| 摘要 |
<p>A method of moulding an article, the article having elongate openings therein, the method comprising placing a core in a cavity of a die set, the core being supported at a first end by a core holder and at a second end by a movable sleeve mounted in and being movable relative to the cavity and the core. Material is injected into the cavity to commence to form the article. The movable sleeve is moved along the cavity to support the core while forming the article. A corresponding apparatus, and a sleeve for use in the method and apparatus, are also disclosed.</p> |
