| 摘要 |
The invention relates to an drainage element (1) consisting of plastic, and to a method for producing same, comprising at least one opening (3) into which an insert (2) is inserted, said insert (2) having a surface that is harder than the drainage element (1) and having, on its outer circumference, at least one locking projection (2h) with a locking surface (2c), the drainage element (1) having, in said opening (3), at least one latching surface (1c) that is formed by a recess in the lateral surface of said opening (3), the insert (2) being able to be pressed into the opening (3) and, when inserted, the locking surface (2c) of the locking projection (2h) of said insert (2) engaging with the latching surface (1c) such that said insert (2) is form-fittingly secured in the opening (3) of the drainage element (1) and thus cannot be pulled out. |
