The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 17, 2020
Filed:
Jul. 24, 2017
Applicant:
Corning Incorporated, Corning, NY (US);
Inventors:
Erling Richard Anderson, Wilmington, NC (US);
Kenneth William Roberts, Wilmington, NC (US);
Assignee:
Corning Incorporated, Corning, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C03B 37/027 (2006.01); C03B 37/014 (2006.01); G02B 6/28 (2006.01); G02B 6/255 (2006.01); G02B 6/40 (2006.01); H05B 3/42 (2006.01); H05B 3/62 (2006.01);
U.S. Cl.
CPC ...
G02B 6/2835 (2013.01); C03B 37/0146 (2013.01); C03B 37/01486 (2013.01); C03B 37/02736 (2013.01); G02B 6/2552 (2013.01); G02B 6/40 (2013.01); H05B 3/42 (2013.01); H05B 3/62 (2013.01); C03B 2205/80 (2013.01);
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.