| 摘要 |
A closure device for fluid-tight closure of an opening of a fluid container. The device comprises a casing part (1) and a cap part (2). These parts are injection molded from different plastic materials, preferably from PVC and polypropylene, respectively, one partially against the other. A tubular portion (12) of the cap part (2) intrudes sealingly into a substantially cylindrical hollow space between an internal and an external sleeve portion (3,4) of the casing part (1). |
