Method for filling a package, particularly a food package

B - Operations – Transporting – 65 – B

Patent

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Details

B65B 31/00 (2006.01) B65D 81/20 (2006.01)

Patent

CA 2743991

The invention relates to a method for filling thin-wall containers including a lid to be opened for use, particularly a can, wherein the container requires an internal pressure to provide a necessary stability in the filled, closed state. The container is tightly closed after filling using a lid to be opened for use and is filled with filling material and a substance used as a pressurizing gas at room temperature before the container is tightly closed. In addition to a solid or liquid first filling material, the container is filled with solid carbon dioxide as a further filling material, wherein the carbon dioxide forms the pressurizing gas after the thin-walled container is tightly closed.

L'invention concerne un procédé de remplissage d'un récipient à paroi mince, muni d'un couvercle à ouvrir lors de l'utilisation, en particulier d'une boîte en fer-blanc qui requiert une pression intérieure, en vue d'obtenir une stabilité requise à l'état fermé, rempli. Le récipient est, après remplissage, fermé de façon étanche par un couvercle à ouvrir lors de l'utilisation, et est rempli, avant fermeture étanche, par un produit de remplissage et par une matière servant de gaz sous pression à température ambiante. Outre un premier produit de remplissage solide ou liquide, du dioxyde de carbone solide est introduit dans le récipient, en tant qu'autre produit de remplissage, le dioxyde de carbone formant, après fermeture étanche du récipient à paroi mince, le gaz sous pression.

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