| 摘要 |
PURPOSE: A tire belt cord is provided to reduce weight, and to improve the durability of a tire by arranging a center wire to the center inserted into the inside of a tire belt unit and by wrapping the outside with a fabric. CONSTITUTION: A tire belt cord comprises a plurality of center wires(10) and a plurality of external wires(20). The center wires are located to the center in a twisted shape, and are comprised of carbon steel plated by brass. The external wires are arranged in the twisted shape while wrapping the center wires, and are comprised of a PET fiber and a nylon fiber.
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