Abstract: The invention relates to a safety and arming device for projectiles and using micro-electromagnetic technology, such device incorporating a slider made mobile by the effect of the centrifugal acceleration with respect to the body of the device and immobilized in a safety position by at least one inertial lock, such lock incorporating at least one means to ensure its blocking in the unlocked position, wherein the inertial lock incorporates a counterweight having at least one straight groove whose longitudinal axis is parallel to the direction of movement of the lock, groove in which a fixed guiding pin integral with the safety and arming device is positioned, since the groove is of sufficient length to allow the displacement of the counterweight with respect to the pin, the slider in its safety position being made integral with the body of the safety and arming device by means of hooking means integral with the counterweight.

Abstract: A priming device for a projectile incorporating a safety and arming device as well as an electrically initiated detonator that is activated by an electronic firing module, wherein the priming device incorporates a second detonator integral with a rotor or flap of the safety and arming device, the second detonator being activated by a mobile firing pin, such firing pin being arranged opposite a first detonator so as to be projected by the gases resulting from the ignition of the latter.

Abstract: An ammunition comprising a projectile attached to a combustible skirt and enclosed by a base, a linking dome being provided between the skirt and the base, wherein the linking dome includes a first outer wall contacting with the skirt and a second outer wall extending from the first one and contacting with the base, and wherein the dome comprises a unit to ensure its joining with the skirt, the unit being able to be bent back by the base onto an outer wall of the combustible skirt when the base is disposed over the linking dome.

Abstract: The subject of the invention is a hot gas generator (8), particularly for a dehydration or drying unit, the generator comprising a burner or hearth (9) and being characterized in that it comprises at least one exchange circuit (10) comprising at least one pipe through which the gas to be heated flows, the pipe comprising a cool gas inlet end (11) and a hot gas discharge outlet (12), the pipe having a surface for heat exchange between the combustion gases generated by the burner or hearth (9) and the gas to be heated which flows through the pipe, the pipe also providing a physical barrier between the heated gases and the combustion gases generated by the burner or hearth. Application to producing a drying or dehydration installation.

Abstract: The invention relates to a process to control the initiation of an attack module, such as a projectile or sub-projectile, such attack module having at least one pre-determined direction of action. Before firing or on trajectory, the coordinates of at least one target are programmed into a fixed terrestrial reference, the orientation of the direction(s) of action in the fixed terrestrial reference is determined at least once on trajectory, and the initiation of the attack module is only authorized if the direction of action is oriented in the direction of the target. The invention also relates to the device implementing such a process.

Abstract: A simultaneous deployment device for the control surfaces of a projectile for which each control surface is intended to be pivoted by a motor after its deployment to ensure the piloting, each control surface being held within the projectile and deployed towards the exterior of the projectile by the expansion of elastic means, each control surface being deployed by a rotation with respect to a control surface support and following a deployment axis that is crosswise to that of the projectile, wherein the elastic means are common means to ensure the deployment of all the control surfaces, the expansion of the elastic means generating a push stress directed along the axis of the projectile and being exerted on a push plate which transmits the push stress to as many slides as there are control surfaces to be deployed, each slide cooperating without slipping with a matching profile integral with a base of the control surface to make this pivot with respect to its support and first releasable locking means that mai

Abstract: The invention relates to a launching device for a sub-caliber artillery projectile employing a base with sliding band, the base being linked to sabot sectors by means of hinges that can be detached during flight, the opening of the sabot being activated thanks to the dynamic air pressure on the flared shapes to the fore of the sectors, said hinge is flanged radially so as to prevent its becoming separated from the sabot sectors 5 outside of the flight phase.

Abstract: The invention relates to a remote control device from an attack module flying over a target, module of the projectile or sub-projectile, missile or attack drone type, for a target designator positioned on a terrain of operations, comprising means to emit a remote control signal that are arranged in the attack module and at least one receiver means for the remote control signal that are integral with the designator and are associated with means to activate the start-up of the designator, wherein the emitter means incorporate at least one light source oriented so as to illuminate the terrain and in that the receiver means incorporate a detector for the radiation emitted by the light source or sources.

Abstract: An armoring element for a structure, such as a vehicle, and comprising a case integral with said structure and enclosing at least two passive or reactive armoring modules, separated by a layer of shock-absorbing material, said case containing two fixed lateral walls parallel to one another and integral with a back wall intended to be positioned on said structure, wherein said armoring modules are mounted sliding on slides integral with the lateral walls of said case, and wherein they may thus be individually introduced or removed from said case via a front opening positioned opposite said back wall and delimited by said lateral walls, stop means ensuring the retention of each of said armoring modules with respect to said lateral walls when it is put into place on said lateral walls.

Abstract: A projectile body intended to evolve in a fluid, such body equipped with at least two radially deployable control surfaces, such control surfaces being accommodated prior to their deployment in housings made in the body, body in which the housings communicate at their intersection point, each housing being blocked by sealing means preventing any fluid from the exterior of the projectile body from passing through the housings when the control surfaces are deployed.

