The invention relates to a bead core (1) for reinforcing the bead regions of pneumatic vehicle tires, which consists of a number of steel wires (2) having a diameter of 0.80 to 2.20 mm. Said steel wires consist of ultra-tensile steel with the following composition: C: 0.90 to 0.94 % by weight, Si: 0.40 to 0.58 % by weight, Mn: 0.25 to 0.40 % by weight, P: ≤ 0.020 % by weight, S: ≤ 0.020 % by weight, Cr: 0.15 to 0.25 % by weight, Cu: ≤ 0.040 % by weight, Al: ≤ 0.070 % by weight, remainder: iron and inevitable impurities.
WULSTKERN ZUR VERSTÄRKUNG DER WULSTBEREICHE VON FAHRZEUGLUFTREIFEN
BEAD CORE FOR REINFORCING THE BEAD REGIONS OF PNEUMATIC VEHICLE TIRES
TRINGLE DE TALON DESTINÉE À RENFORCER LES ZONES DE TALON DE PNEUS DE VÉHICULE
2023-08-09
Patent
Electronic Resource
German
WULSTKERN ZUR VERSTÄRKUNG DER WULSTBEREICHE VON FAHRZEUGLUFTREIFEN
European Patent Office | 2019
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