Invention Grant
US07475714B2 Pneumatic tire with outer carcass ply comprising circumferentially spaced pieces 失效
具有外部胎体帘布层的气动轮胎包括周向间隔开的部件

Pneumatic tire with outer carcass ply comprising circumferentially spaced pieces
Abstract:
A pneumatic tire comprises a tread portion, a pair of sidewall portions, a pair of bead portions each having a bead core therein, a carcass comprising an inner ply and an outer ply, the inner ply comprising a main portion extending between the bead cores through the sidewall portions and the tread portion and a pair of turnup portions each turned up around each of the bead cores from axially inside to axially outside of the tire, the inner ply substantially extending in a circumferential direction of the tire continuously, and the outer ply comprising a plurality of circumferentially spaced pieces each having radially inner ends which are not turned up around the bead core.
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