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公开(公告)号：US5228933A
公开(公告)日：1993-07-20
申请号：US565837
申请日：1990-08-13
CPC分类号： B60C9/20 , B60C11/00 , B60C9/2204 , B60C2009/2223 , Y10T152/10765 , Y10T152/10783
摘要： A high performance pneumatic radial tire comprises a toroidal carcass, a tread radially outside a crown portion of the carcass, a belt layer interposed between the carcass and the tread and having a same width of the tread, and an auxiliary layer arranged between the belt layer and the tread and covering the entire belt layer. organic cords are buried substantially parallel to an equatorial plane of the tire in the auxiliary layer, and land portions are defined between at least two circumferential main grooves formed in an outer surface portion of the tread and between the circumferential main grooves and axially opposite edges of the tread. In the tire, a rigidity of the tire corresponding to locations overlapping the circumferential main grooves is made smaller than that of portions corresponding to the land portions by, for example, constituting the auxiliary layer from at least two auxiliary plies comprising one auxiliary ply located on a radially innermost side and covering the belt layer over an entire width thereof, and cutting at least a radially outermost auxiliary ply at locations overlapping the circumferential main grooves among the auxiliary plies having portions overlapping the circumferential main groove.
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公开(公告)号：US5277238A
公开(公告)日：1994-01-11
申请号：US798950
申请日：1991-11-27
CPC分类号： B60C9/22 , Y10T152/10765 , Y10T152/10783
摘要： A high-speed running pneumatic radial tire comprises a cylindrical crown portion, a pair of sidewall portions extending inward therefrom, a radial carcass extending from one of the sidewall portions through the crown portion to the other sidewall portion, and a belt and a tread successively superimposed on the crown portion outward in the radial direction of the tire. The tread has plural rows of blocks defined by plural circumferential grooves and many lateral grooves, and the belt is comprised of at least two main crosscord belt layers and an auxiliary belt layer arranged thereon. The auxiliary belt layer is formed by spirally winding a rubberized ribbon ply of heat-shrinkable cords on the main belt layers, in which an overlapped amount of the ribbon ply is made large in a zone of the tread substantially corresponding to the block row than in a zone of the tread substantially corresponding to the circumferential groove.
摘要翻译： 高速运行的充气子午线轮胎包括圆柱形冠部，从其向内延伸的一对侧壁部分，从侧壁部分中的一个穿过冠部延伸到另一个侧壁部分的径向胎体，以及相继的带和胎面 在轮胎的径向向外侧叠置在胎冠部上。 胎面具有由多个周向槽和多个横向槽限定的多排块，并且该带由至少两个主要交叉带带和布置在其上的辅助带束层组成。 辅助带束层通过在主带束层上螺旋卷绕热收缩帘线帘线层而形成，其中，带状帘布层的重叠量在基本上对应于块排的胎面区域中大于在 胎面区域基本上对应于周向槽。
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公开(公告)号：US5316064A
公开(公告)日：1994-05-31
申请号：US710986
申请日：1991-06-06
申请人： Katsutoshi Tani
发明人： Katsutoshi Tani
CPC分类号： B60C11/04 , B60C11/0306 , B60C9/2204 , Y10T152/10783
摘要： A pneumatic radial tire comprises a radial carcass of at least one carcass ply, a belt and a tread successively arranged on the carcass outward from the crown portion in radial direction, in which the tread has a plurality of circumferential grooves extending circumferentially of the tire and a plurality of island portions defined by these circumferential grooves and both side ends of the tread. The belt is comprised of at least two main belt layers and an auxiliary belt layer of a specific structure formed by helically and continuously winding a ribbon-shaped ply in series.
摘要翻译： 充气子午线轮胎包括至少一个胎体帘布层的径向胎体，皮带和胎面，其沿径向从冠部部分向外布置在胎体上，胎面具有沿轮胎周向延伸的多个周向槽， 由这些周向槽和胎面的两个侧端限定的多个岛部。 该皮带由至少两个主带束层和一个特殊结构的辅助带束层构成，其通过螺旋形连续卷绕带状帘布层而形成。
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