Bowl-shaped package

Details Bowl-shaped package Bowl-shaped package

B - Operations, Transporting

65

D

B65D 77/20 (2006.01) B32B 15/08 (2006.01)

Patent

CA 2069418

2069418 9205088 PCTABS00011 A bowl package, specially to contain portions of food, e.g. animal foods or the like, requiring sterilisation, with a lower part open at the top made of sheet metal like aluminium or steel, in the shape of a bowl, a hollow cylinder or the like, on the upper edge of which there is a circumferential sealing edge formed in one piece with the lower part, the upward-facing sealing surface of which is substantially parallel to the bottom surface of the lower part, a continuous internal coating covering the inside of the lower part and its sealing surface as corrosion protection preventing contact between the package contents and the sheet metal of the lower part and a sealing foil of metal foil, paper or the like which has a sealing foil coating on the underside facing the lower part, whereby the choice of material for the internal coating and the sealing foil coating is made using a plastic and a sealing lacquer component like polypropylene, polyethylene, polyethylene terephthalate or polycarbonate or a sealing lacquer compatible therewith in such a way that, when the sealing foil is pressedagainst the sealing edge in a sealing tool or the like with the application of heat and pressure, a substantially gas and damp-proof sterilisable seal is obtained between the sealing foil and the lower part, in which the internal coating of the lower part consists of a sealing lacquer layer and the sealing foil coating (16) of a plastic foil.

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