| 摘要 |
The invention relates to a metal cover (1) made up of a part (2) forming a peripheral ring connected at least partly to a part (4) forming a central closure panel by means of a stress-raiser line (3), said central panel (4) being provided with a gripping body (6) having two parts along the length thereof, a lug part (7) fixed to said panel (4) and a central gripping part (8), the gripping part (8) having outlines (8a, 8b) defining the outline thereof (E). According to the invention, the central panel (4), further comprises on the upper side thereof (5), a hollow stamp (10) arranged to ease the gripping of said gripping part (8), arranged outside the outline (E) of said gripping part (8), and a shaped part (10a) of said hollow (10)extends directly adjacent to a part of said outline (E) of the gripping part (8). |
