| 摘要 |
<p>A screw thread (30) is provided in which at least part of the thread is comprised of one or more anti-rotation formations (40). A container neck (10) having a screw thread (30) at least part of which is comprised of one or more anti-rotation formations (40) is also provided. The combination of a container neck (10) and a closure (70) including cooperating screw threads (30, 78) is also provided, in which one or both of the neck and closure screw threads is comprised of one or more unidirectional anti-rotation formations (40, 82) for preventing unscrewing of the closure after application to the neck.</p> |
