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21. 发明授权

US5695578A Tire with a reinforced belt band of alternating first and second cords 失效
标题翻译：轮胎带有交替的第一和第二帘线的加强带束带
公开(公告)号：US5695578A
公开(公告)日：1997-12-09
申请号：US607630
申请日：1996-02-27
申请人： Maurizio Boiocchi , Gurdev Orjela
发明人： Maurizio Boiocchi , Gurdev Orjela
IPC分类号： B60C9/18 , B60C9/20 , B60C1/00
CPC分类号： B60C9/1821 , B60C9/2009 , Y10T152/10513 , Y10T152/10765 , Y10T152/10783 , Y10T152/1081
摘要： A pneumatic tire particularly adapted for cars, is provided with belt strips (7, 8) each comprising a first and a second series of cords (7a, 7b, 8a, 8b) made of different materials, alternated with each other axially across the width of the tire according to a preestablished sequence. The cords (7b, 8b) of the second series, made of aramid or glass for example, cooperate with those of the first series (7a, 8a), made of steel, to withstand tensile stresses in the longitudinal direction. Conversely, the cords (7b, 8b) of aramid or glass have a greater compliance than the steel cords (7a, 8a) towards compressive stresses. The elastomer incorporating the cords (7a, 7b, 8a, 8b) is filled with reinforcing fibers, short aramid fibers or aramid pulp for example, and has a modulus of elasticity between 15 and 50 megapascals.
摘要翻译：特别适用于汽车的充气轮胎设置有带条（7,8），每个带条包括由不同材料制成的第一和第二系列帘线（7a，7b，8a，8b），所述帘线（7a，7b，8a，8b）的轮胎根据预先确定的顺序。由芳族聚酰胺或玻璃制成的第二系列的帘线（7b，8b）例如与由钢制成的第一系列（7a，8a）的帘线（7a，8a）配合以承受纵向的拉伸应力。相反，芳族聚酰胺或玻璃的帘线（7b，8b）对于钢丝绳（7a，8a）的压缩应力具有更大的柔顺性。包含帘线（7a，7b，8a，8b）的弹性体填充有例如增强纤维，短芳族聚酰胺纤维或芳族聚酰胺纸浆，并且弹性模量为15-50兆帕。

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