The invention relates to a device (1) for manufacturing an annular bead element (2) intended to reinforce a pneumatic tire, with an assembly station (10) which is arranged on the one hand to receive a braided toroid ( 3) with a central axis (Z3) comprising a braid wire (4) which extends longitudinally from a first end section (5) to a second end section (6) and which is interlaced in turns helical (7), and secondly to join and fix to each other the first end section (5) and the second end section (6), said device comprising a positioning system (20 ) which makes it possible to automatically adjust the position of the braided toroid relative to the assembly station and which for this purpose comprises a drive unit (30) for driving the braided toroid (3) in displacement relative to the assembly station (10), a spacer unit (40) for projecting, by elastic deformation, the first and second end sections (5, 6) pa r relative to the body of the braided toroid (3A), and an end section sensor (60) for detecting the passage of the end section (5, 6) projecting at a locating point (O60). Figure 3
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