Child-resistant closure, container and package

Details Child-resistant closure, container and package Child-resistant closure, container and package

B - Operations, Transporting

65

D

B65D 50/04 (2006.01) B65D 41/04 (2006.01)

Patent

CA 2545453

A child-resistant package (20) includes a container (24) having a finish (28) with an open end (36), at least one external thread (34), at least one stop lug (32) projecting radially outwardly from the finish, and a closure (22) having a base wall (56), a skirt (60) with at least one internal thread (64) for engagement with the thread on the container finish, at least one spring element (58), and at least one pair of internal lugs (76, 78) on the skirt and extending radially inwardly from the skirt. Each pair of lugs on the skirt includes a first lug (76) that cooperates with the stop lug on the container finish to prevent unthreading of the closure from the finish absent pressure on the closure against the spring element to push the first lug on the skirt beneath the corresponding stop lug on the container finish, and a second lug (78) circumferentially spaced from the first lug that cooperates with the stop lug on the container finish to prevent "over-threading" or over tightening of the closure on the finish.

L'invention concerne un emballage de protection à l'épreuve des enfants (20) comprenant un conteneur (24) ayant une finition (28) présentant une extrémité ouverte (36), au moins un filet externe (34), au moins un ergot de blocage (32) faisant saillie radialement vers l'extérieur depuis la finition, et une fermeture (22) ayant une paroi de base (56), une jupe (60) présentant au moins un filet interne (64) destiné à épouser le filet ménagé sur la finition du conteneur, au moins un élément de ressort (58), et au moins une paire d'ergots internes (76, 78) sur la jupe et s'étendant radialement vers l'intérieur depuis la jupe. Chaque paire d'ergots sur la jupe comprend un premier ergot (76) coopérant avec l'ergot de blocage sur la finition du conteneur afin d'éviter le dévissage de la fermeture sous l'effet d'une pression exercée sur la fermeture à l'encontre de l'élément ressort afin de pousser le premier ergot sur la jupe au-delà de l'ergot de blocage correspondant sur la finition du conteneur et un seconde ergot (78) espacé de manière périphérique du premier ergot coopérant avec l'ergot de blocage sur la finition du conteneur afin d'éviter un excès de vissage ou de serrage de la fermeture sur la finition.

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