Patent ID: 7549973

Claim:
A system for the supply of a gas to an area, comprising: a gas source a supply conduit, which is connected to said gas source and which includes an outlet end; a porous body, which is manufactured of a foam rubber-like material and is provided at said outlet end, wherein the device is arranged to transmit said supply of gas through said foam rubber-like material of the porous body to create a protective gas atmosphere in the area; a filter arranged on the supply conduit for filtering said supply of gas flowing through the supply conduit; and an attachment member shaped as a substantially planar plate including a first surface, a second surface, a sleeve extending outwardly away from the porous body and being connected to the outlet end, and a continuous channel extending through the sleeve, said second surface, and the first surface, respectively; wherein the porous body is attached to said first surface and wherein the outlet end is connected to the attachment member for transmitting said supply in a direction through said outlet end, said channel and said porous body, respectively, for creating said protective gas atmosphere.