Can closure arrangement

B - Operations – Transporting – 65 – D

Patent

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Details

B65D 43/06 (2006.01)

Patent

CA 2666801

A closure arrangement for cans and pots comprising a tubular body (1) having a side wall (10) whose upper edge (10a) defines a seat for a lid (20). The upper edge (10a) comprises a peripheral annular flange (11) carrying, in a free outer edge, a continuous rib (12) with a cross-section contour comprising two opposite circle arc portions (12a), with curvature centers disposed in the same plane (P) orthogonal to the axis of the tubular body (1), the lid (20) being inferiorly provided with a continuous circumferential groove (24) to be seated against the respective circle arc portions (12a) of the continuous rib (12), so as to axially lock the lid (20) in the tubular body (10). An annular gasket (30) is carried by one of the parts of peripheral annular flange (11) and lid (20), to be pressed by the other of said parts upon closing the lid.

La présente invention se rapporte à un dispositif de fermeture de boîtes de conserve et de pots comprenant un corps tubulaire (1) ayant une paroi latérale (10) dont le bord supérieur (10a) définit une embase pour un couvercle (20). Le bord supérieur (10a) comprend un rebord annulaire périphérique (11) supportant, sur un bord externe libre, une nervure continue (12) avec un contour transversal comprenant deux parties opposées en forme d'arc de cercle (12a), dont les centres de courbure sont disposés dans le même plan (P) de façon orthogonale à l'axe du corps tubulaire (1). À sa partie inférieure, le couvercle est pourvu d'une rainure circonférentielle continue (24) qui est placée contre les parties respectives en forme d'arc de cercle (12a) de la nervure continue (12) de sorte à verrouiller axialement le couvercle (20) sur le corps tubulaire (10). Un joint d'étanchéité annulaire (30) est supporté par l'une des parties du rebord annulaire périphérique (11) et par le couvercle (20) qui doit être pressé par l'autre desdites parties lors de sa la fermeture.

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