| 摘要 |
A method for manufacturing a stranded bead wire includes rotating an annular core wire in the circumferential direction thereof, while repeating a pseudo linear reciprocating motion of a reel around which a steel wire is wound to have an outside diameter smaller than that of the annular core wire, in which motion the reel is displaced approximately in a radial direction of the annular core wire in a way that it is relatively displaced in an approach direction on one side of a plane crossing the annular core wire, then passed through inside thereof, and displaced in a direction of distance increase on the other side of the plane, whereby the steel wire is tightly wound onto the annular core wire in a spiral pattern. A stranded bead wire manufacturing apparatus includes a core wire rotating means for rotating an annular core wire; a free rotational reel around which a steel wire is wound to have an outside diameter smaller than that of the annular core wire; and a reciprocable displacement means for repeating the pseudo linear reciprocating motion of the free rotational reel relative to the annular core wire, wherein, while the annular core wire is rotated, the free rotational reel repeats the pseudo linear reciprocating motion, whereby the steel wire is tightly wound onto the annular core wire in a spiral pattern.
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