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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
---|---|
국제특허분류(IPC7판) |
|
출원번호 | US-0118984 (1987-11-10) |
발명자 / 주소 |
|
인용정보 | 피인용 횟수 : 5 인용 특허 : 3 |
This invention concerns a rocket firecracker giving out smoke before flying up. It comprises a shooting-up tube, a smoke tube, a fuse, a flying wing, and a launch pad. The shooting-up tube not only contains shooting-up chemicals but also the smoke tube filled with smoking chemicals set inside its lo
A firecracker for simulating the launching and flight of a multi-stage rocket, the firecracker comprising an outer shoot-up tube having and upper closed nose end and an open lower end, ignitable propulsion chemical means in the nose end of the shoot-up tube, a smoke tube for receipt in the shoot-up
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