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    • 5. 发明授权
    • Pneumatic tire with sipe having bidirectional ridge portion rows and bidirectional valley portion rows
    • 具有刀槽花纹的气动轮胎具有双向脊部排和双向谷部分行
    • US09010390B2
    • 2015-04-21
    • US12989588
    • 2009-04-23
    • Naohiro Hayashi
    • Naohiro Hayashi
    • B60C11/12B60C11/11
    • B60C11/12B60C11/11B60C11/1218B60C2011/1213
    • It is a problem to provide a pneumatic tire where disengagement between sipe wall surfaces is suppressed.In a sipe formed in a block of a tread portion, two ridge portions (32) and (34) are formed in one sipe wall surface (29P), and two valley portions that engage with the ridge portions (32) and (34) are formed in another sipe wall surface. The two ridge portions (32) and (34) form a merged portion (30) where they merge together in the center of a sipe lengthwise direction and at their tire radial direction outside ends, and the two ridge portions (32) and (34) extend linearly from the merged portion (30) toward both sipe-lengthwise-direction end sides (F) and (K) so as to gradually move apart inward in the tire radial direction. Because of this configuration, the contact length of the adjacent sipe wall surfaces in a sipe depth direction (R) becomes longer.
    • 提供一种抑制刀槽花纹壁面之间的分离的充气轮胎是一个问题。 在形成在胎面部的块体中的刀槽花纹中,在一个刀槽花纹壁面(29P)上形成有两个脊部(32)和(34),与脊部(32)和(34)接合的两个谷部, 形成在另一个刀槽花纹壁表面。 两个脊部(32)和(34)形成合并部分(30),它们在刀槽花纹长度方向的中心并且在其轮胎径向外侧端部处合并在一起,并且两个脊部(32)和(34 )从合并部(30)向两个刀槽花纹长度方向端侧(F)和(K)延伸,以便在轮胎径向方向上逐渐向内移动。 由于这种构造,相邻刀槽花纹壁表面在刀槽花纹深度方向(R)上的接触长度变长。
    • 9. 发明申请
    • PNEUMATIC TIRE
    • 气动轮胎
    • US20110048602A1
    • 2011-03-03
    • US12989588
    • 2009-04-23
    • Naohiro Hayashi
    • Naohiro Hayashi
    • B60C11/12
    • B60C11/12B60C11/11B60C11/1218B60C2011/1213
    • It is a problem to provide a pneumatic tire where disengagement between sipe wall surfaces is suppressed.In a sipe formed in a block of a tread portion, two ridge portions (32) and (34) are formed in one sipe wall surface (29P), and two valley portions that engage with the ridge portions (32) and (34) are formed in another sipe wall surface. The two ridge portions (32) and (34) form a merged portion (30) where they merge together in the center of a sipe lengthwise direction and at their tire radial direction outside ends, and the two ridge portions (32) and (34) extend linearly from the merged portion (30) toward both sipe-lengthwise-direction end sides (F) and (K) so as to gradually move apart inward in the tire radial direction. Because of this configuration, the contact length of the adjacent sipe wall surfaces in a sipe depth direction (R) becomes longer.
    • 提供一种抑制刀槽花纹壁面之间的分离的充气轮胎是一个问题。 在形成在胎面部的块体中的刀槽花纹中,在一个刀槽花纹壁面(29P)上形成有两个脊部(32)和(34),与脊部(32)和(34)接合的两个谷部, 形成在另一个刀槽花纹壁表面。 两个脊部(32)和(34)形成合并部分(30),它们在刀槽花纹长度方向的中心并且在其轮胎径向外侧端部处合并在一起,并且两个脊部(32)和(34 )从合并部(30)向两个刀槽花纹长度方向端侧(F)和(K)延伸,以便在轮胎径向方向上逐渐向内移动。 由于这种构造,相邻刀槽花纹壁表面在刀槽花纹深度方向(R)上的接触长度变长。