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公开(公告)号：US09849729B2
公开(公告)日：2017-12-26
申请号：US14411844
申请日：2013-06-26
Inventor： Christophe Laurent , Pierre-Yves Formagne , Romain Bouchet
CPC classification number: B60C9/07 , B60C9/18 , B60C15/0009 , B60C2200/10
Abstract: A tire having a crown reinforcement (5), comprising at least one crown layer (51), and a carcass reinforcement (6), comprising at least one turned-up carcass layer (61), the turned-up carcass layer (61) comprising mutually parallel reinforcers turned up, within each bead, from the inside towards the outside of the tire around a bead wire (7), to form a turn-up (8) comprising a free end (E). The turned-up carcass layer (61) comprises a crown portion (611) and a lateral portion (612), the crown portion (611) extending axially between a first and a second end (E1, E′1) which is symmetric about the equatorial plane (P), the lateral portion (612) extending radially inwards, from a first end (E2) as far as a second end (E3). The reinforcers of the lateral portion (612) and the reinforcers of the turn-up (8) form, with the circumferential direction (X), specified angles.
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公开(公告)号：US11565550B2
公开(公告)日：2023-01-31
申请号：US16087860
申请日：2017-03-31
Inventor： Charles Guicherd , Mickaël Precigout , Romain Bouchet , Christophe Laurent
Abstract: A tire for a two-wheeled motorized vehicle includes a tread joined by two sidewalls to two beads, the tread having first and second elastomer compositions, crown reinforcement, radially inside tread having a crown layer having mutually parallel circumferential reinforcers forming an angle at most equal to 5° to the circumferential direction, a carcass reinforcement, radially inside crown reinforcement, having turnup. Carcass reinforcement includes mutually parallel reinforcers, and wrapped, in each bead, from the inside to the outside of the tire, about bead wire in order to form turnup having free end E2. Carcass reinforcement includes crown portion and lateral portion, crown portion extending axially between first and second ends E2, E′2, E2 and E′2 being symmetric to equatorial plane P of the tire, lateral portion extending symmetrically to equatorial plane P radially towards the inside, from radially outermost end E2 to fourth end E4 disposed at the bead wire.
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公开(公告)号：US20150144241A1
公开(公告)日：2015-05-28
申请号：US14411844
申请日：2013-06-26
Inventor： Christophe Laurent , Pierre-Yves Formagne , Romain Bouchet
CPC classification number: B60C9/07 , B60C9/18 , B60C15/0009 , B60C2200/10
Abstract: A tire having a crown reinforcement (5), comprising at least one crown layer (51), and a carcass reinforcement (6), comprising at least one turned-up carcass layer (61), the turned-up carcass layer (61) comprising mutually parallel reinforcers turned up, within each bead, from the inside towards the outside of the tire around a bead wire (7), to form a turn-up (8) comprising a free end (E). The turned-up carcass layer (61) comprises a crown portion (611) and a lateral portion (612), the crown portion (611) extending axially between a first and a second end (E1, E′1) which is symmetric about the equatorial plane (P), the lateral portion (612) extending radially inwards, from a first end (E2) as far as a second end (E3). The reinforcers of the lateral portion (612) and the reinforcers of the turn-up (8) form, with the circumferential direction (X), specified angles.
Abstract translation: 一种具有冠部加强件（5）的轮胎，包括至少一个胎冠层（51）和胎体增强件（6），所述胎冠增强件（6）包括至少一个折叠胎体层（61），所述折叠胎体层（61） 包括相互平行的加强件，在每个胎圈内从轮胎线（7）周围的轮胎的内侧向外侧翻转，以形成包括自由端（E）的卷起（8）。 翻转的胎体层（61）包括冠状部分（611）和侧面部分（612），冠状部分（611）在第一和第二端（E1，E'1）之间轴向延伸，该第一和第二端部 赤道平面（P），横向部分（612）从第二端（E3）的第一端（E2）径向向内延伸。 横向部分（612）的加强件和向上（8）形式的加强件与圆周方向（X）具有规定的角度。
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