A container closure

B - Operations – Transporting – 65 – D

Patent

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Details

B65D 51/20 (2006.01) B65D 43/02 (2006.01)

Patent

CA 2292607

The invention concerns a closure for a cylindrical can (10). The closure includes a flexible member (11) of the easy-open type secured across the open end of the can (10). A rigid, screw cap (22) is screwed over the thus sealed end of the can. An annular, resilient member (24) depending downwardly from the underside of the end wall of the cap (22), engages the membrane (11) in the vicinity of the end flange (18) of the can body (10), thereby strengthening the seal between the membrane (11) and the flange (18). This advantageously permits cooking of the contents of the can with the flexible membrane (11) in situ, thereby giving rise to a can having an easy-open end, the contents of which can are cooked and sterilized using conventional processing lines.

Cette invention se rapporte à une fermeture pour une boîte cylindrique (10). Cette fermeture comprend un élément flexible (11) du type facile à ouvrir fixé sur l'extrémité ouverte de la boîte (10). Un bouchon à vis rigide (22) est vissé sur l'extrémité ainsi scellée de la boîte. Un élément élastique annulaire (24), s'étendant vers le bas à partir de la face inférieure de la paroi terminale du bouchon (22), vient en contact avec la membrane (11) à proximité de la bride terminale (18) du corps de la boîte (10), renforçant ainsi la jointure étanche entre la membrane (11) et la bride (18). Cette conception a l'avantage de permettre la cuisson du contenu de la boîte, alors que la membrane flexible (11) reste in situ, donnant ainsi une boîte ayant une extrémité facile à ouvrir, dont le contenu peut être cuit et stérilisé dans les chaînes de traitement traditionnelles.

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