| 摘要 |
PURPOSE: A method for preparing a curved boundary block is provided, to obtain the curved boundary block with the desired round and shape easily. CONSTITUTION: The method comprises the steps of making a tetragonal boundary block by using a basic block frame; transfering the tetragonal boundary block to the second-state molding part where an outer bending frame(10) is fixed, by using a conveyer(40) before the tetragonal boundary block comes to be solidified; and pressing the tetragonal boundary block at the contrary part of the outer bending frame(10) by using a pressing frame(30) to allow the block to be adhered to the outer bending frame(10) and to be bent. |
