High barrier packages for smoking articles and other products

B - Operations – Transporting – 65 – D

Patent

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Details

154/119, 190/38,

B65D 85/10 (2006.01) B32B 27/08 (2006.01) B65D 65/40 (2006.01)

Patent

CA 2039970

A high barrier sealable packaging material and a high barrier heat sealed package for smoking articles, such as cigarettes and the like, are disclosed. The packaging material comprises a base layer of a polymeric film, such as a biaxially oriented polyethylene terephthalate (PET) film which has been metallized on one surface thereof with a layer of metal, such as aluminum. The metallized film is then imprinted with ink with a design and/or printed matter on either the metallized or unmetallized surface. Subsequently to or concurrently with the printing, a heat seal layer is applied to the printed and/or unprinted surface for forming a heat seal about which the material is wrapped. In one embodiment, the high barrier packaging material is used as an overwrap for a cigarette package having a tear type for removing one end of the overwrap. In another embodiment, the high barrier packaging material is used as an overwrap for a carton containing a plurality of cigarette packages and having a tear tape for removing one end of the carton overwrap.

Présentation d'un matériau d'emballage haute barrière scellable et d'un emballage haute barrière scellé à la chaleur pour des articles à fumer, comme les cigarettes, et le reste. Le matériau d'emballage comprend une couche de base en film polymère, comme un film de polyéthylène de téréphtalate (PET) orienté bi-axialement qui a été métallisé sur une surface au moyen d'une couche de métal, comme l'aluminium. Le film métallisé reçoit alors une impression à l'encre d'un motif et/ou d'un texte soit sur la surface métallisée, soit sur la surface non métallisée. Après l'impression ou simultanément à celle-ci, une couche de thermoscellage est appliquée à la surface imprimée et/ou non imprimée pour former un joint thermoscellé sur lequel le matériau est enroulé. Dans une application, le matériau d'emballage haute barrière sert de suremballage à un paquet de cigarettes muni d'une bandelette d'arrachage utilisée pour enlever une extrémité du suremballage. Dans une autre application, le matériau d'emballage haute barrière sert de suremballage à une cartouche qui contient plusieurs paquets de cigarettes et qui est munie d'une bandelette d'arrachage utilisée pour enlever une extrémité du suremballage.

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