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Dynamic:
the Abstract of the Patent
Modular wall for protection from attacks with bombs or blasting bullets
that goes beyond the concept of a wall as an inert, compact and solid
artifact,
that contrasts forces and pressures caused by external explosions
with a structure that leaves any individual element inside it free to move
and that contrasts the explosions of bullets that succeed in entering its
structure with the insertion in the wall of
transversal hollow gun-barrel-bores shaped holes
that carry the gases under pressure toward the outer edges of the wall, where an external container acts as a gun muzzle brake,
diverting the gases and any bullets outward
and using part of the pressure to compact the wall.
Gun barrels and muzzle brakes
Dynamic counteracts the explosive forces
with an anti-recoil technique used in firearms,
adapting it to the reuse of blast gas to keep the internal wall compact.
It reverses the force of the pressure
originally aimed to the disintegration of the artefact,
to keep its strength and compactness.
Gun barrels for dummies
The barrel of the gun is a tube with an unobstructed exit.
If you insert an explosive charge, all the pressure will be directed along the direction of the barrel and will serve to push any projectile placed in the barrel in the direction free from obstacles.
Increasing the pressure will give you more thrust, increasing the power of the projectile.
Without a free way towards the exit, the same charge would devastate that gun, as it does with any other tool, in any other situation.
Muzzle brakes, and compensators
The muzzle brake, present in howitzers such as in small arms, acts in such a way as to mitigate the recoil, that is the retrograde movement of the weapon;
like the compensator, it is a solid body, equipped with one or more pairs of side vents, assembled at the muzzle of the fire barrel;
Muzzle brakes
they convey the firing gases in the opposite direction of the recoil of the weapon, contrasting it with the jet effect;
even the impact that the firing gases have against the front wall of the holes or vents before being deflected outwards provides an important forward thrust to the body of the weapon, which counteracts the recoil; particularly important is the thrust received in the instant in which the outgoing bullet passes the vent holes over, freeing them, but still blocking the final section of the muzzle.
