Air separation float glass system

Apparatus for applying SO.sub.3 to float glass

Apparatus for making vitreous silica receptacles

Apparatus for producing multi-component glass fiber preform

Apparatus for producing porous preforms for optical fibers

Core torch for fabricating single-mode optical fiber preforms

Device for forming a pyrolytic coating on a hot glass substrate

Edge stretching apparatus including insulated seal

Gas reaction apparatus and multi-wall pipe type burner therefor

Hood for metal-oxide vapor coating glass containers

Machining chamber for a glass compresson molding machine

Method and apparatus for delivering a cased glass stream

Method and device for melting and refining materials capable...

Method for manufacturing optical fiber preform and optical...

Mixing and injection molding hydrosilicates

Porous preform vitrification apparatus

Raw material supply device

Reduction of nitrogen containing glass batch materials using exc

Stirring of molten glass

System and method for controlling the environmental around...