…Bead wires are used to secure tires to rims, and are made of steel wires twisted into a ring shape. Chafers are used to equalize the force applied to the bead wires and to protect them. Traditionally, tires used tubes to fill them with air, but tubeless tires, which have a rubber layer with low air permeability called an inner liner attached to the inside of the tire to improve puncture resistance, now dominate passenger cars, and are also used in trucks and buses. … *Some terminology explanations that mention "chafer" are listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…ビードワイヤbead wireはタイヤをリムに固定するためのもので,スチールワイヤをよってリング状に成形してある。チェーファーchaferはビードワイヤに加わる力の均一化とその保護の役割をもっている。 従来,タイヤは空気を充てんするためにチューブを使用していたが,耐パンク性能を向上するためにタイヤ内面にインナーライナーと呼ばれる空気透過率の小さいゴム層を張り付けたチューブレスタイヤが乗用車のほとんどを占め,トラックやバスにも用いられるようになった。… ※「chafer」について言及している用語解説の一部を掲載しています。 出典|株式会社平凡社世界大百科事典 第2版について | 情報 |
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