Bofors Ab

Ferrox Ab

Lennart Eriksson

Lars Paulsson

Borje Ericksson

In accordance with the method and the device according to the invention, previous pure pyrotechnic primers for initiating the ignition charges () of the oxygen lance igniters () are replaced by a small quantity of powdered zirconium (). Zirconium is pyrophoric and therefore ignites, providing it has a sufficiently large surface area, in the presence of a sufficient quantity of pure oxygen, although in ordinary air it is no more flammable than ordinary wood.

Igniter for oxygen lance for thermal cutting, drilling etc.

A method of separating a sub-combat unit from a protective canister. The method comprises the steps of discharging the sub-combat unit from the protective canister by causing a displacement of a driving sabot within the protective canister. The driving sabot is displaced by an elevated gas pressure generated by the combustion of a gas-generating pyrotechnical charge. The displacement of the sabot imparts a trajectory to the sub-combat unit. The displaceable driving sabot is prevented, by arrest means interconnected between the driving sabot and the canister, from accompanying the sub-combat unit in its new trajectory. A division of the protective canister into a plurality of parts is caused. The division ensures a change in at least one of the trajectory and the velocity of the parts of the canister.

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Karlskoga, Sweden

Lennart Eriksson