Erich Fischer

Method and apparatus for manufacturing internally coated glass tubes

Triangular glass melting vat has main melting zone separated by sloped sub-surface barrier from refining zone

Noble metal duct for conducting a glass melt and method for conducting a glass melt

Method and device for cutting glass tubes

Noble metal pipe to guide molten glass, its usage and method for the same

Glass melt stirring and homogenizing unit, comprises stirrer core and stirrer blades which protrude from core

Process for devices for the production of internally-hardened glass tubes as well as their use

Production of glass tube or rod profile comprises combusting fuel fluid within porous medium of burner through which fluid flows

Use of a mixer for preventing reams in a glass melt

Verfahren und Vorrichtung zur Herstellung von innenvergüteten Glasrohren