Closure with tapered ribs

B - Operations – Transporting – 65 – D

Patent

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Details

B65D 41/04 (2006.01) B65D 41/34 (2006.01) B65D 43/03 (2006.01)

Patent

CA 2239655

A closure for use with an associated container having a finish with an external securing member formed thereon, includes a closure cap having an enlarged top wall portion defining an outermost edge and an annular skirt portion depending from the top wall portion inwardly of the outermost edge. The skirt portion has an outer wall and an inner wall having an internal securing member engageable with the container external securing member. The closure cap includes a plurality of parallel, spaced apart, tapered ribs. At least some of the ribs extend between the top wall portion and the skirt outer wall. Each rib defines an outer edge and tapers inwardly or thins from the closure cap to the outer edge to define a region adjacent to a juncture of each rib and the closure cap having a cross-sectional area that is greater than a cross-sectional area at the outer edge of each respective rib. The ribs can taper in one or more directions. The ribs are separated from one another by parallel recessed regions.

Fermeture utilisée avec un contenant ayant un bord supérieur muni d'un élément de fixation externe formé sur ce dernier. La fermeture comprend un couvercle à partie supérieure élargie définissant un bord extérieur et une jupe annulaire dépendant de la partie supérieure, mais à l'intérieur du bord extérieur. La jupe comprend une paroi extérieure et une paroi intérieure ayant un élément de fixation interne qui s'engage avec l'élément de fixation externe du contenant. Le couvercle inclut plusieurs nervures effilées, écartées et parallèles. Au moins certaines de ces nervures se prolongent entre la partie supérieure et la paroi extérieure de la jupe. Chaque nervure définit un bord extérieur et se rétrécit vers l'intérieur ou s'amenuise depuis le couvercle vers le bord extérieur de façon à définir une section contiguë à la rencontre de chaque nervure. Le couvercle comprend une surface en coupe plus élevée que celle du bord extérieur de chaque nervure. Les nervures peuvent rétrécir dans une ou plusieurs directions. Elles sont séparées l'une de l'autre par des parties en retrait parallèles.

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