| 摘要 |
<p>The joining unit has a joining point of the pieces of the non-woven material (1), where the joining point is realized by gradual combing out of the non-woven material end area. The joining point has similar characteristics compared to the basic material (2). The pieces of non-woven material are made of organic nature, e. g. synthetic fiber, such as polyester, polyacrylnitrile or aramide, natural fiber, e.g. viscose, cotton wool and flax or inorganic nature,e. g. silicate base, fiber on basalt base and glass fiber.</p> |
