Abstract: A device to separate propellant charge modules for field weapons, each module incorporating a top and bottom, the top of one of said modules being engaged in the bottom of an adjacent module, wherein said device incorporates reception means for all said modules incorporating means to immobilize each of said modules, said immobilizing means being linked by linking and separation means enabling a relative translation to be controlled for each of said modules with respect to its neighbours, thereby ensuring the separation of said modules.

Abstract: A device to reduce the visible and infrared signature of a military combat vehicle by diluting the engine's exhaust and cooling gases. The device includes a caisson receiving both sources of heat flow to ensure a single outlet for both the exhaust gases and the cooling air. The caisson is constituted by an enclosure and a shutter. The enclosure ensures a homogeneous mixture of the two fluids and the shuttering provides a way by which the mixture is evacuated. The air outlet of the dilution device may be positioned between the axles of a wheeled-type vehicle.

Abstract: An elevation and traverse laying system for a weapon comprising a first traverse positioning element to position the weapon in traverse along a large angular range with respect to a first axis of rotation in traverse, having a first positioning element in elevation for the weapon along a large range with respect to the first axis of rotation in elevation offset with respect to the weapon's center of gravity, a second positioning element in elevation for the weapon along a small range with respect to a second axis of rotation in elevation, and a second traverse positioning element with respect to a second axis of rotation in traverse allowing a small lateral range for the weapon, the second axis of rotation in elevation and the second axis of rotation in traverse substantially passing through the weapon's center of gravity.

Abstract: A process for increasing the data encoding capacity of the PDF 417 bar code. After the data is compressed, the data is read by the data acquisition hardware which is linked to the scanning hardware connected to an information system. The data is distributed, using specific algorithms, into a series of symbols that are dynamically linked to carry out a second compression, an element is introduced to control the integrity of the information, and the formatting and reading of the data is controlled directly by the information system.

Abstract: The invention relates to an elevation laying system for a weapon mounted on a vehicle. It comprises first positioning means for the weapon along a wide elevation range with respect to a first axis of rotation offset with respect to the center of gravity of the weapon, and second positioning means for the weapon connected to the first means along a narrow elevation range with respect to a second axis of rotation passing through the center of gravity of the weapon. The first axis of rotation is located to the rear of the weapon's center of gravity. The first positioning means are hinged with respect to a frame onto which the weapon is mounted around the first axis of rotation.

Abstract: The invention relates to a process to correct the trajectory of a spin-stabilised projectile, process in which at least one correction is made to the axial position of the projectile's centre of aerodynamic thrust, such process wherein the correction of the axial position of the centre of thrust is obtained by modifying at least once the length of the projectile in flight, such modification being triggered by control means.

Abstract: An explosive shell comprising a fusible explosive load placed in a casing incorporating an opening, such shell comprising shimming means placed in the vicinity of the shell opening, such shimming means comprising a ring made of an elastic material placed between a front part of the shell casing and the explosive load, such ring being compressed by compression means, shell wherein the shimming ring incorporates a flange housed in a groove made in the casing of the shell.

Abstract: A deployment and orientation device for projectile control surfaces, the deployment being carried out by means of springs between a loading position in which the control surfaces are folded inside the projectile and held against the action of the spring means using blocking means, and a deployed position in which the control surfaces may be oriented with respect to the projectile, device wherein it incorporates motors ensuring firstly the deployment of the control surfaces and secondly their orientation, the blocking means for the control surfaces being single means ensuring the immobilization of all the control surface and enabling them to be released simultaneously, the blocking means being immobilized by first locking means released by the pivoting of the bodies of the motors.

Abstract: The invention relates to a position control device for a hydraulic actuator, such device comprising a hydraulic circuit comprising a pump supplying the two chambers of the actuator from a hydraulic tank or reserve by means of a servovalve, each outlet of the servovalve being connected to a chamber of the actuator by means of a non return valve. This such device is characterized in that at least one of the outlets of the servovalve connected a chamber of the actuator is also connected to the hydraulic tank by a calibrated nozzle upstream of the non return valve. The invention also relates to an interface plate for a servovalve allowing such a device to be implemented. The invention can namely be applied to the open loop and/or closed loop servo control of the laying of a gun barrel.

Abstract: A roof protection device for an armored combat or security vehicle including a support and at least one protection means for protecting a vehicle including a reception structure for receiving the protection means, the structure being rotatably mounted on the support, the support for being integral with a vehicle roof and for being switched from an active protection position to a passive position.

