Autothermic packaging

B - Operations – Transporting – 65 – D

Patent

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Details

B65D 81/34 (2006.01) A47J 36/28 (2006.01) A61J 9/00 (2006.01) B65D 51/28 (2006.01) B65D 81/32 (2006.01)

Patent

CA 2480870

The invention relates to autothermic packaging comprising a container (1) for a food product and a first compartment (5) containing a first substance which can react with a second substance that is contained in a second compartment (6) or which can change phases when exposed to conditions in said second compartment (6). Both of the aforementioned compartments (5, 6) abut one another by means of the mouth thereof and are separated by means of a sheet (7) which can be broken from the outside using penetration means (8). At least one heat-conducting wall (9) is shared by the container (1) and the first compartment (5). Moreover, said heat-conducting wall (9) comprises a band (10) which is disposed next to the mouth thereof and the container (1) comprises an external heat-insulating wall (11) which is connected to a base member (39) having a band (12) close to a peripheral edge. The aforementioned peripheral flanged bands (10, 12) abut one another, thereby forming a hermetic, resistant seam by means of crimping.

L'emballage autothermique décrit comprend un contenant (1) pour produit alimentaire, et un premier compartiment (5) qui contient une première substance susceptible de réagir avec une seconde substance contenue dans un second compartiment (6) ou de changer de phase lorsqu'elle est exposée à des conditions existantes dans ledit compartiment (6). Les deux compartiments (5, 6) sont mutuellement adossés par leur embouchure et séparés par une feuille (7) susceptible d'être déchirée de l'extérieur par des moyens de pénétration (8). Au moins une paroi thermo-conductrice (9) est commune au contenant (1) et au premier compartiment (5). Ladite paroi thermo-conductrice (9) comprend une bande (10) adjacente à son embouchure et ledit contenant (1) présente une paroi thermo-conductrice (11) extérieure reliée à un élément de base (39) pourvu d'une bande (12) adjacente à un bord périmétrique. Ces bandes périmétriques (10 ; 12) sont adossées l'une à l'autre tout en formant un rebord et une couture hermétique et résistante par forte encolure.

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