A production method for a bead core of the present disclosure includes a forming step of forming a plurality of one or more types of annular bodies, each of which is formed by winding a strip member two or more turns, and a joining step of joining the plurality of one or more types of annular bodies to one another in an axial direction of the annular body. A bead core of the present disclosure is formed by joining one or more types of a plurality of annular bodies in an axial direction of the annular body, each of the annular bodies being formed by winding a strip member two or more turns. A pneumatic tire of the present disclosure includes a pair of bead portions, and the above-described bead core in the bead portion.
PRODUCTION METHOD FOR BEAD CORE, BEAD CORE AND PNEUMATIC TIRE
02.04.2020
Patent
Elektronische Ressource
Englisch
BEAD CORE PRODUCTION METHOD, BEAD CORE, AND PNEUMATIC TIRE
Europäisches Patentamt | 2018
|BEAD CORE PRODUCTION METHOD, BEAD CORE, AND PNEUMATIC TIRE
Europäisches Patentamt | 2024
|MANUFACTURING METHOD OF BEAD CORE, BEAD CORE, AND PNEUMATIC TIRE
Europäisches Patentamt | 2019
|