A bead member manufacturing method in the present invention includes a bead core forming step of winding and stacking a bead wire from a winding start end to a winding finish end and forming a bead core having an annular shape, the bead wire being formed by coating an outer circumferential surface of a metal wire with a topping rubber; and a bead wire banding step of winding a tape-shaped rubber around one or both of the winding start end and the winding finish end, wherein tackiness of the tape-shaped rubber is higher than tackiness of the topping rubber.
BEAD MEMBER MANUFACTURING METHOD, A BEAD MEMBER AND A PNEUMATIC TIRE
2020-04-30
Patent
Elektronische Ressource
Englisch
BEAD MEMBER MANUFACTURING METHOD, A BEAD MEMBER AND A PNEUMATIC TIRE
Europäisches Patentamt | 2020
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