Pneumatic tire
A technology of pneumatic tires and tires, which is applied to tire components, tire edges, transportation and packaging, etc., can solve the problems that it is difficult to obtain bead reinforcement effect, difficult to effectively use, etc., so that the riding comfort will not be reduced and prevent The effect of productivity deterioration and productivity improvement
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[0055] Prototype has figure 1 The basic structure, and has the image 3 or Figure 4 Pneumatic tires for passenger cars (195 / 65R15) with bead reinforcement materials wound in the form of In addition, as a comparative example, a pneumatic tire without a bead reinforcing layer and a bead reinforcing material (comparative example 1) and a pneumatic tire with Figure 8 Pneumatic tires of the shown bead reinforcement layers (Comparative Examples 2 and 3). In addition, the steering stability and riding comfort of each test tire were tested, and the defective rate during production was measured. The test method is as follows.
[0056]
[0057] The trial tires were mounted on a test vehicle under the following conditions, and the steering stability and ride comfort when driving on a dry asphalt tire test course were evaluated by the driver's senses. As a result, the steering stability and the riding comfort of Example 1 were expressed on a scale of 100 with 75 points each, and ...
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