Abstract: The present disclosure relates to non-toxic smoke-producing compositions for producing colored smoke. In particular, the smoke-producing compositions are free from chlorinated compounds and organic dyes from the family of anthraquinones (or derivatives). The smoke-producing compositions can be used to produce pyrotechnic devices suitable for use in the military and civilian fields.

Abstract: The present disclosure relates to non-toxic smoke-producing compositions for producing colored smoke. In particular, the smoke-producing compositions are free from organic dyes from the family of anthraquinones (or derivatives). The smoke-producing compositions can be used to prepare pyrotechnic devices suitable for use in the military and civilian fields.

Abstract: The present invention relates to a device forming an infrared decoy comprising a pyrotechnic priming part (150), a composition (121) suited to emitting radiation in the infrared domain, and a protective casing (130) for protecting the composition (121) and formed of a plastic sleeve, characterized in that at least one out of a body (150) of the initiation pyrotechnic part and/or of a plug (140) that blanks off the sleeve (130) has an annular groove (152, 142) that opens onto its external periphery and communicates with at least one longitudinal duct (154, 156; 144, 146) which opens onto an end of the body (150) or of the plug (140) in order to accept a polymerizable adhesive tape that bonds the body (150) and/or the plug (140) to the sleeve (130).

Abstract: The invention relates to a self-lighting device for a cigarette, comprising a primary chemical material (7) to be placed at the lighting end (4) of the cigarette (1); and a secondary chemical material (8) that is incompatible with the primary material (7), said primary and secondary materials being inflammable when they come into contact with each other. The device is characterized in that the secondary material (8) is arranged in a receptacle (9) designed to fit over the lighting end (4) of the cigarette (1), bringing the secondary material into contact with the primary material (7).

Abstract: The present invention provides a device for controlling the movement of a vehicle closure element, the device comprising, interposed between a vehicle structure and a closure element, firstly a driver element that can be activated on command, constituted by a pyrotechnic actuator, and secondly mechanical connection means suitable for allowing a driving connection between the pyrotechnic actuator and the closure element when the pyrotechnic actuator is activated, while also allowing the closure element to move freely relative to the pyrotechnic actuator when the closure element is moved over a stroke greater than that enabling said driving connection.

Abstract: The invention concerns a device forming a mechanism, in particular for use in the space industry, characterised in that it comprises in combination: two structural elements (100, 200) capable of relative displacement, locking means (300) adapted to prevent initially the relative displacement between the two structural elements (100, 200), and means (400) for controlled locking of the locking means (300) designed to prevent initially the release thereof, then when activated, successively, in a first phase, a sliding action in controlled amplitude of the locking means (300), for limited release between the two structural elements (100, 200), then in a second phase, complete release of the locking means (300) and hence of the structural elements (100, 200).

Abstract: The invention provides an explosive round that produces fragments propelled by jetting effect, the round consisting in a firing head, an explosive charge, a fragment generating wall in direct contact with the explosive, which wall has a set of indentations extending towards the inside of the round and into the explosive, so that each indentation constitutes a shaped charge, wherein the indentations of the fragment-generating portion are in the form of caps extending inside the explosive, each cap presenting a surrounding base having a diameter comprised between 2.5 mm and 5.5 mm and a wall thickness comprised between 0.5 mm and 0.8 mm, so that each cap generates a corresponding fragment propelled by jetting effect, fragment which has no effectiveness beyond 35 m from the point of explosion.

Abstract: A device is presented including a first support element, a second support element (110) which is separate from the first support element, a structure placed in tension between the two support elements and a rupture device associated with the structure in tension so as to rupture the structure in tension on demand. The device additionally includes a beam working in compression, inserted between the two support elements in parallel with the structure to be ruptured.

Abstract: A decoy device for wake-following torpedoes, the device comprising a body of effervescent material that reacts with sea water to generate a cloud of bubbles simulating a phoney wake, the device being characterized in that it has a covering of material that is soluble in sea water which delays the reaction of the effervescent material with sea water.

Abstract: The present invention provides an electromagnetic reflector comprising a deployable support frame carrying at least one sheet element designed to form a reflective surface when in the deployed state, wherein the support frame comprises a band that is suitable for being packaged in a folded state and that is suitable for returning to a deployed state in the absence of external constraint, the band being in the form of three rings that are orthogonal in pairs, and the reflector further comprising eight generally triangular panels of sheet material.

