Firework set-off base structure
A firework set-off base structure comprises a plurality of tubes connected with one another; each tube comprises an open end and a closed end; the closed end of each tube is internally provided with a conical cavity tapered. The conical cavity in each tube is in the conical structure, allowing fille...
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| Format: | Patent |
| Sprache: | eng |
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| Zusammenfassung: | A firework set-off base structure comprises a plurality of tubes connected with one another; each tube comprises an open end and a closed end; the closed end of each tube is internally provided with a conical cavity tapered. The conical cavity in each tube is in the conical structure, allowing filled explosive to be gathered and be set off through a lead; thus, set-off power is increased for fireworks. |
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