Reversible detonating pyrotechnic rupture piece

Detonating pyrotechnic separation part with:

• a first section (1) forming the base of said part and provided with a longitudinal projecting rib (15), and with a hook-shaped longitudinal projecting heel (4) delimiting a longitudinal channel (7) in its concavity, said heel (4) having, on the inner face of its free end (6), a first plane longitudinal facet (5), divergently inclined towards the exterior of the hook formed by said heel (4);
• a longitudinal pyrotechnic fuse (3) disposed in said channel (7);
• and
• a second section added to said first section (1) and made integral therewith via first fixing means (9) distributed along the length of said first and second sections, said second section resting, via one of its longitudinal edges, against said projecting longitudinal rib (15) via blocks (16) and being provided, on the outer face of its other longitudinal edge, with a convergently-inclined second plane longitudinal facet (11) disposed opposite said first facet (5) while being distant therefrom by a first predetermined clearance (12), enabling said second facet to cooperate with said first facet during the rupture of said part, said second section thus closing said channel (7), in which said pyrotechnic fuse (3) is accommodated with a second predetermined clearance (14) parallel to the depth (E) of said first and second sections, and being capable of serving as anvil to said pyrotechnic fuse (3), wherein:
• said second section consists of a plurality of consecutive section portions (2), fixed one after another onto said first section (1) via said first fixing means (9);
• and
• there are provided, between said consecutive section portions (2), second fixing means (18), distributed along the length of said first section (1) and independent of said first fixing means (9), making it possible to fix and position said pyrotechnic fuse (3) relative to said first section (1).