| 摘要 |
The pneumatic tyre is made in accordance with simplifiedtechnology and has better adhesion qualities. It reduces the greatsoil packing and the formation of deep ruts. The tyre has a tread,carcass of textile cord and bead. The height of profile (2) isfrom 220 to 240 mm, the outer diameter (3) is from 1160 to 1200mm, the radius of the side part (7) is from 235 to 385 mm, andthat of the bead (8) is from 10 to 15 mm. The depth of the centralgroove (9) is from 33 to 38 mm, the crown of casing (4) is from 20to 30 mm, the ratio between the width of casing (4) and profile(1) is 0.920-0.950, between the distance betwen the toes of thebead (5) and the width of profile (1) is 0.930-0.990, and betweenthe crown of casing (10) and the width of profile is 0.089-0.0950.THe width of profile (1) is from 240 to 280 mm, and of casing (4)is from 220 to 280 mm. The distance between the toes of bead (5)is from 230 to 280 mm, and the radius of casing (6) is from 300 to350 mm. The ratio between height (2) and the width of profile (1)is 0.850-0.890 and of the crown of casing (10) and the hight ofprofile (2) is 0.100-0.110.
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