Closure with enhanced removal capability

B - Operations – Transporting – 65 – D

Patent

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Details

B65D 41/04 (2006.01)

Patent

CA 2521090

A closure (20, 20A) is provided for an opening in a container (22) having a wall (24) around the opening and at least one thread (28) on the wall (24). The closure (20, 20A) includes (1) an attachment wall (36) defining at least one thread (40) for threadingly engaging the container wall thread (28), (2) an occlusion wall (42, 42A) closing the attachment wall (36) to occlude the container opening when the container is in the closed position, and (3) a continuously curving, peripheral, finger-engaging surface (72, 72A) which defines (1) a plurality of circumferentially spaced protuberances (74), (2) a finger-receiving recess (76) between adjacent protuberances (74), and (3) a finger-engaging rib (80) projecting laterally from each of the protuberances (74).

La présente invention concerne un dispositif de fermeture (20, 20A) destiné à une ouverture pratiquée dans un récipient (22) qui présente une paroi (24) qui entoure l'ouverture, et au moins un filet (28) disposé sur la paroi (24). Le dispositif de fermeture (20, 20A) comprend : (1) une paroi de fixation (36) qui définit au moins un filet (40) permettant le couplage par filetage avec le filet (28) de la paroi du récipient, (2) une paroi d'obstruction (42, 42A) qui referme la paroi de fixation (36) pour obstruer l'ouverture du récipient lorsque celui-ci est en position de fermeture ; et (3) une surface de préhension périphérique à courbure continue (72, 72A) qui définit (1) une pluralité de parties en saillies (74) espacées entre elles sur la circonférence, (2) une partie en retrait de placement de doigt (76) située entre les parties en saillie adjacentes (74), et (3) une nervure de préhension (80) qui se projette latéralement à partir de chaque partie en saillie (74).

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