pneumatic tire
A technology for pneumatic tires and tires, applied in tire parts, tire tread/tread pattern, transportation and packaging, etc. It can improve the performance of snow road, improve the drainage performance and improve the drainage resistance.
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[0062] Based on the specifications in Table 1, prototypes with figure 1 as well as Figure 4 The pneumatic tires with the basic pattern size of 195 / 80R15 were tested for drainage performance, icy road performance (braking force) and snow road performance of each test tire. Among them, the general specifications are as follows.
[0063] Tread contact width TW: 161mm
[0064]
[0065] Groove width W1: 4.0~6.8mm
[0066] Groove depth: 12.5mm
[0067] The ratio of the tire axial distance L1 of the groove centerline of the shoulder main groove to the tread contact width TW (L1 / TW): 0.28
[0068] The ratio of the tire axial distance L2 of the groove center line of the central main groove to the tread contact width TW (L2 / TW): 0.10
[0069]
[0070] Groove width W4 of central transverse groove: 2.1~4.5mm
[0071] Groove width W3 of shoulder transverse groove: 2.7~5.9mm
[0072] The average groove width W2g of the middle transverse groove: 3.0mm
[0073] Groove depth: 7.0~...
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