| 摘要 |
Evolutive packages for cylindrical sandwiches and any other compact food of the same shape and intended to be consumed inside the package, presenting in an initial embodiment a first enveloping package, cut out flat, which can be rapidly and manually mounted, and in a first variation, a package consisting of two half-shells which are manually preformable and ultra-rapidly lockingly assembled once preformed, but with limited stacking characteristics; in a second variation, the package has also two half shells but which are industrially preformable directly in a stacking configuration, and which can be manually assembled, locked and filled in a very short time.
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