| 摘要 |
PROBLEM TO BE SOLVED: To provide a frameless mold forming machine capable of easily manufacturing a frameless mold provided with a desired shape, adequate tightening strength, hardness, etc. SOLUTION: A pattern plate 30, whose surface is formed integrally with a mold 28, forming respectively a molding space 32 in each forms 10, 12 by being held and positioned between two forms 10, 12 held buttedly each other, is constituted by sticking a plurality of plate materials 46, 48, and an air discharge path 50 opening on the side face thereof is formed inside the pattern plate 30 by providing a groove extending to the peripheral part and opening in the side direction in the peripheral part on the sticking face to the other plate material 46 in at least one plate material 46 out of the plurality of the plate material 46,48, and a vent hole 54 communicating the air discharge path 50 and the molding space 32 each formed with an opening is formed on the pattern plate 30 and/or the mold 28. |
