| 摘要 |
<p>PROBLEM TO BE SOLVED: To enable molding sand to fill into a high density state in a sand filling space, even when a pattern part on a pattern plate has a complicate shape without causing the so-called a bridging phenomenon, in a molding device for a mold provided with the pattern plate, a molding flask, an upper supplemental flask and a sand filling means. SOLUTION: This molding device for the mold is particularly provided with the sand filling means 12 provided with an aeration means 13 fluidizing the molding sand at the lower part and a suction means 9 for sucking to reduce the pressure in the sand filling space.</p> |
