| 摘要 |
The invention relates to an insulation device comprising an insulation chamber which can be evacuated by means of a connection piece (23), and a heat insulation layer arrangement (10) provided in said insulation chamber and comprising at least two inner layers (13) containing a plurality of cavities (13c), and at least one separating layer (12) which is arranged between two adjacent inner layers, separating the two. Said insulation device contains a gas lance (14) comprising a gas-permeable, long inlet section (15) in at least one of the inner layers (13) of the heat insulation layer arrangement (10) in such a way that it conducts gas to/from the connection piece (23), in order to enable an evacuation or gassing of the plurality of cavities (13c) by means of the gas lance (14) and the gas-permeable heat insulation layer arrangement (10). The gas inlet section (15) can comprise a pipe and/or a flexible tube having a circular and/or oval cross-section or a hollow mat. The gas lance can comprise a plurality of branched inlet sections (15). A traction mechanism is provided in the connection piece (23), by which means the gas lance (14) or a remaining section thereof can be removed from the heat insulation layer arrangement (10). |
