A bead core of the present disclosure is an annular bead core, a cross-sectional shape of the bead wire is non-circular, in axial cross-sectional view, in the axial cross-sectional view, the bead wire has a periphery coated with a resin material, and the resin material is interposed between the bead wires. A manufacturing method of the bead core of the present disclosure is a manufacturing method to obtain the above bead core, comprising: a winding step of winding a plurality of times one or more resin-coated wires each comprising a bead wire having a non-circular cross-sectional shape and being coated with a resin material, and a joining step of joining the resin materials of the adjacently wound resin-coated wires to each other. A pneumatic tire of the present disclosure comprises a pair of bead portions, and the above bead core in each of the pair of bead portions.
BEAD CORE, MANUFACTURING METHOD OF THE SAME, AND PNEUMATIC TIRE
26.03.2020
Patent
Elektronische Ressource
Englisch
MANUFACTURING METHOD OF BEAD CORE, BEAD CORE, AND PNEUMATIC TIRE
Europäisches Patentamt | 2019
|BEAD CORE, MANUFACTURING METHOD OF THE SAME, AND PNEUMATIC TIRE
Europäisches Patentamt | 2020
|BEAD CORE PRODUCTION METHOD, BEAD CORE, AND PNEUMATIC TIRE
Europäisches Patentamt | 2018
|BEAD CORE PRODUCTION METHOD, BEAD CORE, AND PNEUMATIC TIRE
Europäisches Patentamt | 2024
|