| 摘要 |
PURPOSE:To eliminate the development of parting line mark and bubble by a method wherein a manufacturing machine consists of a filling device to fill an elastic filling mold with filling material, a solidifying device and a withdrawing device and, at the same time, the elastic filling mold is put under negative pressure at the start of filling. CONSTITUTION:A manufacturing machine consists of a filling device 40 to fill the interior of an elastic filling mold 10 with filling material 11, a solidifying device 60 to solidify the filling material 11 and a withdrawing device 70. The elastic filling mold 10 consists of an open bag-like filling part 13 and a fixed part 14. In addition, filling is done under negative ambient pressure by means of a negative pressure mechanism 50. Consequently, an upper cover 51 and a lower cover 52 are brought into close contact with the elastic filling mold 10 from above and below the elastic filling mold 10, and an upper negative pressure source 53 and a lower negative pressure source 54 are put into actuation so as to realize negative pressure in the interior. As a result, no air enters the filling material 11. The solidifying device 60 solidifies the filling material 11 by cooling or heating, depending upon the quality of the filling material 11. The withdrawing device 70 can push out a fill formed item 12 by pushing the item from the side, which is opposite to the opening part, of the elastic filling mold 10 by utilizing the enlargement of the elastic filling mold 10. |
