| 摘要 |
The support has a profiled strip, which is wound in the shape of spiral, where the profiled strip is welded along a spiral shaped contact surface, which is formed by adjacent profiled strip sections, under formation of a welded seam. The profiled strip consists of thermo plastically processed material. Filling and reinforcement materials are provided to the thermo plastically processed materials. Particle size of the filling and reinforcement materials is lesser than 50 micrometers. |
