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    • 2. 发明申请
    • TUBELESS TYRE HAVING A SLITTED INNER-LINER, AND PROCESS FOR ITS MANUFACTURE
    • 具有内衬的无烟轮胎及其制造工艺
    • WO2010018124A1
    • 2010-02-18
    • PCT/EP2009/060229
    • 2009-08-06
    • SOCIETE DE TECHNOLOGIE MICHELINMichelin Recherche et Technique S.A.BEAUGRAND, SébastienLESCLINGANT, DanielPOMMEYROL, Gilles
    • BEAUGRAND, SébastienLESCLINGANT, DanielPOMMEYROL, Gilles
    • B60C5/14B29D30/16
    • B29D30/1621B29D30/1628B29D2030/0682B60C5/142
    • Tubeless tyre, adapted to be inflated with an inflation gas, comprising: a crown (25) comprising a crown reinforcement (80, 90) surmounted by a tread (40); two sidewalls (30) extending the crown radially inwards; two beads (20) radially inside the sidewalls and each comprising a annular reinforcement structure (70); a carcass reinforcement (60) anchored in each of the beads; an inner-liner (50) impermeable to the inflation gas, covering the inner surface of the tyre; wherein, in each sidewall of the tyre, the inner-liner comprises at least one slit (200), situated radially between the annular reinforcement structure that is radially outermost, and the radius RE at which the carcass reinforcement, when the tyre is fitted to the rim and inflated to its operating pressure, has its largest axial width, the slit having a maximum radial height HR of between 0.5 and 5 mm and extending over at least half of the circumference of the tyre. Also disclosed is a process for manufacturing such a tyre.
    • 无孔轮胎,适于用膨胀气体充气,包括:冠部(25),包括由胎面(40)覆盖的胎冠增强件(80,90); 两个侧壁(30)径向向内延伸冠部; 两个胎圈(20)径向地在所述侧壁内部并且每个包括环形增强结构(70); 锚固在每个珠粒中的胎体增强件(60); 不透气膨胀气体的内衬(50),覆盖轮胎的内表面; 其特征在于,在所述轮胎的每个侧壁中,所述内衬层包括至少一个狭缝(200),所述至少一个狭缝(200)径向位于径向最外侧的环形加强结构之间,并且所述胎体增强件 轮辋膨胀到其工作压力,具有最大的轴向宽度,狭缝的最大径向高度HR在0.5和5mm之间,并且延伸至轮胎周长的至少一半。 还公开了一种用于制造这种轮胎的方法。