| 摘要 |
PURPOSE: A method for manufacturing a plastic mold is provided to semi-permanently extend the service life of a plastic mold and to conveniently construct the plastic mold by lightening the mold. CONSTITUTION: A method for manufacturing a plastic mold is as follows. A frame(200) is manufactured by injecting fused synthetic resin into upper and lower molds of a frame shape. Multiple reinforcing ribs(210) are formed in the frame in a lattice shape. Holes(213) are formed in each corner of the frame. A board is coupled to the manufactured frame.
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