| 摘要 |
A large surfboard or paddleboard cannot be carried in an automobile or a train, but it is extremely convenient if it can. A board using carbon fiber or glass fiber and an epoxy resin for weight reduction is divided into two parts, two holes are provided in each cut surface, a female pipe is inserted in each hole, two male pipes to be fitted in each of the female pipes are used for matching the both with each other, and both cut surfaces are firmly fixed by a screw and a swing-preventing plate. Alternatively, a retaining member using projections and recesses are provided and the both cut surfaces are abutted to each other, and the cut surfaces are firmly fixed. As above, the board which can be carried in a train or in an automobile and in which bonding in use is extremely easy and reliable is provided.
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