| 摘要 |
The invention refers to a method for creating a protecting atmosphere in a volume, including the steps of: providing a device, which is arranged to permit the supply of a gas and which includes at least a supply conduit (1) including a discharge end (7) and a porous body (3) provided at said discharge end (7), supplying said gas by means of said device through the porous body (3) in such a way that a controlled flow of said gas is formed and providing said porous body (3) in relation to said volume in such a way that the controlled gas flow forms a gas cushion, which substantially fills said volume, and that said gas cushion is arranged to prevent air from the environment from reaching said volume. The invention also refers to a device for creating a protecting atmosphere in a volume.
|
