초록 ▼

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 i

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).

대표청구항 ▼

1. A device forming an infrared decoy comprising: a triggering pyrotechnic portion (150),a composition (121) adapted to emit radiation in an infrared range, andan envelope (130) for protecting the composition (121), formed from a sheath made of plastic material,characterized in that one at least of

1. A device forming an infrared decoy comprising: a triggering pyrotechnic portion (150),a composition (121) adapted to emit radiation in an infrared range, andan envelope (130) for protecting the composition (121), formed from a sheath made of plastic material,characterized in that one at least of a body (150) of a pyrotechnic initiation portion and/or a plug (140) for blocking the sheath (130) has an annular recess (152, 142) which leads to an outer periphery and which communicates with at least one longitudinal channel (154, 156; 144, 146), which leads to one end of the body (150) or the plug (140) to receive a ribbon of polymerizable glue providing for gluing the body (150) and/or the plug (140) to the sheath (130). 2. The device according to claim 1, characterized in that the envelope (130) is a rigid profiled envelope formed by extrusion, molding or blowing. 3. The device according to claim 1, characterized in that the envelope (130) is made of a material chosen among the group comprising polystyrene, ABS (acrylonitrile butadiene styrene), polypropylene, polyethylene or PA6.6 (polyamide 6.6). 4. The device according to claim 1, characterized in that the envelope (130) is made of an optically transparent plastic material, at least in the infrared range. 5. The device according to claim 1, characterized in that the envelope (130) is made of an optically transparent plastic material, at least in an ultraviolet range. 6. The device according to claim 1, characterized in that the envelope (130) defines a clearance of 0.5 mm around the composition (121). 7. The device according to claim 1, characterized in that the envelope (121) is made in one piece with a closure plug (140). 8. The device according to claim 1, characterized in that the envelope (130) has a variable thickness. 9. The device according to claim 1, characterized in that the envelope (130) has a thickness of 0.5 to 0.9 mm. 10. The device according to claim 1, characterized in that the sheath (130) comprises a series of grooves (132, 134) forming rupture initiators on its outer surface. 11. The device according to claim 1, characterized in that the composition (121) is longitudinally grooved to ensure channeling of initiation gases. 12. The device according to claim 1, characterized in that the sheath (130) has a straight square section.