| 摘要 |
<p>ATTACHING CLOSURES TO CONTAINERS A processable plastics pot has a seaming ring which is adapted to be double-seamed to the seaming ring of a conventional easy-opening metal closure to attach the closure to the container. The container seaming ring is designed so that the double-seaming operation can be satisfactorily, and reliably achieved over long production runs; various features of the seaming ring are described which are provided for this purpose.</p> |
