B - Operations – Transporting – 65 – D
Patent
B - Operations, Transporting
65
D
B65D 5/44 (2006.01) B31B 7/00 (2006.01) B65B 7/16 (2006.01) B65B 43/42 (2006.01) B65D 5/56 (2006.01) B65D 77/20 (2006.01)
Patent
CA 2353684
The invention relates to an airtight, preferably oxygen-tight food packaging comprising a peripheral edge flange. The edge flange is lined with a plastic film, especially with a plastic composite film, which engages with the same inside. The inner space of the packaging is closed or sealed in an airtight, especially oxygen-tight manner over the edge flange by means of a covering film. In order to improve the producibility while ensuring a lasting air- tightness of the packaging, a shell part (40) is provided which at least partially forms the packaging base (41) and the side walls (43; 443). An uninterrupted collar which forms the edge flange (52) is placed on said shell part.
L'invention concerne un emballage alimentaire étanche aux gaz, de préférence étanche à l'oxygène, comportant un rebord périphérique, lequel est revêtu côté intérieur d'un film plastique recouvrant le rebord, notamment d'un film composite plastique, et dont l'espace intérieur est obturé ou scellé de manière étanche aux gaz, notamment de manière étanche à l'oxygène, au moyen d'un film de recouvrement appliqué sur le rebord. Pour améliorer l'aptitude à la fabrication tout en assurant une étanchéité aux gaz durable de l'emballage, il est prévu une partie coque (40) formant au moins partiellement le fond (41) de l'emballage et les parois latérales (43; 443), coque sur laquelle est placée une collerette ininterrompue formant le rebord (52).
Dietrich Jochen
Natterer Hans
Romer Kurt
A&r Carton Gmbh
Dietrich Jochen
Oyen Wiggs Green & Mutala Llp
Pts Consulting Ag
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