86705 ⎘
Melting in furnaces; Furnaces so far as specially adapted for glass manufacture in electric furnaces, e.g. by dielectric heating by passing an electric current between electrodes immersed in the glass bath, i.e. by direct resistance heating; Tank furnaces Cold top tank furnaces
HYBRID GLASS MANUFACTURING FURNACE WITH ELECTRIC MELTING, FOR SUPPLYING A FLOAT UNIT
#2Refining glass with reduced pressure
#3Fluid permeable and vacuumed insulating microspheres and methods of producing the same
#4Glass microspheres made from a redox active glass
#5PROCESS FOR FORMING FIBERS FROM VITRIFIABLE MATERIALS
#6METHOD FOR PRODUCING AN OPTICAL GLASS PART, PARTICULARLY OF A MOTOR VEHICLE HEADLIGHT LENS
#7Apparatus for making glass and methods