公开(公告)号：EP1968903A2

公开(公告)日：2008-09-17

申请号：EP06838692.9

申请日：2006-12-01

申请人： Corning Incorporated

发明人： BORATAV, Olus, N. ,  COPPOLA, Frank, T. ,  FILLIPPOV, Andrey, V. ,  FREDHOLM, Allan, M. ,  GILDEA, Michael, B. ,  LE GALLIC, Bruno ,  SHAY, George, C.

IPC分类号： C03B17/00

CPC分类号： C03B17/064

摘要： A method of a drawing a glass ribbon from molten glass sheet via a downdraw process by creating a temperature drop across a thickness of the molten glass flowing over forming surfaces of a forming wedge. The forming wedge includes an electrically conductive material for heating the glass above the root.