The invention relates to a tyre tread (1) for a heavy civil engineering vehicle with an improved compromise between resistance to mechanical attacks caused by stone ground and grip on muddy ground. The tread (1) comprises five rows (41, 42, 43), the five rows (41, 42, 43) are separated in pairs by longitudinal cuts (51, 52) and are distributed in a transverse direction (YY ') in a central row (43), two intermediate rows (42) and two side rows (41), the blocks (31, 32, 33) of a single row (41, 42, 43) are at least partially separated in pairs by transverse cuts (61, 62, 63), each transverse cut of the side rows (41) being a transverse groove, and the longitudinal cuts (51, 52) are arranged in the longitudinal direction (YY'). Each transverse cutout (62) of the intermediate row (42) comprises a first transverse groove portion (621) and a second transverse sipe portion (622), each transverse cutout (63) of the central row (43) being a transverse sipe cutout in the longitudinal direction (XX ').
本发明涉及一种用于重型土木工程车辆的轮胎胎面(1),其具有在对多石地面所引起的机械攻击的抗性与在泥泞地面上的抓地性之间的改进折衷。胎面(1)包括五个排(41、42、43),所述五个排(41、42、43)成对地由纵向切口(51、52)分隔开并且沿着横向方向(YY’)以中心排(43)、两个中间排(42)和两个侧排(41)分布,单个排(41、42、43)的花纹块(31、32、33)至少部分地通过横向切口(61、62、63)来成对地分隔开,侧排(41)的每个横向切口为横向沟槽,中间排(42)的每个横向切口(62)包括第一横向沟槽部分(621)和第二横向刀槽部分(622),沿着纵向方向(XX’),中心排(43)的每个横向切口(63)为横向刀槽切口。
Tire tread with improved robustness for heavy vehicles
用于重型车辆的具有改进强健性的轮胎胎面
2023-08-15
Patent
Elektronische Ressource
Chinesisch
IPC: | B60C VEHICLE TYRES , Fahrzeugreifen |
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