Plastics bottle cork has a core with an outer barrier layer, through multi-component injection molding, to be covered by outer layers

摘要

The plastics bottle cork has an injection molded core (2) and a covering layer (3) of a different injection molded material as a barrier at least at one end side of the cork. The cork is produced by multi-component injection molding for the core section (11) followed by outer covering layers (14a,14b).