用于罐的金属盖。
专利摘要
一种用于罐的金属盖，该罐具有限定座部的开口，所述盖包括单件式的底壁，该底壁在上方和周围结合有侧壁，侧壁具有自由上边缘，并设计用于摩擦地座置并轴向保持在座部内部。根据本发明，底壁包括邻近侧壁的周边环形部分、中间部分和横截面近似倒“U”形的环形肋部分，其侧腿的自由边缘分别结合到底壁的周边环形部分和中间部分的相邻边缘。
Original abstractA 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.
专利附图（8）
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