A guide device includes a guideway through which a steel wire passes when the steel wire is fed to a former. The guideway includes an inner surface. At least a portion of the inner surface includes a slit or recess at a position corresponding to a direction in which the steel wire is bent.
1. A guide device comprising:
a guideway through which a steel wire passes when the steel wire is fed to a former, wherein
the guideway includes an inner surface, and
at least a portion of the inner surface includes an indentation at a position corresponding to a direction in which the steel wire is bent.
2. The guide device according to claim 1 , wherein the indentation extends in a direction in which the guideway extends.
3. The guide device according to claim 1 , wherein the guideway includes an inlet that widens toward upstream from downstream in a feeding direction of the steel wire.
4. The guide device according to claim 1 , wherein the guideway includes an outlet that widens toward downstream from upstream in a feeding direction of the steel wire.
5. The guide device according to claim 1 , wherein the guideway includes an outlet to which a rotation element is coupled.
6. The guide device according to claim 1 , wherein the indentation is adapted to limit contact of the bent steel wire with an inner portion of the guideway and to limit twisting of the steel wire in the guideway.