FIELD: machine building.
SUBSTANCE: invention relates to automotive industry. Bead wire (52) comprises several windings of a wire and basic hexagonal bead wire (56) comprising: two axially and radially external lateral rows (F1, F2) of N2 windings; two axially external and radially internal lateral rows (F3, F4) of N2 windings, with N1=N2 + 1 or N1=N2; two junctions (J1, J2) each one formed by a winding that an axially and radially external lateral row (F1, F2) and an axially external and radially internal lateral row (F3, F4) have in common, each common winding has no winding of the wire axially on the outside of it. Bead wire (52) comprises two axially and radially external additional lateral rows (A1, A2) of N3 windings, substantially parallel to each axially and radially external lateral row (F1, F2), respectively.
EFFECT: technical result is the improvement of the quality of tyres.
10 cl, 13 dwg, 6 tbl
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RU2554863C2 |
