To obtain a durable and glossy tubular article, such as fishing rod, free from the peeling or release of the surface portion by forming the surface of a tubular article main body formed by winding a prepreg prepared by impregnating reinforcing fibers with a synthetic resin, in a mirror surface state having a specific roughness or less.
This tubular article is obtained by forming the surface of a tubular article main body, which is formed by winding a prepreg prepared by impregnating reinforcing fibers with a synthetic resin, in a mirror surface state having polished marks expressed by a central line average roughness (Ra) of ≤0.04 μm, preferably <1 μm, preferably having the polished marks in the longitudinal direction. The tubular article is used as an tool for one of various sports, such as a shaft for a golf club, a stock for ski. It is preferable that a spiral projection or depression is formed on the surface of the tubular article main body.
WO2003032715 | TANGLE FREE FISHING POLE |
OTSU TAKENORI