A heat-insulated wall has two outer covering layers which are disposed at a distance from one another and are constructed at least substantially vacuum-tight. The two outer covering layers are connected to one another in a vacuum-tight manner by a connecting profile that runs along their contour and
A heat-insulated wall has two outer covering layers which are disposed at a distance from one another and are constructed at least substantially vacuum-tight. The two outer covering layers are connected to one another in a vacuum-tight manner by a connecting profile that runs along their contour and has a U-shaped cross section. The two outer covering layers together with the connecting profile enclose an intermediate space that can be evacuated and filled with an evacuable heat insulating material. At least one tubular bushing for cables or the like runs through the intermediate space. The bushing connects apertures to one another that are formed the spaced-apart outer covering layers. The tubular bushing is provided on its two end sections with a flange-shaped expanded and flattened region by which the bushing is fixed in a vacuum-tight manner on the mutually facing inner sides of the two outer covering layers.
대표청구항▼
We claim: 1. A heat insulated wall product made by a process comprising: providing a connecting profile, an evacuable heat insulating material, two outer covering layers each having a pass-through aperture, and a tube section including a hollow bore and two end sections with at least one of the two
We claim: 1. A heat insulated wall product made by a process comprising: providing a connecting profile, an evacuable heat insulating material, two outer covering layers each having a pass-through aperture, and a tube section including a hollow bore and two end sections with at least one of the two end sections having a circumferentially positioned flange-shaped expanded and flattened region; connecting the two outer covering layers to the connecting profile with a vacuum-tight seal and with a disposition of the two outer covering layers at a spacing from one another with their pass-through apertures generally aligned with one another, the two outer covering layers together with the connecting profile delimiting an intermediate space; disposing the tube section relative to the two outer covering layers with the pass-through aperture of each outer covering layer being in communication with the hollow bore of the tube section and with the at least one flange-shaped expanded and flattened region in facing relation to an interior surface of a selected one of the two outer covering layers that faces toward the other outer covering layer; connecting in a sealed manner the selected one outer covering layer to the flange-shaped expanded and flattened region of the tube section; disposing the evacuable heat insulating material in the intermediate space delimited by the two outer covering layers and the connecting profile; and disposing the intermediate space delimited by the two outer covering layers and the connecting profile in an evacuated condition. 2. The heat insulated wall product made by the process according to claim 1, wherein each of the two end sections of the tube section having one of the flange-shaped expanded and flattened regions and further comprising securing the tube section on mutually facing inner sides of the two outer covering layers with a vacuum-tight seal. 3. The heat insulated wall product made by the process according to claim 2, wherein the step of securing the tube section on mutually facing inner sides of the two outer covering layers with a vacuum-tight seal includes connecting the two outer covering layers to the flange-shaped expanded and flattened region by a continuous welded connection. 4. The heat insulated wall product made by the process according to claim 1, wherein the step of providing includes making the two outer covering layers and the tube section from a corrosion-protected steel material. 5. The heat insulated wall product made by the process according to claim 4, wherein the connecting profile comprises stainless-steel sheeting or corrosion protected steel sheeting. 6. The heat insulated wall product made by the process according to claim 1, wherein the step of providing includes providing one of said two outer covering layers with a third aperture, and the step of disposing the intermediate space delimited by the two outer covering layers and the connecting profile in the evacuated condition includes evacuating the interior volume via the third aperture. 7. The heat insulated wall product made by the process according to claim 1, wherein the selected one outer covering layer includes an exterior surface spaced from and facing away from its interior surface and the step of connecting in a sealed manner the selected one outer covering layer to the flange-shaped expanded and flattened region of the tube section includes applying a weld through the exterior surface of the selected one outer covering layer that engages and secures the flange-shaped expanded and flattened region of the tube section to the selected one outer covering layer. 8. The heat insulated wall product made by the process according to claim 7, wherein the step of applying a weld through the exterior surface of the selected one outer covering layer that engages and secures the flange-shaped expanded and flattened region of the tube section to the selected one outer covering layer includes applying a circular weld seam that passes through the exterior surface of the selected one outer covering layer to the flange-shaped expanded and flattened region of the tube section. 9. The heat insulated wall product made by the process according to claim 1, wherein the step of providing includes providing each of the two outer covering layers with a material thickness and a tube section with a flange-shaped expanded and flattened region that has a material thickness being at least substantially twice the material thickness of the two outer covering layers. 10. The heat insulated wall product made by the process according to claim 1 and further comprising forming the at least one flange-shaped expanded and flattened region of the tube section to compensate for positional imprecision between the pass-through apertures of the two outer covering layers and the tube section to thereby permit the tube center to be offset from the centers of the pass-through apertures of the two outer covering layers while maintaining the vacuum-tight seal between flange-shaped expanded and flattened region of the tube section and the selected one outer covering layer. 11. The heat insulated wall product made by the process according to claim 10, wherein the step of forming the at least one flange-shaped expanded and flattened region to compensate for positional imprecision between the aperture and the tube section permits the tube center to be offset from the centers of the pass-through apertures of the two outer covering layers a distance up to about 20 percent of the aperture diameter while maintaining the vacuum-tight seal between flange-shaped expanded and flattened region of the tube section and the selected one outer covering layer. 