A glass forehearth is disclosed which is made up of upstream and downstream zones each having a roof structure which divides the channel into opposed side channels separated by a central channel. The glass in the central channel is heated for at least a portion of its length enabling the flow rate of the forehearth to be decreased.
申请公布号
US5383949(A)
申请公布日期
1995.01.24
申请号
US19940254182
申请日期
1994.06.06
申请人
EMHART GLASS MACHINERY INVESTMENTS INC.
发明人
BUBON, FRANK J.;PAUL, KENNETH J.;PINKERTON, STEVEN J.