A kind of gunpowder block of graphic firework dot-matrix projectile and its manufacturing method

A technology of projectiles and propellants, applied in the directions of fireworks, offensive equipment, weapon types, etc., can solve the problems of large size, high cost, high cost, etc., and achieve the effect of simple production process, guaranteeing safety, and low production cost.
CN109489497BActive Publication Date: 2021-08-17SUZHOU TIANWEIMU FIREWORKS TECH CO LTD
12 Cites 0 Cited by

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
SUZHOU TIANWEIMU FIREWORKS TECH CO LTD
Publication Date
2021-08-17

Smart Images

  • Figure 1
    Figure 1
  • Figure 2
    Figure 2
  • Figure 3
    Figure 3
Patent Text Reader

Abstract

The invention discloses a gunpowder block of a graphic firework dot matrix projectile and a method for making the same. A sealing layer is provided above the pyrotechnic display charge, and a sealing layer is provided below the pyrotechnic propellant charge, and the sealing layer and the sealing layer are connected to the casing; the method for making the propellant block includes: Step 1: Paste a layer of sealing layer on the bottom of the body; step 2: place the shell pasted with the sealing layer in a jig for positioning; step 3: pour an appropriate amount of fireworks propellant into the shell. The firework powder block with pictures and texts provided by the present invention can be produced by a special jig, which not only meets the needs of mechanized integrated production, but also has high production efficiency, low production cost, and simple manufacturing process, which is conducive to standardized design and reduces the cost of fireworks with pictures and texts. cost so that it can be used by the general public.
Need to check novelty before this filing date? Find Prior Art

Description

technical field

[0001] The invention relates to the field of fireworks, in particular to a gunpowder block of a graphic firework dot matrix emitter and a method for making the same. Background technique

[0002] Fireworks are products that can form colors, patterns, and produce sound effects when they are set off, and are mainly visual effects. At first, fireworks were a pastime exclusively for the rich and the rich. In the Ming and Qing Dynasties, the technology of fireworks production had new developments, and gradually became festival gifts. Every Spring Festival, Lantern Festival and other major events, fireworks are set off to add to the fun.

[0003] There are many types of fireworks in our country, and the designs and colors are quite mixed. Among them, the chrysanthemum type is the most popular flower type. After the fireworks are shot into the sky, first the colorful light agents burn, and then the parachutes that open and fall one by one. The fireworks overlap, ...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More