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US 11,498,862 B2Granted
Optical fiber draw furnace system and method
AssigneeCorning Incorporated
InventorsTammy Michelle Hoffmann, John Michael Jewell, Nikolaos Pantelis Kladias
Life of this patent
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Abstract
An optical fiber draw system and method of operating thereof. The method includes positioning a downfeed handle for supporting an optical fiber preform within a furnace such that the downfeed handle is movable within the furnace. The method further includes operating one or more heating elements to thermally heat at least a portion of an upper muffle extension disposed within the furnace, the one or more heating elements being moveable with the downfeed handle.
Claims16
A method of operating an optical fiber draw furnace, the method comprising:
- positioning a downfeed handle for supporting an optical fiber preform within a furnace such that the downfeed handle is movable within the furnace;
- and
- operating one or more heating elements to thermally heat at least a portion of an upper muffle extension disposed within the furnace, the one or more heating elements being moveable with the downfeed handle,
- wherein operating the one or more heating elements comprises heating at least a portion of the downfeed handle to a temperature ranging from about 400° C. to about 1000° C.
1 more element
Dependencies are inferred from the claim text.