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Title: US5739462: Method and apparatus for creating pyrotechnic effects
[ Derwent Title ]


Country: US United States of America

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19 pages

 
Inventor: Poor, Kyle W.; Clermont, FL
Sogge, John W.; Orlando, FL

Assignee: The Walt Disney Company, Burbank, CA
other patents from WALT DISNEY COMPANY (617665) (approx. 101)
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Published / Filed: 1998-04-14 / 1995-06-27

Application Number: US1995000495262

IPC Code: Advanced: F41B 11/02; F42B 4/00;
IPC-7: F42B 4/04; F42B 4/26;

ECLA Code: F41B11/57; F41B11/51; F42B4/00;

U.S. Class: Current: 102/342; 102/345; 102/351; 102/352; 102/357; 102/361; 102/440;
Original: 102/342; 102/395; 102/351; 102/352; 102/357; 102/361; 102/440;

Field of Search: 102/361,342,345,351,352,357,205,217,431,440 089/1.815,1.816

Priority Number:
1995-06-27  US1995000495262

Abstract:     A pyrotechnic device includes a launcher for launching and igniting a plurality of pyrotechnic stars for creating an aerial fireworks display. The launcher comprises a launching tube having an igniter that ignites the pyrotechnic stars as they are being expelled from the launching tube under the force of pressurized air. The igniter may comprise a section of the launching tube having a locally reduced diameter so that the pyrotechnic star frictionally engages it during launch, causing a striker composition on the interior of the launching tube to ignite a prime composition on the exterior surface of the pyrotechnic star. Alternatively, the igniter may comprise a flame within the launching tube to ignite the prime composition on the star. Various feeding mechanisms are provided to rapidly feed a large number of pyrotechnic stars for launching from the launching tube. The launcher utilizes pressurized air to launch the pyrotechnic stars and, thus, minimizes adverse environmental impact.

Attorney, Agent or Firm: Pretty, Schroeder & Poplawski ;

Primary / Asst. Examiners: Nelson, Peter A.;

INPADOC Legal Status: Show legal status actions

Family: None

First Claim:
Show all 26 claims
We claim:     1. A launcher for launching a plurality of fireworks projectiles for creating an aerial fireworks display, comprising:
  • (a) a loading chamber for receiving a fireworks projectile to be launched;
  • (b) a launching tube having a lower end registerable with the loading chamber and an open upper end for expelling the fireworks projectile, said launching tube registered with said loading chamber while said plurality of fireworks are sequentially expelled from said launching tube;
  • (c) an igniter between the lower end and the open upper end of the launching tube that ignites the fireworks projectile as it is being expelled from the launching tube; and
  • (d) a control apparatus for introducing a predetermined amount of a pressurized gas into the loading chamber to expel the fireworks projectile from the open upper end of the launching tube.


Background / Summary: Show background / summary

Drawing Descriptions: Show drawing descriptions

Description: Show description

Forward References: Show 20 U.S. patent(s) that reference this one

       
U.S. References: Go to Result Set: All U.S. references   |  Forward references (20)   |   Backward references (75)   |   Citation Link

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Get PDF - 5pp US4771695  1988-09 Simpson   Launching stand for fireworks
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Get PDF - 6pp US5157225  1992-10 Adams et al.  The United States of America as represented by the Secretary of the Navy Controlled fragmentation warhead
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Get PDF - 16pp US5282455  1994-02 Adamson et al.  The Walt Disney Company Launcher for launching multiple fireworks projectiles
Get PDF - 13pp US5295438  1994-03 Hill et al.  Plessey Tellumat South Africa Limited Single initiate command system and method for a multi-shot blast
Get PDF - 10pp US5323707  1994-06 Norton et al.  Hercules Incorporated Consumable low energy layered propellant casing
Get PDF - 26pp US5339741  1994-08 Craven et al.  The Walt Disney Company Precision fireworks display system having a decreased environmental impact
Get PDF - 11pp US5425310  1995-06 Weber  The United States of America as represented by the Secretary of the Army Red powder articles and compositions
Get PDF - 10pp US5429053  1995-07 Walker   Pyrotechnic fan rack
  * some details unavailable
       
Foreign References:
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PDF
Publication Date IPC Code Assignee   Title
Buy PDF FR2659429 1991-09  F41B 11/00 AEROSPATIALE System and installation for the pneumatic ejection of a body with delayed triggering of devices contained in the said bodies 
Buy PDF - 10pp DE2424900 1974-12  F42B 5/188 A/S Raufoss Ammunisjonsfabrikker, Raufoss, NO Brennbare Huelsen und Verfahren zu deren Herstellung 
Buy PDF - 6pp DE3812644 1988-03  F42B 5/00 Societe Nationale des Poudres et Explosifs, Paris, FR Brennbare Gegenstaende in Blindhuelsenform 
  JP56049900 1981-05       
  JP02195198 1990-08       
Buy PDF GB1410798 1975-10  F41A 9/00 FRANCE MINISTER OF NATIONAL DEFENCE MORTARS 
Buy PDF- 6pp GB2195420 1988-04  F42C 11/00 * ROYAL ORDNANCE PLC DETONATION FUZES 


Other Abstract Info: DERABS C98-250537 DERC98-250537

Other References:
  • Drawing re "Oriental Shell `Warimono` Class* Single-Break" giving detailed description thereof, one page.
  • Drawing describing in depth "Canister Shell Repeating Color/Effect," one page.
  • Drawing describing in depth "Roman' Candle"; Gerbe' (Fountain)'; and Mine Bag, one page.
  • Cover page of Scientific American magazine, No. C.2, one page showing Fireworks, Article entitled.
  • "Pyrotechnics" by John A. Conkling, Scientific American magazine Jul. 1990, pp. 96-102. (7 pages) Cited by 5 patents
  • "Design of Automatic Machinery," copyright 1985 (attached) one page.


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