Tabbed container seal and method of manufacture

B - Operations – Transporting – 65 – D

Patent

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Details

B65D 55/02 (2006.01) B32B 15/08 (2006.01) B32B 37/00 (2006.01) B65D 39/00 (2006.01)

Patent

CA 2662268

An improved container seal including at least one metal-free tab member is provided. The container seal comprises a flexible, metal-free cover sheet and a flexible sealant sheet. The cover sheet comprises at least one layer of a flexible sheet material and includes a body portion that is sized and shaped to at least cover a container finish and has at least one metal-free tab portion extending from the periphery of the body portion. The flexible sealant sheet comprises a thermoplastic sealing surface layer, an inner surface layer and a layer of metal foil. The flexible sealant sheet is of the same size and shape as the body portion of the cover sheet. The inner surface of the sealant sheet and the inner surface of the body portion of the cover sheet are bonded together in opposed, congruent contact with each other.

L'invention concerne un joint de récipient amélioré comprenant au moins un élément de languette sans métal. Ce joint de récipient comprend une feuille de protection flexible sans métal et une feuille d'étanchéité flexible. La feuille de protection comprend au moins une couche de matériau en feuille flexible et inclut une partie de corps dont la dimension et la forme peuvent recouvrir au moins une finition de récipient, et comprend au moins une partie formant languette sans métal s'étendant depuis la périphérie de la partie de corps. La feuille d'étanchéité flexible comprend une couche de surface d'étanchéité thermoplastique, une couche de surface interne et une couche de film métallique. La feuille d'étanchéité flexible est de la même dimension et de la même forme que la partie de corps de la feuille de protection. La surface interne de la feuille d'étanchéité et la surface interne de la partie de corps de la feuille de protection sont collées ensemble en contact congruent opposé l'une avec l'autre. L'invention concerne également un procédé de fabrication de joint de récipient.

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