| 摘要 |
<p>The invention relates to a blank suitable for producing a substantially prism shaped sandwich packaging (1), comprising a trapezoid shaped bottom portion (3), a trapezoid shaped top portion (2), at least three sidewall portions (4,5,6,7), wherein at least two of the at least three sidewall portions are provided with a mini perforation (16).
The invention further relates to a method for producing a substantially prism shaped sandwich package, wherein a blank as described above is provided, of which blank the side wall portions (4,5,6,7) are folded upwards, the at least three sidewall portions are glued or heat sealed to the bottom and the top portions (2,3), thus providing a one-side-open packaging, a subject to be packaged e.g. a stack of sandwiches in the packaging is inserted in the one-side-open packaging and a fourth side wall portion (7) is glued or heat sealed to the open side of the packaging.</p> |
