Method for the manufacture of hollow fused quartz or fused silic

Details Method for the manufacture of hollow fused quartz or fused silic Method for the manufacture of hollow fused quartz or fused silic

1979-02-16

1980-07-15

Fisher, Richard V.

Glass manufacturing

Processes

With shaping of particulate material and subsequent fusing...

65 32, C03B 300, C03B 514

Patent

active

042126614

ABSTRACT:
The method of manufacturing an ingot includes the steps of rotating a housing having an inner surface which defines an opening therethrough, the housing containing a layer of insulating material between the housing outer surface and the inner surface, depositing particulate material across the inner surface, and heating the particulate material above its melting point, the rotational movement of the housing holding the molten particulate material by centrifugal force on the inner surface for forming an ingot. The particulate material is deposited on the housing inner surface by gravity from an elongated, slotted tube, by rotating the tube until the slot faces downward.

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