Process for the production of quartz glass bodies

Details Process for the production of quartz glass bodies Process for the production of quartz glass bodies

1997-11-26

1998-11-17

Chin, Peter

Glass manufacturing

Processes

With shaping of particulate material and subsequent fusing...

65144, 65414, 65416, 65427, 65500, C03B 1906, C03B 37018, C03B 3710

Patent

active

058370242

ABSTRACT:
An essentially cylindrical porous blank is formed by the deposition of SiO.sub.2 particles onto the lateral cylindrical surface of a cylindrical mandrel, rotating around its longitudinal axis; this blank is provided with a holding element of quartz glass in the form of a hollow body, which surrounds a section of the mandrel and which is at least partially embedded in the area of one of the ends of the blank. The blank is then sintered. In order to securely support even heavy blanks without complicated holding devices, the holding element is fused into the area of at least one of the ends of the blank during the deposition process by the maintenance of a high temperature.

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