Packaging process utilizing reclosable package having...

Details Packaging process utilizing reclosable package having... Packaging process utilizing reclosable package having...

B - Operations, Transporting

29

C

B29C 65/76 (2006.01) B32B 27/08 (2006.01) B65D 65/40 (2006.01) B65D 77/20 (2006.01) C08L 23/08 (2006.01) B65B 25/00 (2006.01)

Patent

CA 2566110

A product is packaged in a pressure-reclosable package comprising a multilayer film having a heat-sealable, pressure-reclosable inside layer. The inside layer contains a hyperbranched polyolefin having at least 70 side chain branches per 1000 carbon atoms and a density of up to about 0.885 g/cc, and/or an ethClen5/alpha-olefin elastomer having a density of up to about 0.885 g/cc. The package is opened and a portion of the product removed, and a pressure- induced seal is used to re-close the package at a temperature of at least 11 ~C. The reclosed package is then placed in an environment having a temperature of from about -50~C to +10~C, so that a cooled pressure-reclosed seal at least doubles in strength.

Un produit est emballé dans un emballage à fermeture pression comprenant un film multicouche dont la couche intérieure est thermocollable et à fermeture pression. La couche intérieur contient une polyoléfine hyper-ramifiée, présentant au moins 70 ramifications latérales en chaîne pour 1000 atomes de carbone et une densité pouvant atteindre environ 0,885 g/cc et/ou un élastomère ethClen5/alpha-oléphine ayant une densité pouvant atteindre environ 0,885 g/cc. L~emballage est ouvert et une partie du produit est retirée, et une fermeture pression hermétique est utilisée pour refermer l~emballage à une température d~au moins 11 ·C. Le paquet refermé est en suite placé dans un environnement dont la température est à peu près comprise entre -50·C et +10·C, de sorte que la fermeture pression hermétique

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