414 / | HD | MATERIAL OR ARTICLE HANDLING |
147 | DF | CHAMBER OF A TYPE UTILIZED FOR A HEATING FUNCTION AND MATERIAL CHARGING OR DISCHARGING MEANS THEREFOR {6} |
160 | DF | .~ Charging of chamber {7} |
165 | .~.~ By depositing material onto surface of glass melt {1} | |
166 | DF | .~.~.~> With pushing device to move material therealong |