| 摘要 |
In a device for producing plastic caps by injection moulding, the mould tool of which is composed of a hollow mould body (22) and a core which projects thereinto and can be inserted into the mould body (22) maintaining the cavity determining the cap (10) to be injection moulded, the core consists of three rotational bodies which are arranged concentrically to one another and have a common axis, of which the inner part (28) and the outer part (26) are arranged rigidly and the centre part (27) is rotatable about the axis. <IMAGE>
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