An apparatus for forwarding a glass melt and their use, and processes for producing a glass body

An apparatus for forwarding a glass melt, with an inlet (10) communicates with a glass-melting device whose internal walls made of a ceramic material or lined with are, and with an outlet (11), between the inlet (10) and the outlet (11) a retaining means (14, 15) is arranged, which extends over a cable cross section of the device and having a plurality of apertures having a predetermined maximum opening width, with a diameter which is larger than the maximum opening width of retaining solid particles, characterized in that the retaining means comprise a counter to a flow direction of the molten glass in the apparatus raised edge (15) and is disposed out of the device removed.