发明授权
US6058997A Pneumatic radial tire having at least two zigzag belt layers 失效
具有至少两个之字形带束层的气动子午线轮胎

Pneumatic radial tire having at least two zigzag belt layers
摘要:
A pneumatic radial tire has at least two belt layers disposed at a tread portion thereof, wherein the two belt layers are constituted by inclining a strip formed by aligning a plurality of reinforcing cords to a tire circumferential direction and extending it zigzag in the tire circumferential direction so that the strip is turned back from the lower belt layer to the upper belt layer at both end portions of the two belt layers, and zone portions in which the reinforcing cords incline to the right in the tire circumferential direction and the zone portions in which the reinforcing cords incline to the left in the tire circumferential direction are alternately arranged.
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