Production manner of the plate glass, the float bus device, the use null bus cartridge head brick of the

摘要

PROBLEM TO BE SOLVED: To provide a method and a float bath device for reducing the number and size of bubbles in at least a lower side thereof.;SOLUTION: The float bath device 1 includes a float bath bottom 2 made of a bath bottom brick 3 and a metal casing 12 having a metal bottom wall 14, and the pore spaces 10 are formed between the bath bottom brick 3 and the metal bottom wall 14. The method of producing the plate glass includes melting glass in a melting tank, pouring a molten glass onto a molten metal bath 5 to thereby form it into a glass ribbon 8. In this case, the pore spaces 10 are at least temporarily filled with H2-containing gas in at least one region.;COPYRIGHT: (C)2010,JPO&INPIT