Sealing closures

B - Operations – Transporting – 65 – D

Patent

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Details

B65D 33/24 (2006.01) A44B 18/00 (2006.01) B65D 33/25 (2006.01)

Patent

CA 2405094

A reclosable closure (10) consists of two longitudinally continuous strips (12) and (14) which, when facially engaged, are held together by hook and loop fastening principles. The inner side of one strip (12) has two fields of hook- engageable loops (16), separated by a female seal profile portion (20). The inner side of the other strip (14) has two fields of molded hook elements (18) arranged to engage the loops (16) to hold the closure (10) in its closed condition, and a central male seal profile portion (22) for engaging the female seal profile portion (20) to form a seal when the closure is closed. Another reclosable closure is held together by hook and loop fastening principles and includes a resilient bead (74) that is compressed between opposing sides of the closure, or between spaced rails (70) of an opposing side of the closure, when the hooks (18) and loops (16) of the closure are engaged. The closure (10) is useful, for example, as a bag closure.

L'invention concerne une fermeture réutilisable (10) constituée de deux bandes continues longitudinales (12) et (14) qui, lorsqu'elles sont engagées faces l'une contre l'autre, sont maintenues ensemble par des principes d'attache de crochet et de boucle. La face intérieure d'une bande (12) comporte deux champs de boucles (16) pouvant s'engager avec des crochets, séparés par une partie à profil d'étanchéité femelle (20). La face intérieure de l'autre bande (14) comporte deux champs d'éléments crochets moulés (18) disposés afin d'engager les boucles (16) de manière à maintenir la fermeture (10) dans sa position fermée, et une partie centrale à profil d'étanchéité mâle (22) destinée à s'engager avec la portion à profil d'étanchéité femelle (20) afin de former un joint étanche lorsque l'on a procédé à la fermeture. Une autre fermeture réutilisable est maintenue fermée au moyen de principes d'attache de crochet et de boucle et comprend un bourrelet souple (74) comprimé entre deux faces opposées pour la fermeture, ou entre des rails espacés (70) d'une face opposée de la fermeture lorsque les crochets (18) et les boucles (16) de la fermeture sont engagés. La fermeture (10) est utile, par exemple comme fermeture de sac.

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