| 摘要 |
The invention relates to a disposable plastic seal composed of a plastic body (1) with the incorporated string (8) sticking out from one or both sides of the body and bearing at the free end an integral anchor-like element (5-6)composed of the cylindrical body (5), the head (6) having the shape of a troncated cone, and the intermediate cylindrical neck (6). On the body (1) there is at least one cylindrical socket (7) designed to receive the anchor-like element (5,6) and hold it via internal semi-cylindrical projections (9). Both sides of the body (1) are covered by two caps (2) having internally at least two hook-shaped projections (3) which are mutually engaged when the caps are pressed onto the two faces of the body (1) and into the peripheral ridges (1) thereof in a undetachable manner. |
