| 摘要 |
The invention relates to a tube having a tubular-shaped cover made of by resin (3), preferably vinyl ester or polyester. The invention also relates to a method for the use thereof. According to the invention, fibre glass small tubes (2) that are cut to length are embedded in the resin (3) forming the tube (1) and values of the length of the fibre glass small tubes (2) on both cover surfaces (1a, 1b) of the tube (1) are predetermined and different from each other. |
