| 摘要 |
PURPOSE: A jig for assembling a syringe needle is provided to mark an arrow on the outer circumference of a hub. CONSTITUTION: A jig for assembling a syringe needle comprises a jig frame(30) and a jig pin(40). The jig frame is formed in the shape of a rectangular pipe. In the jig frame, a plurality of holes is punched in a row. In each hole, a jig pin is installed. In the jig pin, an upper body is combined with a lower body. A vibration ring is arranged between the upper body and lower body. The vibration ring is inserted into the upper projection of the lower body.
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