| 摘要 |
PROBLEM TO BE SOLVED: To provide a method for producing a sandwich laminate by a method of producing a sandwich laminate using a resin transfer molding manner, wherein impregnation of a fiber reinforcing material into a resin is excellent and a small amount of void is generated. SOLUTION: In a method for producing a sandwich laminate board wherein a fiber reinforcing material, foamed cores and a fiber reinforcing material are laminated in this order, foamed cores equipped with resin inlets and resin outlets alternatively and substantially in parallel on the both surfaces are used as the foamed cores, and a thermosetting resin is introduced from the resin inlets and discharged from the resin outlets, whereby the fiber reinforced material is impregnated. COPYRIGHT: (C)2008,JPO&INPIT
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