|국가/구분||United States(US) Patent 등록|
|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 lower part and when the smoking chemicals have been burned up giving out a lot of smoke and the firecracker has flown up in the air for a short while with the shooting-up chemicals being burned, the smoke tube with its chemicals burned up can be blown off the sh...
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 tube below said chemical means, the smoke tube containing smoke-producing chemical means, a fuse for igniting the smoke-producing chemical means extending from one end of the smoke tube, a finned wing structure for the lower end of the shoot-up tube, and a lau...