Vitreous enamels
AssigneeTI (Group Services) Limited
InventorsJohn L. C. Mumford, Roger F. Price
Life of this patent
Estimating the term…
Abstract
A process for applying a vitreous enamel comprises applying a powdered vitreous frit to a metal, said frit having a water content of up to 0.03% by weight; this coated metal then being fired at a temperature in excess of the melting point of the frit, in a furnace having an atmosphere with a dew point of up to 10.degree. C. Metal particles may be admixed with the powdered frit to form a cermet or glass/metal composite. The powdered frit may be applied to a substrate as a non-aqueous slurry or an aqueous slurry including a polysaccharide based suspension agent.
Claims15
A process for applying a vitreous enamel comprising;
- applying a powdered vitreous frit to a metal, said vitreous frit having a water content of up to 0.03% by weight;
- and then firing the coated metal at a temperature in excess of the melting point of the frit, in a furnace having an atmosphere with a dew point of up to 10.degree. C.
Dependencies are inferred from the claim text.