Metallic lid for a can

B - Operations – Transporting – 65 – D

Patent

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Details

B65D 43/04 (2006.01)

Patent

CA 2730675

The present lid (20) comprises a bottom wall (21) incorporating a side wall (22) to be seated and axially retained in the interior of a seat (S) defined by an opening (14) of the can (10). The bottom wall (21) comprises a peripheral annular portion (23)), a median portion (24) and a rib portion (25) with the approximate form of an inverted U and joining the peripheral annular portion (23) and the median portion (24). The median portion (24) comprises an annular panel (24a) and a central panel (24b) joined to each other by an axial step portion (24c), an outer peripheral edge of the annular panel (24a) being incorporated to the annular rib portion (25), said axial step portion (24c) being constituted by a material that is plastically deformed from the adjacent annular panel portion (24a) and from the central panel portion (24b).

La présente invention a pour objet un couvercle (20) comprenant une paroi de fond (21) incorporant une paroi latérale (22) devant être positionnée et maintenue axialement à lintérieur dun siège (S) défini par une ouverture (14) de la boîte de conserve (10). La paroi de fond (21) comprend une partie annulaire périphérique (23), une partie médiane (24) et une partie nervure (25) ayant la forme approximative dun U renversé et reliant la partie annulaire périphérique (23) et la partie médiane (24). La partie médiane (24) comprend un panneau annulaire (24a) et un panneau central (24b) reliés lun à lautre par une partie marche axiale (24c), un bord périphérique externe du panneau annulaire (24a) étant incorporé à la partie nervure annulaire (25), ladite partie marche axiale (24c) étant constituée par un matériau qui est déformé plastiquement à partir de la partie panneau annulaire adjacent (24a) et à partir de la partie panneau central (24b).

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