The invention specifies a double-walled liquid container having an inner side wall (4), an outer side wall (3), which is arranged outside the inner side wall (4), a retaining structure (1) and a fixing element (6), which is fitted on the retaining structure (1). The inner side wall (4) has an upper
The invention specifies a double-walled liquid container having an inner side wall (4), an outer side wall (3), which is arranged outside the inner side wall (4), a retaining structure (1) and a fixing element (6), which is fitted on the retaining structure (1). The inner side wall (4) has an upper edge (41) and delimits an interior (9), which serves for accommodating a liquid. The outer side wall (3) has an upper edge (31) and a lower edge (32). The retaining structure (1) has an inner retaining element (162), in which the upper edge (41) of the inner side wall (4) is retained, and an outer retaining element (161), in which the upper edge (31) of the outer side wall (3) is retained. The fixing element (6) here fixes the lower edge (32) of the outer side wall (3) in relation to the retaining structure (1).
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1. A double-walled liquid container, comprising an inner side wall, which has a top edge and delimits an inner space which serves for receiving a liquid,an outer side wall, which is arranged outside the inner side wall and has a top edge and a bottom edge,a retaining structure being formed so as to
1. A double-walled liquid container, comprising an inner side wall, which has a top edge and delimits an inner space which serves for receiving a liquid,an outer side wall, which is arranged outside the inner side wall and has a top edge and a bottom edge,a retaining structure being formed so as to be downwardly open and having an inner retaining element, in which the top edge of the inner side wall is retained, and an outer retaining element, in which the top edge of the outer side wall is retained, and alsoa fixing element, which is attached to the retaining structure and fixes the bottom edge of the outer side wall in relation to the retaining structure, and which can be introduced into the retaining structure from below during the production of the liquid container. 2. The double-walled liquid container as claimed in claim 1, wherein the inner side wall and the outer side wall are each transparent, and the retaining structure is formed in such a manner that the inner space is visible from the outside through the inner side wall and the outer side wall. 3. The double-walled liquid container as claimed in claim 1, wherein the inner side wall is produced from glass and the outer side wall is produced from polycarbonate (PC). 4. The double-walled liquid container as claimed in claim 1, wherein the inner side wall and the outer side wall each substantially have the form of an upwardly and downwardly open cylinder. 5. The double-walled liquid container as claimed in claim 1, wherein the inner retaining element and the outer retaining element are each configured as a circumferential groove. 6. The double-walled liquid container as claimed in claim 1, wherein the liquid container has a base element, which rests on the fixing element and, together with the inner side wall, delimits the inner space. 7. The double-walled liquid container as claimed in claim 6, wherein the inner side wall has a bottom edge, and wherein the base element is arranged between the fixing element and the bottom edge of the inner side wall. 8. The double-walled liquid container as claimed in claim 6, wherein the liquid container is a water kettle having a heating apparatus, and wherein the base element forms a heating plate, which is connected to the heating apparatus. 9. The double-walled liquid container as claimed in claim 6, wherein the base element has an inner groove, into which the inner side wall extends. 10. The double-walled liquid container as claimed in claim 9, wherein a sealing compound is provided in the inner retaining element of the retaining structure and/or in the inner groove of the base element and seals the inner side wall with respect to the retaining structure or with respect to the base element in a liquid-tight manner. 11. The double-walled liquid container as claimed in claim 10, wherein said sealing compound is an adhesive. 12. The double-walled liquid container as claimed in claim 1, wherein the fixing element is formed as a fixing ring having an external diameter which corresponds substantially to the external diameter of the outer side wall. 13. The double-walled liquid container as claimed in claim 1, moreover comprising a bottom end plate for closing off the retaining structure in a downward direction, wherein the end plate is fastened to the fixing element. 14. The double-walled liquid container as claimed in claim 1, wherein the fixing element has at least a first latching structure and the retaining structure has at least a second latching structure, these being formed complementarily to one another in such a manner that the fixing element can be latched into the retaining structure. 15. The double-walled liquid container as claimed in claim 1, wherein the retaining structure has a spout, in order to pour a liquid out of the inner space. 16. A double-walled liquid container, comprising: an inner side wall, which has a top edge and delimits an inner space which serves for receiving a liquid,an outer side wall, which is arranged outside the inner side wall and has a top edge and a bottom edge,a retaining structure having an inner retaining element, in which the top edge of the inner side wall is retained, and an outer retaining element, in which the top edge of the outer side wall is retained, and alsoa fixing element, which is attached to the retaining structure and fixes the bottom edge of the outer side wall in relation to the retaining structure,wherein at least one support element produced from a significantly more flexible material compared to the inner side wall and to the fixing element is arranged between the inner side wall and the fixing element. 17. A double-walled liquid container, comprising: an inner side wall, which has a top edge and delimits an inner space which serves for receiving a liquid,an outer side wall, which is arranged outside the inner side wall and has a top edge and a bottom edge,a retaining structure having an inner retaining element, in which the top edge of the inner side wall is retained, and an outer retaining element, in which the top edge of the outer side wall is retained, and alsoa fixing element, which is attached to the retaining structure and fixes the bottom edge of the outer side wall in relation to the retaining structure,wherein the fixing element and the retaining structure together delimit an outer groove, into which the outer side wall extends. 18. A double-walled liquid container, comprising an inner side wall, which has a top edge and delimits an inner space which serves for receiving a liquid,an outer side wall, which is arranged outside the inner side wall and has a top edge and a bottom edge,a retaining structure having an inner retaining element, in which the top edge of the inner side wall is retained, and an outer retaining element, in which the top edge of the outer side wall is retained,a fixing element, which is attached to the retaining structure and fixes the bottom edge of the outer side wall in relation to the retaining structure, anda base element, which rests on the fixing element and, together with the inner side wall, delimits the inner space,wherein the inner side wall has a bottom edge, and wherein the base element is arranged between the fixing element and the bottom edge of the inner side wall. 19. A double-walled liquid container, comprising an inner side wall, which has a top edge and delimits an inner space which serves for receiving a liquid,an outer side wall, which is arranged outside the inner side wall and has a top edge and a bottom edge,a retaining structure having an inner retaining element, in which the top edge of the inner side wall is retained, and an outer retaining element, in which the top edge of the outer side wall is retained,a fixing element, which is attached to the retaining structure and fixes the bottom edge of the outer side wall in relation to the retaining structure, anda base element, which rests on the fixing element and, together with the inner side wall, delimits the inner space,wherein the liquid container is a water kettle having a heating apparatus, and wherein the base element forms a heating plate, which is connected to the heating apparatus.
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