| 摘要 |
PROBLEM TO BE SOLVED: To manufacture boots being lighter in weight and homogeneous. SOLUTION: On the occasion of injection molding of the boot B having a main-body tube part Bh and a sole part Bt, a molding material is injected from a cavity for forming the thin-wall main-body tube part Bh and is poured into a cavity for forming the thick-wall sole part Bt. Thereby the boot B is made lighter in weight and homogeneous. |
