Funda safety fuses of firecrackers. (Machine-translation by Google Translate, not legally binding)

摘要

Security case for firecracker wicks, the firecracker being a main body (1) with an end attached to a wick (2) whose ignition determines the explosion of said body; characterized in that it consists of means (3) of complete concealment of said wick (2), in order to make it impossible to accidentally ignite it as long as said means are not removed. (Machine-translation by Google Translate, not legally binding)