发明名称 METHOD FOR PRODUCING BEAD MEMBER, AND BEAD MEMBER
摘要 PROBLEM TO BE SOLVED: To provide: a method for producing a bead member ensuring that the position of a bead core in a tire is a stable proper position; and the bead member.SOLUTION: A method for producing a beam member includes: a rubber coating step of coating an annular bead core 2, except for a partial peripheral surface thereof, with a rubber member 3 so as to constitute a bead member structure 1'; and a press step of pressing the bead member structure 1' in a center direction of the cross section of the bead member structure 1' so as to form a bead member 1 having a predetermined shape. A bead member is formed in a predetermined shape in which an annular bead core except for a partial peripheral surface thereof is coated with a rubber member.
申请公布号 JP2014015005(A) 申请公布日期 2014.01.30
申请号 JP20120155118 申请日期 2012.07.11
申请人 BRIDGESTONE CORP 发明人 SANADA YOHEI
分类号 B29D30/48 主分类号 B29D30/48
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