Abstract: A process to detect the entry of a target into a zone, such process wherein it has the following stages: an illuminating beam is projected in the direction of the target by at least one source, the beam reflected on the target after its projection by one or more sources is received by at least two detectors placed in proximity to the zone and whose fields of detection incorporate a common part, each detector being synchronized to at least one of the sources, each travel distance separating the source and each detector via the target is computed or else only one of these distances is computed and then associated with a target presence criterion supplied by another detector, a target detection signal is delivered when the distance or distances thus computed, as well as qany presence criterion or criteria supplied, allow a point located geometrically in the zone under surveillance to be defined.

Abstract: A device to provide an electrical connection between a power generator integral with a weapon and a first contact area integral with a piece of ammunition, said device comprising a conductive rod carried by a breech of the weapon and able to translate with respect to said breech in order to come into contact with said first contact area of said ammunition, said rod incorporating a pointed end ensuring the deformation of said area wherein said rod has a rack onto which meshes a pinion integral with said breech, said pinion being driven in rotation by drive means actuated when said breech is closed.

Abstract: The invention relates to a perforating ammunition comprising a penetration body delimiting an internal cavity closed by a base, said ammunition is characterized in that the penetration body incorporates a front nose comprising at least one insert integral with the nose, insert made of a material denser than that of the body and arranged in a housing opening to the outside of the body.

Abstract: The invention relates to a device providing an electrical connection between the recoiling mass of a weapon and a fixed cradle. This device is characterized in that it incorporates at least one connector formed of a plug and socket, one of which is integral with the cradle and the other with the recoiling mass, the elements being disconnected during the recoil of the recoiling mass.

Abstract: A traverse laying system for a weapon integral with a frame articulated in traverse with respect to a support providing a large traverse range around a first axis of rotation. The system includes positioning device for the weapon integral with the frame in order to ensure a small lateral range of the weapon around a second axis of rotation passing through the centre of gravity and perpendicular respectively to the longitudinal axis of the weapon and the traverse orientation axis. The first axis of rotation is located to the rear of the weapon's centre of gravity and the lateral range around the second axis may be of around 2°.

Abstract: A method of projectile control provides a control order for an organ allowing the yaw piloting of a spinning projectile. The control order causes a modification of a yaw piloting parameter of the projectile, the parameter that needs to be controlled being fin deflection. The angular rate of roll of the projectile is measured. At least one corrective coupling term is introduced into the evaluation of the control order modifying the yaw piloting parameter. The corrective coupling term is proportional to the angular rate of roll and also to the drift over time of the pitch piloting parameter to provide projectile piloting orders control fin motors.

Abstract: A deployment device for a fin of a projectile incorporating a hinge fixed to the projectile body which allows said fin to make a pivoting movement along at least one axis, wherein said hinge comprises a support for said fin mounted able to tilt over with respect to an axis substantially perpendicular to the projectile axis, said fin being linked to said support by a rod whose axis is substantially parallel to said projectile axis when said fin is in the folded position and substantially perpendicular to said projectile axis when said fin is in the deployed position, said rod itself being able to pivot with respect to said fin support when such said support tilts over, this pivoting of said rod being controlled by driving means.

Abstract: A storage magazine for propellant charge modules for artillery cannons including a set of walls delimiting compartments in which the modules are arranged in superimposed rows, such modules for removal by a pick up system, at least one mobile support for receiving a row of modules, such support in a first extraction position for filling the row and in a second storage position for removing the modules by a pick up system.

Abstract: The object of the invention is an explosive ammunition (1) having a fragmenting structure comprising an explosive charge (3) configured in a splinter-generating shell (2). This ammunition is characterized by comprising a case (7) enclosing the shell (2) and containing means implementing a mechanical stress differential during ammunition ignition at the outer surface of the shell (2), where this differential enhances splinter generation and is distributed over a regular, 3D grid.

Abstract: The present invention relates to priming device for the explosive charge of a sub-munition scattered by a carrier, of the type incorporating a firing pin onto which a deployable drag ribbon has been attached, a primer able to be driven by a motor organ and a detonating primer to ignite the explosive charge. This device also comprises self-destruction means for the sub-munition operating after a predetermined delay, such means being activated by the extraction of a self-destruction lock. It is characterized in that the self-destruction lock is integral with the drag ribbon and is therefore extracted by the ribbon during its deployment.