CONSTRUCTIVE APPLICATION IN TUBE FOR FIREPLACE FIREPLACES

摘要

constructive arrangement applied to a tube for rocket-type fireworks. The present utility model addresses an unprecedented constructional arrangement applied to a rocket-type firework tube made of a single-piece polyethylene through the mold injection process, a cylindrical main body (2) with an upper nozzle (3), holes (4), an intermediate flat base (5) and lower cable (6), which is smaller in diameter and shorter in relation to the cylindrical body (2); the holes (4) internally have a structural reinforcement (7) formed on the intermediate flat base (5) of semi-cylindrical shape and on the outside have lower channels (8) facing the cable side (6), presenting numerous advantages over state-of-the-art paper tubes, providing faster fabrication, greater mechanical strength, greater safety and impermeability, protecting explosive material from moisture, and providing much more efficient recycling than paper tubes.