| 摘要 |
<p>331,549. Mason, W. W. Feb. 28, 1929, [Convention date]. Capsules and like closures.-Relates to paper capsules the flanges of which are folded or pleated to secure them to bottles &c. According to the invention an endless metal reinforcement 10 is completely enclosed in the material of the capsule. The capsule 2 may be formed in two layers between which the metal may be located directly, or within a fold in the inner layer as shown in Fig. 12. Alternatively the metal may be located inside a single layer 80 which is divided to receive it as shown in Fig. 14.</p> |
