Improvements in hand grenades controlled fragmentation.; Controlled fragmentation grenades inside contain pellets or beads that explode the Granada, disperse, serving as a safety factor for the grenadiers themselves, who know the full extent of these balls.; But all grenades controlled fragmentation incorporate an artifice fire called fuze, whose mass and its components can not be controlled, reaching, with the explosion, much higher than those for the spherules distances, which can be lethal not only for the pitcher and his comrades but even for opposing forces. The intended control statement is not met.; The improvements consist basically be totally eliminated those fuzes, applying a simple device which releases fire grenades, before explosion, of any body or fragment whose mass and / or volume is equal to or higher than the bolitas- kind.
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