Composite closure having disk tightening feature

Details Composite closure having disk tightening feature Composite closure having disk tightening feature

B - Operations, Transporting

65

D

B65D 51/14 (2006.01) B65D 41/34 (2006.01)

Patent

CA 2469907

A composite closure (10, 10', 10a) includes a band (14, 14', 14a) and an insert disk (12) having a peripheral curl (26) and an annular channel (18). An oblique contact surface (36, 36') on the band (14, 14', 14a) urges downwardly against the curl (26) of the disk (12) even while the band (14, 14', 14a) moves longitudinally relative to the disk (12). The closure (10, 10', 10a) has a fully tightened position in which the band's ring (32, 32a) contacts the disk's annular channel (18), a loose position in which the ring (32, 32a) is spaced apart from the annular channel (18), and an intermediate tightened position in which the ring (32, 32a) is spaced apart from the disk (12) and in which the contact surface (36, 36') urges against the curl (26). When the closure (10, 10', 10a) reaches its loose position, a retaining bead (34) presses upwardly against the disk (12).

Une fermeture composite (10, 10', 10a) comprend une bande (14, 14', 14a) et un disque inséré (12) comportant une boucle périphérique (26) ainsi qu'un canal annulaire (18). Une surface de contact oblique (36, 36') sur la bande (14, 14', 14a) agit vers le bas contre la boucle (26) du disque (12) même si la bande (14, 14', 14a) se déplace longitudinalement par rapport au disque (12). La fermeture (10, 10', 10a) a une position complètement serrée dans laquelle l'anneau de la bande (32, 32a) se met en contact avec le canal annulaire (18) du disque, une position libre dans laquelle l'anneau (32, 32a) est espacé du canal annulaire (18), et une position de serrage intermédiaire dans laquelle l'anneau (32, 32a) est écarté du disque (12) et dans laquelle la surface de contact (36, 36') s'appuie contre la boucle (26). Lorsque la fermeture (10, 10', 10a) atteint la position libre, un boudin de rétention (34) est poussé vers le haut, contre le disque (12).

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