| 摘要 |
PROBLEM TO BE SOLVED: To eliminate a fear of bringing about a flash on an inner surface without necessity of an operation for cleaning a core mold. SOLUTION: In the method for molding a reinforced plastic tube comprising the steps of winding strips 2 each having a mold releasability on a rear surface and a protrusion and recess part on a front surface around a core die 1 so that a rear surface of the strip 2 is brought into contact with the die 1, and winding a molding material made of reinforced fibers impregnated with thermosetting resin from above it, thereby molding the tube having the protrusion and recess part on an inner surface; edges of the strips 2 are spirally wound around the die 1 to be laminated. |