Abstract: A deconfinement device for the casing of a piece of ammunition enclosing an explosive load able to be ignited by a priming fuse, said device comprising a connecting ring linked to the casing and enabling the priming fuse to be joined to said casing, wherein said device incorporates a structure to ensure a weakened and shearable link between said fuse and said connecting ring, said link being sheared further to an increase in the pressure inside said casing, said connecting ring incorporating a base forming a plate that can be projected onto said explosive load during the ignition of said fuse, said base being able to be fractured by the presence of pressure inside said body of said projectile.

Abstract: A device for driving in rotation fins of a projectile, the fins being of the deployable type integral with fin heads which are able to be oriented along an axis of spin (X, Y) substantially orthogonal to a projectile's longitudinal axis (Z), wherein the fin heads are driven in rotation by motors and substantially ring sector-shaped sliders which slide in a circular groove.

Abstract: The invention relates to a locking device for a deployable surface or fin of a projectile characterized in that it incorporates at least one flexible tongue, one end of which protrudes in the groove, a recess to the side of the groove enabling the tongue to bend in a first direction to enable the fin to enter the groove.

Abstract: A sub-caliber projectile of the fin-stabilized type incorporating a sabot and a penetrator linked together by shape matching linking means, said linking means incorporating a first profile machined at a bore of said sabot and cooperating with a second profile on said penetrator, each of said first and second profiles having a shape according to a section in an axial plane that alternates teeth and grooves, the axial play between one of said teeth of said penetrator and one of said grooves forming the housing of said one of said teeth in said sabot being variable along the axis of said projectile, wherein said linking means incorporate a front part (F) and a rear part (R) in which the play, at a mean temperature, between said penetrator teeth and the housings of said teeth in said sabot is variable, the play, firstly, increasing between said median zone (M) of said sabot and a front end of said sabot and, secondly, increasing between said median zone (M) of said sabot and a rear end of said sabot.

Abstract: An ammunition firing device incorporating a firing pin intended to impact a pyrotechnic composition to activate its ignition, wherein said firing pin incorporates a rod that slides when said ammunition is fired through the effect of the firing acceleration from a starting position to a deployed position, able to be locked in said deployed position, said rod being integral with a percussion tip occupying a fixed position in contact with said pyrotechnic composition, said rod being located fully inside said tip in said starting position and protruding from said tip in its deployed position, said device further incorporating a hammer to strike said rod during the impact of said ammunition on a target to cause the ignition of said composition.

Abstract: The subject of the invention is a hot gas generator (8), particularly for a dehydration or drying unit, the generator comprising a burner or hearth (9) and being characterized in that it comprises at least one exchange circuit (10) comprising at least one pipe through which the gas to be heated flows, the pipe comprising a cool gas inlet end (11) and a hot gas discharge outlet (12), the pipe having a surface for heat exchange between the combustion gases generated by the burner or hearth (9) and the gas to be heated which flows through the pipe, the pipe also providing a physical barrier between the heated gases and the combustion gases generated by the burner or hearth. Application to producing a drying or dehydration installation.

Abstract: The object of the invention is a method of control of an ammunition or submunition, and in particular of the control of initiation of fire and/or of control of a trajectory correction and/or of a direction of fire, from a target detection. The method consists of the following steps: (1) a field zone (2) is sweeped from the ammunition (6) or submunition using a laser beam (10), (2) a potential target (1) located on the field is spotted using a passive surveillance means (4), and (3) when the means of passive surveillance (4) detects the laser beam (10) transmitted by the ammunition or submunition, the transmission of an order of confirmation is controlled and/or of at least one off-target data via the means of surveillance (4) and towards the ammunition or submunition.

Abstract: The invention relates to a programming process and device for a fuse of a projectile using a programming coil transmitting by induction a programming signal to reception means integral with the fuse. This process is characterized in that the programming signal is transmitted from at least one second programming coil that is separate from the first one, each coil being linked individually to electronic control means and the two coils being arranged so as to be able to lie in proximity to the fuse of the projectile when the latter passes in the feed means of the weapon, the coils being arranged such that the projectile fuse passes successively in front of each coil, particularly adapted to the programming of medium caliber projectiles.

Abstract: A Large caliber ammunition constituted by a projectile attached to a combustible skirt and closed by a base, a linking dome being provided between the skirt and the base, wherein the linking dome incorporates a first lateral wall cooperating with the skirt and a second lateral wall extending the first one and cooperating with the base, and wherein said dome comprises means to ensure its joining with the skirt, such means being able to be bent back by the base onto the lateral wall of the combustible skirt.

Abstract: The invention relates to a heat treatment process for a material in an oven (4), such process using the combustion gases supplied by at least one burner (5) associated with a firebox (6). This process is characterised in that a first condensation phase is provided for the combustion gases between their exiting the firebox (6) and entering the oven (4), such condensation enabling part of the dust contained in the combustion gases to be eliminated, the first condensation phase being conducted using absorption refrigerating means (14) followed by a superheating phase of the combustion gas allowing the required temperature to be obtained for the heat treatment. The invention also relates to a treatment unit implementing such process. The process is more particularly applicable to the heat treatment of wood.