FIELD: transport engineering; vehicle pneumatic tyres. SUBSTANCE: bead ring has ring core welded of high-strength wire and wires wound on core tightly over entire length of core. Wires have been previously twisted into wire strand which is then wound around core with butt joint of beginning and end of layer in one place of cross section of bead ring, being secured by fastening member. EFFECT: increased breaking strength, reduced weight of tyre. 3 dwg
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