| 摘要 |
<p>The present invention refers to a fragmentable aerodynamic device comprising a body which comprises a series of gas-generating units (1, 2 and 3), each one of which has a cylindrical casing comprising a pan (4) and a closing lid (5), where there is a combustible mix (6), being the different casings axially coupled between one another, having one of the end units (3) an ignition fuse (8), where each one of the casings has an internal coaxial core (19) which is located between the bases of the casing and has an axial drill going through said bases, except for the external base of the end unit (1) which does not have the fuse (8), whose drill is designated for having a fire-transmitting mix (20); and characterized in that said casings have on their wall mutual coupling and fixing -means, which can be released by the pressure of the gases generated by the combustion of the transmission mix and the combustible mix contained in each casing.
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