Heavy duty pneumatic tire
A technology for pneumatic tires and tire shoulders, which is applied to heavy tires, reinforcement layers of pneumatic tires, special tires, etc., and can solve problems such as partial wear resistance and reduced handling stability
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Embodiment 1
[0097] get to have Figure 1-3 A heavy-duty pneumatic tire (tire size = 355 / 50R22.5) having the basic structure shown and the specifications shown in Table 1 below.
[0098] In Example 1, the end portion of the full cap ply is disposed outside the shoulder circumferential groove in the axial direction. This is indicated by a "Y" in Table 1 in the column "End of Full Cap Strap". The axial distance We from the end of the full cap to the inner end of the marginal cap is 25 mm. The ratio (SF / WS) of the axial distance SF from the shoulder circumferential groove to the end of the full cap layer to the axial width WS of the shoulder land portion was 15%. Two belt plies are provided radially inward of the full cap belt. This is indicated by "2" in the column "Number of Belt Plies" of Table 1.
Embodiment 2-4
[0102] The tires of Examples 2-4 were obtained in the same manner as in Example 1 except that the distance We and the ratio (SF / WS) were shown in Table 1 below.
Embodiment 5-8
[0104] Examples were obtained in the same manner as in Example 1, except that the number of belt plies positioned radially inside the full cap belt, the distance We, and the ratio (SF / WS) were as shown in Table 2 below. 5-8 tires.
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