| 摘要 |
Based on pyrotechnic launch tubes ( 1 ) with a cylindrical body which houses in their interior both the pyrotechnic objects or materials ( 3 ) and the lifting powder ( 5 ), the system consists in providing each cylinder ( 1 ), on its lower base, with a series of tabs ( 6 ), determining a radially deformable neck, wherein said tabs ( 6 ) are finished in barbs ( 7 ) for engagement by pressure in a securing piece ( 11-11 '), fastenable to the frame of the tubes or incorporated by way of a single piece in the actual frame, provided with an external and rigid neck with a gradation ( 14 ) for the engagement of the barbs ( 7 ) and provided with an axial and cylindrical core ( 10 ) which, perforating the bottom of the cylinder ( 1 ), is of a size to house in its interior the igniter ( 12 ) with its corresponding cable ( 13 ), which is thereby perfectly protected from possible environmental humidity.
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