专利名称：TYRE BREAKER PLY REINFORCEMENT 发明人：CLUZEL, GUY
申请号：EP99924817.2
申请日：19990423
公开号：EP1077814A1
公开日：
中国还有希望吗20010228
专利内容由知识产权出版社提供
摘要：The crown reinforcement (3) has at least two working crown layers (32,34) comprising non-stretch elements, crossing from one layer to the other at interction angles of 10-45 deg with the circumference line. An additional layer (33), radially between the other layers, compris continuous non-stretch steel elements on a generally radial alignment. The layer has an axial width (L33) which is at least 1.1 times the axial widths (L32, L34) of the wider flanking layers. The additional layer (33) has a meridian curvature esntially of zero. The metal cable hoops of the additional layer have a module of cant compression which is 0.33-0.66 times the module of cant expansion, for a relative contraction of 0.4%, for a relative elongation of the same value. The crown reinforcement (3) has a continuous protective layer (35), radially over the upper working layer (34), comprising stretch metal cables. Its axial width (L35) is at least equal to the axial width (L34) of the radially outermost layer (34). The crown reinforcement is finished at the interior by a layer between the carcass reinforcement (1) and the radially lower layer (32). Its non-stretch elements form a triangulation with the circumference line with an angle of greater than or equal to 60 deg and in the same direction as the angle formed by the reinforcement elements in the lower layer. The triangulation layer has an axial width greater than the axial width (L32, L34) of the widest layer.
大班儿歌
社会服务申请人：COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELIN-MICHELIN & CIE 地址：12, Cours Sablon 63040 Clermont-Ferrand Cédex FR种鸡
abc的词语>农业综合开发
国籍：FR
李慧珍歌曲代理机构：Devaux, Edmond-Yves
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