FIELD: packaging.
SUBSTANCE: group of inventions relates to food packaging, preferably confectionery products. The method for manufacturing a hermetically sealed packaging includes forming a wrapper sheet made of plastic material, in particular, having a thickness less than or equal to 140 mcm; forming hollow part (11) and perimeter part (13) on specified sheet (10), which restricts, at least partially, the specified hollow part; placing the product in specified hollow part (11); applying second wrapper sheet (30) to contact perimeter part (13) so as to close hollow part (11) with the product inside; welding the specified second sheet on the first sheet along perimeter part (13); the method also includes providing number of sheet folds (122) on the perimeter part, which are then sealed.
EFFECT: production of packaging from thin sheets.
17 cl, 10 dwg
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Authors
Dates
2021-08-17—Published
2018-01-30—Filed