Pyropneumatic cutting pliers



PYROPNEUMATIC CUTTING PLIERS for quick cutting of armature, locks, chains etc., that will help gain access for anti-terrorist groups to the desired objects. These cutting pliers will help release hostages from cuffings and other disabling means.

The cutting pliers can also be used by rescue service.

The energy source for the pliers is a charge of gunpowder (3) in a standard package (eg, a rifle bullet shell)

The pyropneumatic cutting pliers can be single-shot (fig.1-2) with recharge time of approx. 1 min, and autorecharging with 1 second intervals.

Fig.1 shows a technial sketch of the pyromneumatic cutting pliers. (1) - trigger, with the ability to be remotely controlled; (2) gunpowder charge; (3) piston, (4) - carry grip; (5) air exhaust, (6) moving knife; (7) target armature being cut; (8) fixed knife; (9) gas throttle to ensure the pliers' return to the initial position.

Fig.2 shows a technical sketch of pyropneumatic pliers with inert mass (9). The difference of this type of cutting pliers from the one described above is in the following: the energy of gunpowder gas is transformed into kinetic energy of inert mass (9) which impacts moving knife (9) and chops, not cuts, the armature. This will enable more efficient cutting of some highly durable materials like hardened steel.

The triggering mechanism of the cutting pliers can be launched either individually or simultaneously with others. For instance, when an operation begins with fast liquidation of a lattice, a set of pliers is applied on the target lattice twigs, and launched simultaneously. This will allow the anti-terrorist group to save several precious seconds or even minutes since the terrorists spot them, and until the final combat.

Fig.3 shows pliers with semi-automatic recharge: (11) - grip with trigger, (12) -- recharging mechanism, (13) - easy removable mechanism that holds gunpowder charges, (14) - pneumocylinder, (15) grip of recharging mechanism, (16) piston-to-knife pusher, (17) moving knife, (18) - fixed knife.

Fig.4 shows pneumatic scissors for rescue service. These scissors can be used for fast cutting of a crashed car to evacuate its passengers. (19)- moving blade, (20)- fixed blade. The angle of the blades with respect to the driving mechanism can be adjusted according to the needs of a customer.

Fig.5 shows a pyropneumatic wedge. The wedge can be used by rescue service and by special police subdivisions to break open doors and manholes.






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