| 主权项 |
1. A mold system for forming a multilevel block comprising:
a first multilevel mold box insert for forming a first multilevel block, the first multilevel mold box insert having a bottom; a mold box frame adapted for receiving therein the first multilevel mold box insert; a first multilevel plunger assembly comprising a top mounting plate, a first front pair of tubes connected to the top mounting plate and a first front mounting plate connected to the first front pair of tubes, and a first front press plate connected to the first front mounting plate, the first front press plate having a thickness and a top, a first rear pair of tubes connected to the top mounting plate and a first rear mounting plate connected to the first rear pair of tubes, and a first rear press plate connected to the first rear mounting plate, the first rear press plate having a thickness, the first front pair of tubes and the first rear pair of tubes each having a length and both of the lengths being the same, the thickness of the first front press plate being greater than the thickness of the first rear press plate, the differences in the thicknesses of the first front press plate and the first rear press plate for allowing the first front press plate and the first rear press plate to be removed away from the multilevel block when forming the multilevel block without removing any material from the formed multilevel block and the top of the first front press plate not moving below the bottom of the first multilevel mold box insert for releasing the plunger assembly from the multilevel block; and a press head plate adapted for receiving thereon the first multilevel plunger assembly. |
