Process for packaging wine in aluminium cans

B - Operations – Transporting – 65 – D

Patent

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Details

B65D 85/72 (2006.01) B21D 51/26 (2006.01) B32B 15/08 (2006.01) B65B 31/02 (2006.01) B65D 1/12 (2006.01) B65D 25/14 (2006.01) B67C 3/02 (2006.01)

Patent

CA 2460716

Process for packaging red or white, still or carbonated wine in two piece aluminium cans. The wine has less than 35 ppm of free sulphur dioxide, total sulfur dioxide levels less than 250 ppm, less than 330 ppm of chloride and less than 800 ppm of sulfates. Each can has an aluminium body filled with wine and sealed with an aluminium closure such that the pressure within the can is at least 25 psi and the inner surface of the aluminium is coated with a thermoset corrosion resistant coating. The coating or lining may be an epoxy resin combined with a formaldehyde based crosslinking agent and baked at temperatures in the range 165-185 ~C for twenty minutes. The wines exhibit excellent performance after storage or the quality of the wine does not deteriorate significantly on storage.

L'invention concerne un procédé d'emballage de vin blanc ou rouge, de vin tranquille ou vin trouble dans deux canettes d'aluminium. Le vin présente moins de 35 ppm de dioxyde de sulfure libre, des teneurs totales en dioxyde de sulfure inférieures à 250 ppm, en chlorure inférieures à 330 ppm et en sulfates inférieures à 800 ppm. Chaque boîte de conserve présente un corps en aluminium rempli de vin et fermé hermétiquement par une fermeture en aluminium de sorte que la pression à l'intérieur de la boîte est d'au moins 25 psi et la surface interne de l'aluminium est recouvert par un revêtement résistant à la corrosion thermodurcissable. Ledit revêtement ou revêtement intérieur peut être de la résine époxy combiné à un agent de réticulation à base de formaldéhyde et cuit à une température de l'ordre de 165-185 ·C durant 20 minutes. Les vins possèdent des qualités excellentes après stockage ou la qualité du vin ne se détériore pas significativement lors du stockage.

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