12. The heat insulated wall product made by the process according to claim 1, wherein the connecting profile comprises stainless-steel sheeting or corrosion protected steel sheeting. 13. The heat insulated wall product made by the process according to claim 1, wherein the connecting profile has a generally U-shaped cross section. 14. The heat insulated wall product made by the process according to claim 1, wherein the at least one flange-shaped expanded and flattened region is welded with a weld to the interior surface of the selected one of the outer covering layers, and a material thickness of the selected one of the covering layers in relation to a material thickness of the flange-shaped expanded and flattened region is dimensioned to reliably form the weld. 15. A method for making a heat insulated wall product, the method comprising: providing a connecting profile, an evacuable heat insulating material, two outer covering layers each having a pass-through aperture, and a tube section including a hollow bore and two end sections with at least one of the two end sections having a circumferentially positioned flange-shaped expanded and flattened region; connecting the two outer covering layers to the connecting profile with a vacuum-tight seal and with a disposition of the two outer covering layers at a spacing from one another with their pass-through apertures generally aligned with one another, the two outer covering layers together with the connecting profile delimiting an intermediate space; disposing the tube section relative to the two outer covering layers with the pass-through aperture of each outer covering layer being in communication with the hollow bore of the tube section and with the at least one flange-shaped expanded and flattened region in facing relation to an interior surface of a selected one of the two outer covering layers that faces toward the other outer covering layer; connecting in a sealed manner the selected one outer covering layer to the flange-shaped expanded and flattened region of the tube section; disposing the evacuable heat insulating material in the intermediate space delimited by the two outer covering layers and the connecting profile; and disposing the intermediate space delimited by the two outer covering layers and the connecting profile in an evacuated condition. 16. The method according to claim 15, wherein each of the two end sections of the tube section has one of the flange-shaped expanded and flattened regions and the method further comprises securing the tube section on mutually facing inner sides of the two outer covering layers with a vacuum-tight seal. 17. The method according to claim 16, wherein the step of securing the tube section on mutually facing inner sides of the two outer covering layers with a vacuum-tight seal includes connecting the two outer covering layers to the flange-shaped expanded and flattened region by a continuous welded connection. 18. The method according to claim 15, wherein the step of providing includes making the two outer covering layers and the tube section from a corrosion-protected steel material. 19. The method according to claim 18, wherein the connecting profile comprises stainless-steel sheeting or corrosion protected steel sheeting. 20. The method according to claim 15, wherein the step of providing includes providing one of said two outer covering layers with a third aperture, and the step of disposing the intermediate space delimited by the two outer covering layers and the connecting profile in the evacuated condition includes evacuating the interior volume via the third aperture. 21. The method according to claim 15, wherein the selected one outer covering layer includes an exterior surface spaced from and facing away from its interior surface and the step of connecting in a sealed manner the selected one outer covering layer to the flange-shaped expanded and flattened region of the tube section includes applying a weld through the exterior surface of the selected one outer covering layer that engages and secures the flange-shaped expanded and flattened region of the tube section to the selected one outer covering layer. 22. The method according to claim 21, wherein the step of applying a weld through the exterior surface of the selected one outer covering layer that engages and secures the flange-shaped expanded and flattened region of the tube section to the selected one outer covering layer includes applying a circular weld seam that passes through the exterior surface of the selected one outer covering layer to the flange-shaped expanded and flattened region of the tube section. 23. The method according to claim 15, wherein the step of providing includes providing each of the two outer covering layers with a material thickness and a tube section with a flange-shaped expanded and flattened region that has a material thickness being at least substantially twice the material thickness of the two outer covering layers. 24. The method according to claim 15, further comprising forming the at least one flange-shaped expanded and flattened region of the tube section to compensate for positional imprecision between the pass-through apertures of the two outer covering layers and the tube section to thereby permit the tube center to be offset from the centers of the pass-through apertures of the two outer covering layers while maintaining the vacuum-tight seal between flange-shaped expanded and flattened region of the tube section and the selected one outer covering layer. 25. The method according to claim 24, wherein the step of forming the at least one flange-shaped expanded and flattened region to compensate for positional imprecision between the aperture and the tube section permits the tube center to be offset from the centers of the pass-through apertures of the two outer covering layers a distance up to about 20 percent of the aperture diameter while maintaining the vacuum-tight seal between flange-shaped expanded and flattened region of the tube section and the selected one outer covering layer. 26. The method according to claim 15, wherein the connecting profile comprises stainless-steel sheeting or corrosion protected steel sheeting. 27. The method according to claim 15, wherein the connecting profile has a generally U-shaped cross section. 28. The method according to claim 15, wherein the at least one flange-shaped expanded and flattened region is welded with a weld to the interior surface of the selected one of the outer covering layers, and a material thickness of the selected one of the covering layers in relation to a material thickness of the flange-shaped expanded and flattened region is dimensioned to reliably form the weld.
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