Abstract: The invention concerns an igniter plug for a pyrotechnic device, in particular a hand-launch or mechanical launch grenade, comprising a body (104) provided with a control mechanism including a fly-off lever (101) and a percussion mechanism (128) co-operating with a primary pyrotechnic module (105) for initiating the charge (119) of the associated device. The invention is characterised in that it further comprises a lock (150) engaged with the lever (101), in storage position, to prevent the fly-off lever (101) from moving towards its release position, the lock (150) being configured to impose, when the igniter plug is activated, an initial movement of the lever (101) countering its displacement required for releasing the percussion mechanism (128), so as to disengage the lock (150) and the fly-off lever (101).

Abstract: The present invention relates to a device forming an electromagnetic reflector comprising a deployable support frame (100) carrying at least one cloth element (200) designed, in the deployed state, to form a reflective surface, the device being characterized by the fact that the deployable support frame (100) comprises at least one deployable arm (120) that is telescopic.

Abstract: The invention concerns a device forming a mechanism, in particular for use in the space sector, characterised in that it comprises in combination: a material (300) with low melting point capable of producing a soldering joint, at least heating means (400), a structure having an architecture with a zone blocked by the low melting point material (300), capable of being released by liquefying the low melting point material, and means for forced rolling of the low melting point metal (300) in liquid state, after the heating means (400) have been activated, to produce a shock absorbing function.

Abstract: The present invention provides a device forming a controlled-release mechanism, the device comprising: two structural elements suitable for relative movement; and locking means suitable initially for preventing relative movement between the two structural elements, and in which the locking means comprises in combination: at least one set of complementary shape means of helical configuration associated with respective ones of the two structural elements; and a low-melting point material disposed at least in part at an interface between two parts connected respectively to the two structural elements to prevent the locking means being released, and consequently to prevent the structural elements being released, prior to said material melting.

Abstract: A smoke-generating redox composition contains one or more esters of colophony or of hydrogenated colophony with an alcohol. Applications include use in a deterrent device.

Abstract: The present invention provide a pyroacoustic device for protecting submarines or surface vessels, the device being characterized by the fact that it comprises: a structure (240) suitable for forming a positioning device for controlled positioning under water; and a case (100) connected to the positioning device, which case (100) contains: a plurality of charges (110) each suitable for generating an acoustic effect; and control means (125, 126; 140; 121) suitable for initiating said plurality of charges (110) in a controlled sequence.

Abstract: A mechanical device for controlling changeover between two modes of relative displacement between two objects comprising: two assemblies capable of moving in guided relative translation, one assembly being fixed, and the other assembly moving, the device further comprising: resilient controller interposed between the two assemblies with a controlled clearance to define the mode of relative displacement; and an inertial mass associated with one of the assemblies and adapted to act selectively on the controller as a function of the time profile of moving assembly displacement in order to modify the clearance and the mode of relative displacement.

Abstract: The invention concerns a pyrotechnic projectile comprising a body containing a bursting charge (4) and a combustible charge (5) which is ignited and dispersed by the bursting charge (4), characterized in that the combustible charge (5) is formed by a metallic powder combustible with oxygen, arranged in the busting charge (4) according to a pattern corresponding of the flare pattern to be obtained in the sky. The metallic powder can be titanium, aluminum or magnesium powder.

Abstract: A device for dispersing birds in airport areas, including a self-propelled projectile with a delayed firing element (15, 18, 27, 29) and a sound-effect charge (9) designed to scare birds away and housed in said projectile.

Abstract: The present invention relates to a non-lethal ammunition comprising a projectile (100) including: a body (110) which houses a container (130) adapted to generate a pressurized gas, and a nosecone (140) associated with a striker (154) adapted to enable an active agent to be dispersed on impact, wherein the body (110) is placed in a case (50, 60) and the container (130) or the striker is disposed on a slide (120) guided to slide in the body (110); means (117, 118, 119) are provided to prevent movement of the slide (120) before the body (110) leaves the case (50, 60) to prevent movement towards each other of the striker (154) and the container (130), and the body (110) of the projectile (100) comprises a plurality of orifices (170) disposed around its axis to enable the active agent to be dispersed omnidirectionally.