| abstract |
In molding a cement-based product, for example, a flexible plastic mold such as LDPE can be used, and the mold can be deformed, for example, bent to be released. A mold filled with hydraulic material can be supported in the frame, for example, the frame is provided on the upper and lower surfaces to keep the mold in place in cooperation with the mold, And a plug and socket structure that enables stacking in cooperation with the lower frame. |