- 专利标题: TRUCK TIRE WITH STIFF OUTER BEAD PRODUCTS
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申请号: US17780575申请日: 2019-12-18
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公开(公告)号: US20220410638A1公开(公告)日: 2022-12-29
- 发明人: Christopher BARTON
- 申请人: Christopher BARTON , Compagnie Generale des Etablissements Michelin
- 申请人地址: US SC Greenville; FR Clermont-Ferrand
- 专利权人: Christopher BARTON,Compagnie Generale des Etablissements Michelin
- 当前专利权人: Christopher BARTON,Compagnie Generale des Etablissements Michelin
- 当前专利权人地址: US SC Greenville; FR Clermont-Ferrand
- 国际申请: PCT/US19/67132 WO 20191218
- 主分类号: B60C15/06
- IPC分类号: B60C15/06
摘要:
A heavy truck tire is provided with a bead design that has a bead core and a reinforcement ply that wraps around a section of the bead core and has a return casing ply. Bead filler is present that has a portion radially outward from the bead core and axially inboard from the return casing ply. A stiffener layer is present that has a portion located outboard from the return casing ply. The bead has a first bead layer with a portion between the return casing ply and the stiffener layer, and a second bead layer that has a portion outboard from the stiffener layer. The stiffness of the first and second bead layers is 8 MPa to 14 MPa. The stiffness of the bead filler is less than the stiffness of the first and second bead layers.
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