[Abstract] The present invention relates to a food product package comprising: a container (10) having a displaceable part (16) forming part of the bottom, body part or cover, the part being connected by elastically deformable connecting edges (17) To each remaining peripheral portion (16) of the bottom, body member or cover, the displaceable member is thus movable between an outwardly displaced first position and an inwardly displaced second position. The wrapper is characterized in that the displaceable member has a generally rectangular shape corresponding to the shape of the bottom, the body or the rest of the cover; the surface area of ​​the displaceable member accounts for at least the total surface area of ​​the bottom, body or cover 50%; Displaceable parts with bending stiffness.

[Sovereign Items] 1. Packages of foods for sale, including: a unitary container having a perforation on its top surface and a bottom underneath it, with a vertical body member attached to the bottom, and There is at least one planar body part; the orifice is defined by a rim substantially lying in the horizontal plane, and, after filling the container with the food product and possibly a selected gas or gas mixture, it can be connected to the lid, such as by a seal The foils to the lips together work together in a sealed manner; a generally flat displaceable part forms part of the bottom, body part or cover and acts as a displacement member, which passes at least one dimensional elastically deformable connection Edges are connected to each remaining peripheral portion of the bottom, body member or cover; and optionally fillers having a gas serving as a protective atmosphere, such as CO2 and N2 or a mixture of CO2 and O2; characterized in that the displaceable member has A generally rectangular shape corresponding to the shape of the rest of the base, body or lid; the surface area of ​​the displaceable part is at the bottom At least 50% of the total surface area of ​​the part, body or cover; the displaceable part has sufficient flexural rigidity; an elastic deformable zone is located in each corner area of ​​the four corner areas of the connecting edge and in the displaceable part The entire periphery; such a displaceable part can be moved between a first position displaced outwards and a second position displaced inwardly.


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