发明名称 Method and apparatus for smokeless pyrotechnic display
摘要 A pyrotechnic display device configured to ignite solid pyrotechnic compositions or aerial shells within a launch tube prior to propelling them on a desired arc. A smokeless pyrotechnic propelling charge is disposed within the launch tube below the solid pyrotechnic compositions, and separated therefrom. An ignition source is disposed in operative relationship to the pyrotechnic compositions or aerial shells, which are ignited prior to ignition of the smokeless pyrotechnic propelling charge.
申请公布号 US7104199(B2) 申请公布日期 2006.09.12
申请号 US20040782026 申请日期 2004.02.19
申请人 WALKER RONALD R;NICKEL RUSSELL R 发明人 WALKER RONALD R.;NICKEL RUSSELL R.
分类号 F42B4/22;F41F1/06;F42B4/00;F42B4/26 主分类号 F42B4/22
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