| 摘要 |
<p>RING FOR SEALING AND STORAGE OF A SPOOL OF RECORDING TAPE A ring for sealing and storage, a spool of recording tape comprising a band of flexible and èxtensible matter intended for surrounding a spool and equipped with a hook and a loop for closure and tension. The band, the loop and its link for hingeing onto the band, are all in one piece, the hingeing of the link being ensured by zones of reduced thickness. The whole is moulded on the flat, since when the link is made to pivot backwards the first time, being equipped with ramps it passes by a column by elastic deformation, a return of the link into the original position being then prevented so as to obtain a pre-hooking position of the loop. ---ooo0ooo---</p> |
