| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a production method of a preform by which a base material used as a base cloth does not remain as foreign matter in a molded part after molding and the preform can be produced efficiently, and by the method all processes until a molded part is produced are performed efficiently at low cost, and to provide a preform produced by the same method.SOLUTION: The production method of a preform by sewing a reinforcement fiber material on a base material is used for molding of a fiber reinforcement plastic molded part which uses a preform as a base material and the base material remains in the molded part after molding.</p> |
