To eliminate the need of cutting pinch that may be generated in a bead part.SOLUTION: A pneumatic tire 80 includes: a bead protrusion part 41 protruding on an inner diameter side of a bead part 83 from a boundary part between a bottom surface of the bead part 83 and a tire inner surface; and a bead recess part 46 recessed on a side of the bead part 83 at the bottom surface of the bead part 83 and accommodated when the bead protrusion part 41 is folded back on an outside in a tire width direction.SELECTED DRAWING: Figure 4
【課題】ビード部に生じ得るピンチの切断を不要にする。【解決手段】空気入りタイヤ80は、ビード部83の底面とタイヤ内面との境界部分からビード部83の内径側へ突出する、ビード突部41と、ビード部83の底面においてビード部83側へ凹設されており、ビード突部41がタイヤ幅方向の外側に折り返された場合に収容される、ビード凹部46とを有する。【選択図】図4
PNEUMATIC TIRE, TIRE VULCANIZATION DEVICE AND METHOD FOR MANUFACTURING PNEUMATIC TIRE
空気入りタイヤ、タイヤ加硫装置、および空気入りタイヤの製造方法
2021-06-17
Patent
Electronic Resource
Japanese
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