| 摘要 |
PROBLEM TO BE SOLVED: To improve the quality of a molding and to mold the molding stably. SOLUTION: A plasticizing apparatus has a cylinder member to which a molding material is supplied through a molding material supply opening, an injection member which injects the molding material, a negative pressure forming device which forms a negative pressure in the cylinder member, and an opening/closing device 37 which opens/closes a gas stream forming medium hole. Since the opening/closing device 37 is arranged, a gas stream forming medium outside the cylinder member can be made to enter the cylinder member. COPYRIGHT: (C)2007,JPO&INPIT
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