| 摘要 |
PURPOSE:To suppress deformation of a resin molding min. by pressing a hollow part of the prim. molding by feeding a gas when a reinforcing material-contg. resin material is filled. CONSTITUTION:A resin path 102a opened on a part facing a recessed groove 12a on the inner face of a mold 102 is formed in the mold 102a and is connected with a resin feeding pipe 104. In addition, an air feeding pipe 106 is buried so as to communicate with an air blowing inlet 12b. Then, after a frame main body 12 is set in the molds 100 and 102 and the molds are clamped, a molten resin material is injected in the recessed groove 12a through the resin feeding pipe 104 and the resin path 102a to form a reinforcing material-contg. resin layer 14. At the same time, a compressed air is fed in a hollow part 12c through the air feeding pipe 106 and the air blowing inlet 12b to press the hollow part 12c. It is possible to suppress deformation of the frame main body 12 caused by the injection pressure of the resin material to be min. |
