Pt closing device for containers

B - Operations – Transporting – 65 – D

Patent

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Details

B65D 41/34 (2006.01)

Patent

CA 2575598

The invention relates to a closing device on, or for, a sheet metal closing lid to be opened by rotation. Said closing device comprises a covering surface (10), a skirting section (20) located on the edge of the covering surface (10), and a sealing layer (25) which extends (25a; 25b) between a peripheral section of the covering surface and the skirting section. A securing ring (40, 30) consisting of a non-metal has two peripheral sections: a securing section (40) comprising a moulded strip section (41) which protrudes radially inwards and upwards, and a connecting section (30) for applying the securing section (40) to an axially lower end of the skirting section (20). The lower end (21, 21a) of the skirting section, rolled over more than 180~, is at least partially surrounded (32, 32a, 32b) by the connecting section (30), by an inner side of the skirting section.

L'invention concerne un dispositif de fermeture destiné à un couvercle de fermeture conçu pour être ouvert par rotation, réalisé en tôle. Ledit couvercle comporte une partie supérieure (10), un rebord (20) situé sur le bord de la partie supérieure (10), et une couche d'étanchéité (25) s'étendant entre une section périphérique de la partie supérieure et la section de rebord (25a, 25b). Une bague de fixation (40, 30) non métallique présente deux sections périphériques c.-à-d. une section de fixation (40) présentant une section en bande (41) moulée, faisant saillie radialement vers l'intérieur et vers le haut, et une section de connexion (30) destinée à l'insertion de la section de fixation (40) dans une extrémité axialement inférieure de la section de rebord (20). L'extrémité inférieure (21, 21a) de la section de rebord, enroulée sur plus de 180°, est au moins partiellement entourée (32, 32a, 32b) par la section de connexion (30), par un côté intérieur de la section de rebord.

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