Pellet preheating and volatile recycling structure for glass mak
Pollution abating, energy conserving glass manufacturing apparat
Preheater for compacted vitrifiable material
Scrap recovery apparatus
Sheet glass producing apparatus
Support and drive system for rotating liquefaction vessel
System for the formation into pellets of mixtures of raw materia
Transition between batch preheating and liquefying stages appara
Two-stage heating media feeder for a glass batch preheating drum