| CPC B21C 47/14 (2013.01) | 22 Claims |

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1. An assembly device for assembling or pre-assembling wire portions, the assembly device comprising:
a preparation portion, and
an arrangement device to be detachably attached to the preparation portion to receive assembled or pre-assembled wire portions, the arrangement device including:
a main body having a slit therein, the slit extending along a longitudinal axis of the main body to allow the wire portions to be strung along the slit, and
an adjustment device configured to allow adjustment of a slit width of the slit, the slit width being a space between two opposed longitudinally-extending ends of the arrangement device.
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