Patent ID: 7648732
Filing Date: 2010-01-19
Classification: C03B,C03C,C23C,Y02P

Abstract:
1. A process of coating a noble metal element used in glass processing or production, said noble metal element having a side that comes in contact with a glass melt during said glass processing or production and another side that faces away from the glass melt during said glass processing or production, said process comprising the steps of: a) providing the noble metal element with an insulating jacket so that an empty space is formed between said insulating jacket and a surface of the noble metal element on said another side that faces away from the glass melt during said glass processing or production; b) filling said empty space with a coating material; and c) heating said coating material to a temperature sufficient to melt said coating material so that a viscous material results from the heating and completely wets said surface of the noble metal element to form a protective layer that coats said surface on said another side of the noble metal element that faces away from the glass melt during said glass processing or production; wherein said protective layer is an H