Back to results
US 10,591,674 B2Granted
System and method for positioning an optical preform in a furnace
AssigneeCorning Incorporated
InventorsErling Richard Anderson, Kenneth William Roberts
Life of this patent
Estimating the term…
Abstract
A system for positioning an optical preform in a furnace is provided that includes an upper muffle and a downfeed handle assembly with a tube defining a first end and a second end, the second end extending into the upper muffle. A handle is disposed within the tube. A second end of the handle extends into the upper muffle and a seal assembly is positioned around both the tube and the handle. The first end of the handle extends through the seal assembly and a drive assembly is coupled with the downfeed handle.
Claims20
A system for positioning an optical preform in a furnace, comprising:
- an upper muffle;
- a downfeed handle assembly, comprising:
- a tube defining a first end and a second end, the second end extending into the upper muffle;
- a handle disposed within the tube, wherein a second end of the handle extends into the upper muffle and is configured to support the optical preform within the upper muffle;
- and
- a seal assembly positioned around both the tube and the handle, the handle extending through the seal assembly;
- and
- a drive assembly coupled with the handle.
5 more elements
Dependencies are inferred from the claim text.