Title: Delaying ignition charge for fireworks
Application Number: 89105672 Application Date: 1989.02.27
Publication Number: 1045088 Publication Date: 1990.09.05
Approval Pub. Date: Granted Pub. Date:
International Classifi-cation: C06C5/04,C06C15/00
Applicant(s) Name: Fan Ronghua Address:
Inventor(s) Name:
Attorney & Agent: LIU ZEQIU
Abstract:
     This delayed ignitor for fireworks belongs to black powder and is specially suitalbe for delaying ignition and intermittent fire of fireworks. It is made up by individually drying and grinding the two raw materials: potassium nitrate and coal, and then mixing them in a ball-crusher. The invention is featured by less smoke, no influence during enjoying firework, no burst phenomenon, good safety and low cost.
Time: 6