| 摘要 |
PURPOSE:To enhance the appearance of a product by clearly forming a parting line at the boundary of a different kind of materials, by a method wherein the parting line provided to a skin material formed into a three-dimensional shape along the shape of a core material is plotted at first as the parting line at the time of development and the parting line at the time of development is preset to the skin material held to a sheet state before molding. CONSTITUTION:The predetermined parting line formed to the skin material 3 molded in the state of being adhered to the surface of a core material 2 is plotted to a skin material 2 held to a sheet state before molding as the parting line 14 at the time of development to be set. Next, a different kind of materials 6, 9 are mutually subjected to sewing processing across the parting line 14 at the time of development and the skin material 3 is formed to said sewn part so as to provide air non- permeability. Then, the skin material 3 is softened under heating and inserted in the groove part 5 provided along the parting line 14 of the core material 2, wherein the sewn part 15' of the skin material is premolded, in a recessed state and, thereafter, the skin material 3 is integrally adhered to the surface of the core material 2 by vacuum molding. By this method, workability is markedly simplified and the integral feeling of a different kind of materials can be developed. |
