Directional display shell
The utility model discloses a directional display shell which comprises a main display shell body. The main display shell body comprises a paper housing, a timing delay lead, a blasting explosive, effect bright beads and propellant powder and further comprises at least a device blasting explosive an...
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Hauptverfasser: | , , |
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Format: | Patent |
Sprache: | chi ; eng |
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Online-Zugang: | Volltext bestellen |
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Zusammenfassung: | The utility model discloses a directional display shell which comprises a main display shell body. The main display shell body comprises a paper housing, a timing delay lead, a blasting explosive, effect bright beads and propellant powder and further comprises at least a device blasting explosive and a positioning display shell body of the timing delay lead, and the density of the positioning display shell body is larger than that of the main display shell body; the positioning display shell body is fixedly connected to the main display shell body through at least two pull lines; the main display shell body and the positioning display shell body are stacked vertically, and the two display shell bodies are fixed together through a flammable restraint layer. When the display shell is fired into the air, the postures of the display shell bodies are made to conform to an expectation result, no deflection occurs, and therefore a prefabricated pattern can be reliably displayed to audiences. |
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