Patent ID: 7337633
Filing Date: 2008-03-04
Classification: C03B

Abstract:
1. A process for producing a flat glass, said process comprising: forming a fixed bed including a plurality of supports formed by a base made of a material capable of containing a liquid therein or formed into a structure capable of containing a liquid therein; continuously supplying a glass ribbon in a molten state, to the fixed bed; introducing to the supports a steam film forming agent which is not gaseous at a temperature in the vicinity of room temperature and which is gaseous at a temperature of at least the glass transition point of the glass, in a liquid state; making the supports and the glass ribbon at a temperature of at least the glass transition point slide on each other, via a thin layer of a steam film generated by vaporization of the steam film forming agent, to form the glass ribbon into a flat glass, wherein the forming of the fixed bed includes: