MISSILE Russian patent published in 2017 - IPC F42B12/44 

FIELD: arms materiel and ammunition supplies.

SUBSTANCE: missile comprises a lead unit and a solid rocket motor. This motor comprises a body, a bottom, a solid-propellant charge with collars and a stabilisator unit with slantingdicularly supplied aerodynamic blades. The missile is different in that the collar outside surface in the bottom area is designed as the conoidal frustum. On the bottom inside surface in the conoidal area of the collar there is a annular tapered groove stem with the taper angle equal to 0.8…1.2 of the taper angle of this collar conoidal area. The distance between this collar conoidal area and the annular tapered groove stem is equal to (0.003…0.01) D. The lengths of the collar conoidal area and annular tapered groove stem of the bottom are no less then 0.1D, where D is a missile gauge.

EFFECT: the device work reliability increase.

1 dwg