| 摘要 |
<p>The present invention is applied to cans presenting a tubular body (10), inferiorly closed by a bottom wall (12) and superiorly closed by any of the parts defined by a removable lid (20), or by a set formed by an annular upper wall (16) and by a lid (20) which is seated on a seat defined in the annular upper wall (16). The inspection window comprises: a seat (40) provided in any of the parts defined by the lid (20), annular upper wall (16), and lateral wall (11) of the tubular body (10), said seat (40) presenting an outer annular surface (41) and an inner annular surface (42); and a plug (50) of transparent polymeric material, permanently fitted on the seat (40) and presenting a median panel portion (51) incorporating a peripheral upper flange (52), seated onto the outer annular surface (41) of the seat (40), and a peripheral lower ridge (53) tightly seated against the inner annular surface (43) of the seat (40).</p> |
