Continuous fuse structure for combination fireworks
A combination fireworks device including at least one fire transmission unit including a plurality of single tubes placed in successive arrangement, wherein each of the plurality of single tubes includes a fire hole located on the tube side wall, and a single, continuous fuse connecting the plurality of single tubes to each other in series, wherein a portion of the fuse extends into the fire hole of each of the plurality of single tubes and the portion of the fuse includes a length of the fuse folded back onto itself in each fire hole.
F F
F42B F42B
inventional inventional
Xinghua
Li