Cover paper and commercial fire work cylinder for commercial fire work

摘要

Topic Being cheaply production possible with simple structure, it is to offer the cover paper for commercial fire work of the launch commercial fire work which lightens the labor of tidying up after the commercial fire work launch ending.SolutionsIn the orbicular cardboard the resin film canning 3 which has the diameter which is recorded before the opening 4of a commercial fire work cylinder 4 and one side, length of 1 arms diameter of the cardboard compared to has with the thin paper 2 in square of 2 times, after the cover paper 1 for commercial fire work which on the median of the surface which the resin film of thin paper 2 is not canning sticks cardboard 3 with the adhesive is, commercial fire work ball installs 6 and explosives sack 5 inside commercial fire work cylinder 4, fuse 7 from explosives sack 5 extending to outside commercial fire work cylinder 4, the surface which has the cardboard 3 of cover paper 1 for commercial fire workPlacing in the opening 4of a commercial fire work cylinder 4 to under, you see from the major diameter of opening and 4a you shut the part which has come out to commercial fire work cylinder, 4 by the fact that rim of the part and the commercial fire work cylinder 4 which shut the cover paper 1 for commercial fire work is inserted with rubber band 8 you lock the cover paper 1 for commercial fire work in commercial fire work cylinder 4. Choice figure Drawing 2