摘要 |
The present invention relates to a plastic preform (1) for a container comprising at least one elongate protrusion (10, 12, 13, 14, 15) and/or groove (20), which is obtained by injection moulding. The present invention further relates to a container blow-moulded from such a preform comprising at least one longitudinal protrusion (32, 33, 34) and/or groove and having a continuous inner and outer surface. |