To provide a method capable of accurately and easily predicting a tightening force of a bead part from design parameters, a tire manufacturing method using the method, and a tire.SOLUTION: A bead tightening force prediction method includes a process of predicting a tightening force BF of a bead part 4 when a tire 1 having a bead core 5 on the bead part 4 is mounted on a rim R of a wheel. In the prediction process, the bead tightening force BF is predicted using an inner diameter IDw of the bead core, a rim diameter ODR, and a thickness Ct inside the bead core 5 in a radial direction of the tire.SELECTED DRAWING: Figure 2
【課題】 設計パラメータからビード部の締め付け力を精度よく簡単に予測し得る方法、当該方法を用いたタイヤ製造方法及びタイヤを提供する。【解決手段】 ビード部4にビードコア5を備えたタイヤ1がホイールのリムRに装着されたときのビード部4の締め付け力BFを、予測する工程を含む、ビード締め付け力予測方法である。予測する工程は、ビードコアの内径IDw、リム径ODR及びビードコア5よりもタイヤ半径方向内側の厚さCtを用いて、ビード締め付け力BFを予測している。【選択図】 図2
BEAD TIGHTENING FORCE PREDICTION METHOD, TIRE MANUFACTURING METHOD AND TIRE
ビード締め付け力予測方法、タイヤの製造方法及びタイヤ
21.10.2021
Patent
Elektronische Ressource
Japanisch
IPC: | B60C VEHICLE TYRES , Fahrzeugreifen |
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