| 摘要 |
A metallic lid for a can of the type which presents an opening defining a seating, said lid comprising, in a single piece, a bottom wall which incorporates, superiorly and peripherally, a side wall provided with a free upper edge and designed to be frictionally seated and axially retained in the interior of the seat. According to the invention, the bottom wall comprises a peripheral annular portion adjacent to the side wall, a median portion and an annular rib portion having the cross section in the approximate form of an inverted ‘U’, with the free edges of is lateral legs being respectively incorporated to the adjacent edges of the peripheral annular portion and median portion of the bottom wall. |
