Vessel closing laminate

Details Vessel closing laminate Vessel closing laminate

B - Operations, Transporting

32

B

B32B 29/06 (2006.01)

Patent

CA 2646951

A vessel closing laminate comprising: a seal laminate (1) comprising a bottom subassembfy of layers including a foil layer (5); and a seal substrate attached to the uppermost layer of the bottom subassembly of layers wherein the seal substrate has a bottom foam layer (2) and a top plastic material layer (10) and further includes a free tab (50) lying wholly within the circumference of the seal; a wax layer (11) on top of the plastic material layer of the seal substrate; and an absorbent liner (12) adhered to the plastic material layer of the seal substrate by means of the wax layer.

La présente invention concerne un stratifié permettant la fermature d'un récipient constitué de : un stratifié étanche (1) comportant un sous-ensemble inférieur de couches qui inclut une couche en forme de feuille (5) ; et un substrat étanche attaché à la couche supérieure du sous-ensemble de couches, le substrat étanche comportant une couche inférieure en mousse (2) et une couche de matière plastique supérieure (10) et incluant en outre un anneau libre (50) situé entièrement dans la circonférence du joint d'étanchéité ; une couche de cire (11) par-dessus la couche de matière plastique du substrat étanche ; et une doublure absorbante (12) collée à la couche de matière plastique du substrat étanche au moyen de la couche de cire.

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