-15

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