| 摘要 |
<p>The invention relates to an improved seal comprising: a thin body (1) which is solidly connected to a panel (2) and which is intended to be housed in a tubular passage using support means; and a head (3) which is connected to the panel (2) by means of a weakened portion of material (4) which forms a rupture line and which enables the seal to be used with the head (3) connected to, or detached from the panel (2). According to the invention, the head (3) comprises an outer tubular body (31), a metal plate (32) which is used to support the thin element (1) in the closed position and an inner tubular body (33) which is mounted coaxially, together with the metal plate (32), inside said outer tubular body (31).</p> |
