| 摘要 |
PROBLEM TO BE SOLVED: To provide discoloring sparkling fireworks capable of allowing a person to continuously enjoy two kinds of flames, that is, colored flames and sparkling firework by additionally providing conventional sparkling fireworks having only one phenomenon, with a function for emitting the colored flame, and to provide various kinds of sparkling fireworks, that is, that emitting light comparatively at an early time after the emission of the colored flame, and that emitting light comparatively late after the emission of the colored flame. SOLUTION: This sparkling firework has layers of three powders, that is, sparkler powder 4, inflammation powder 5 and color powder 6. And an ignition period of the powder is adjusted by wrapping the sparkler powder 4 and the color powder 6 with thin paper 7, or not wrapping them. COPYRIGHT: (C)2005,JPO&NCIPI
|
