| 摘要 |
The present invention relates to an injection mold having an under cut molded ring which is contracted and expanded and, more specifically, to an injection mold having an under cut molded ring which is contracted and expanded, wherein the injection mold having an under cut molded ring prevents deformation or scratching of a molded product. In addition, the injection mold having an under cut molded ring of the present invention comprises: a lower mold (10) having an inlet hole (12); a stripper mold (20); an upper mold (30) consisting of a first upper mold (31) and a second upper mold (32); an operational mold (40); a core mold (50); an under cut molded ring (60); and an elastic member (70). |
