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    • 4. 发明申请
    • TREAD FOR A PNEUMATIC TIRE
    • 用于气动轮胎
    • US20130014871A1
    • 2013-01-17
    • US13182788
    • 2011-07-14
    • Francois Pierre Charles Gerard GeorgesDidier WinkinLothar BraunFrank Pierre SeverensClaude Pierre GeorgesVincent Benoit MathonetDaniel Scheuren
    • Francois Pierre Charles Gerard GeorgesDidier WinkinLothar BraunFrank Pierre SeverensClaude Pierre GeorgesVincent Benoit MathonetDaniel Scheuren
    • B60C11/12
    • B60C11/0323B60C11/0306B60C11/04B60C11/1204B60C11/1281B60C2011/1209
    • A tread for a pneumatic tire includes a first circumferentially continuous groove, a second circumferentially continuous groove, a central rib interposed between the two circumferentially continuous grooves and extending continuously around a circumference of the tread, a first circumferentially extending shoulder rib disposed laterally outside of the first circumferentially continuous groove, and a second circumferentially extending shoulder rib disposed laterally outside of the second circumferentially continuous groove. The central rib has a plurality of circumferentially spaced sipes arranged in a first circumferential row and a second circumferential row. The sipes of the first row originate at the first circumferentially continuous groove and the sipes of the second row originate at the second circumferentially continuous groove. The sipes of both the first and second rows extend axially inward to a circumferentially extending and continuous variable center groove. The variable center groove has a minimum circumferentially extending opening at a radially outermost portion. As the tread wears and the radially outermost portion of the tread moves radially inward, the circumferentially extending opening of the variable center groove widens to a maximum circumferentially extending opening greater than the minimum circumferentially extending opening.
    • 用于充气轮胎的胎面包括第一周向连续的槽,第二周向连续的槽,插入在两个周向连续的槽之间并围绕胎面的圆周连续延伸的中心肋,第一周向延伸的肩肋, 第一周向连续的槽,以及设置在第二周向连续槽的横向外侧的第二周向延伸的肩肋。 中央肋具有布置在第一圆周排和第二圆周排中的多个周向间隔开的刀槽花纹。 第一列的刀槽花纹起始于第一周向连续的槽,并且第二列的刀槽花纹起始于第二周向连续的槽。 第一和第二列的刀槽花纹沿轴向向内延伸到周向延伸和连续的可变中心槽。 可变中心槽在径向最外侧部分具有最小的周向延伸开口。 当胎面磨损并且胎面的径向最外部部分径向向内移动时,可变中心槽的周向延伸的开口变宽到大于最小周向延伸开口的最大周向延伸的开口。
    • 5. 发明申请
    • TREAD FOR A PNEUMATIC TIRE
    • 用于气动轮胎
    • US20130014870A1
    • 2013-01-17
    • US13182725
    • 2011-07-14
    • Francois Pierre Charles Gerard GeorgesDidier WinkinLothar BraunPhuoc Thuan Le
    • Francois Pierre Charles Gerard GeorgesDidier WinkinLothar BraunPhuoc Thuan Le
    • B60C11/12
    • B60C11/12B60C11/04B60C11/1259B60C11/1281B60C2011/0348B60C2011/0355B60C2011/1209B60C2200/06
    • A tread for a pneumatic tire includes a first circumferentially continuous groove, a second circumferentially continuous groove, a third circumferentially continuous groove, a fourth circumferentially continuous groove, a central rib interposed between the second and third axially inner circumferentially continuous grooves, a central rib, a first middle rib, a second middle rib, a first shoulder rib, and a second shoulder rib. The central rib extends continuously around a circumference of the tread. The first middle rib is interposed between the first and second grooves. The first middle rib extends continuously around the circumference of the tread. The second middle rib is interposed between the third and fourth grooves. The second middle rib extends continuously around the circumference of the tread. The first circumferentially extending shoulder rib is disposed laterally outside of the first circumferentially continuous groove. The second circumferentially extending shoulder rib is disposed laterally outside of the fourth circumferentially continuous groove. The central rib has a plurality of circumferentially spaced sipes originating at the second circumferentially continuous groove and extending axially and circumferentially across the central rib to the third circumferentially continuous groove. The first middle rib has a plurality of circumferentially spaced sipes originating at the second inner circumferentially continuous groove and extending axially and circumferentially across the first middle rib to the third circumferentially continuous groove. The second middle rib has a plurality of circumferentially spaced sipes originating at the third inner circumferentially continuous groove and extending axially and circumferentially across the second middle rib to the fourth circumferentially continuous groove.
    • 用于充气轮胎的胎面包括第一周向连续槽,第二周向连续槽,第三周向连续槽,第四周向连续槽,插入在第二和第三轴向内周向连续槽之间的中心肋,中心肋, 第一中肋,第二中肋,第一肩肋和第二肩肋。 中央肋条围绕胎面的圆周连续延伸。 第一中间肋置于第一和第二槽之间。 第一中间肋围绕胎面的圆周连续延伸。 第二中间肋置于第三和第四槽之间。 第二中肋连续地围绕胎面的圆周延伸。 第一周向延伸的肩肋沿横向设置在第一周向连续凹槽的外侧。 第二周向延伸的胎肩肋横向设置在第四周向连续的槽的外侧。 中心肋具有多个周向间隔开的刀槽花纹,其始于第二周向连续的凹槽,并且沿着中心肋轴向和周向延伸延伸到第三周向连续的凹槽。 第一中间肋具有多个周向间隔开的刀槽花纹,该刀槽花纹位于第二内周向连续槽处,并且沿轴向和周向延伸穿过第一中间肋到第三周向连续的槽。 第二中间肋具有从第三内周向连续的凹槽起始的多个周向间隔开的刀槽花纹,并且沿轴向和周向延伸穿过第二中间肋到第四周向连续凹槽。