Patent ID: 8322285
Filing Date: 2012-12-04
Classification: F42B

Abstract:
1. A combined firework comprising: a body in which a plurality of tubular holes whose central longitudinal axes are parallel to each other are uniformly distributed, the tubular holes having openings upward and bottom ends closed, the closed end of the bottom of each tubular hole being provided with two small through holes penetrating through the bottom of the body; an inward fuse and an outward fuse provided for each of the two small through holes, the inward fuse of each tubular hole respectively being connected with the outward fuse of another adjacent tubular hole in sequence to form a series connection, except the inward fuse of the tubular hole at the head of the series connection and the outward fuse of the tubular hole at the end of the series connection, the inward fuse of the tubular hole at the head of the series connection extending out of the bottom of the body as an ignition fuse; the body, the tubular holes and the small through holes thereof being an integrally molded structure; and propellant powder being provided on the bottom in each tubular hole and connecting the outward fuse with the inward fuse, an inner cylinder or effect powder being provided on the propellant powder.