| 摘要 |
<p>Method of manufacturing a hollow plastics article by means of injection moulding and by using a core which is inserted in a mould. The core (15) is formed by a container (12) which is filled with non-compressible material, such as liquid or liquid frozen to solid form. The article (10) is moulded around the core. After the injection moulding the material is removed through an opening in the article and the container, respectively, whereas the container remains in the article in order to form a part which is integrated with the article. </p> |
