Patent ID: 8337946

Claim:
A device for glass melting, glass transportation, glass conditioning, glass homogenizing, glass distributing or glass shaping, said device comprising a noble metal element having an uncoated region for contacting a glass melt on one side thereof; an insulating jacket or body spaced from another side of the noble metal element opposite from said one side so as to form a gap between said insulating jacket or body and said another side; support elements extending between said insulating jacket or body to said noble metal element in order to support said noble metal element and maintain said gap between said insulating jacket or body and said another side; and an H 2 -impervious coating or an H 2 -impervious and O 2 -impervious coating on said another side of the noble metal element opposite from the one side having the uncoated region coming in contact with said glass melt; wherein said H 2 -impervious coating or said H 2 -impervious and O 2 -impervious coating has a thickness of greater than or equal to 1 mm, is heat-resistant, and is a solid or liquid that fills said gap between said insulating jacket or body and said another side; and wherein said liquid is molten glass and said solid comprises glass, partly crystallized glass, or ceramic material.