Sealing disc with an oxygen-absorbing substance

Details Sealing disc with an oxygen-absorbing substance Sealing disc with an oxygen-absorbing substance

B - Operations, Transporting

65

D

B65D 51/24 (2006.01) B65D 53/04 (2006.01)

Patent

CA 2656256

The invention relates to a sealing disk for openings (12) of containers (10), comprising a metal layer (23) used to inject heat by induction, a layer (21) which can be sealed on the container opening (21) and which can be melted by thermal conduction via the metal layer (23). The sealable layer (21) is adjacent to the inside (11) of the container (12) when the sealing disk (20) is placed on the container opening (12). An absorber layer (22) which can extract and/or absorb oxygen from the fluid is provided such that said absorber layer (22) is in contact with the inside of the container (11) when the sealing disk (20) is placed on the container opening (12).

L'invention concerne une rondelle d'étanchéité destinée à des ouvertures (12) de contenants (10) et comprenant une couche métallique (23) apte à l'injection de chaleur par induction, ainsi qu'une couche (21) que la couche métallique (23) peut faire fondre par conduction de chaleur et qui peut être scellée sur l'ouverture (12) du contenant. La couche scellable (21) est voisine de l'intérieur (11) du contenant (10) lors de l'application de la rondelle d'étanchéité (20) sur l'ouverture (12) du contenant. Une couche absorbante (22) qui peut extraire et/ou absorber l'oxygène d'un fluide est conçue de manière à être en contact avec l'intérieur (11) du contenant lors de l'application de la rondelle d'étanchéité (20) sur l'ouverture (12) du contenant.

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