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:
Feb. 08, 2022
Filed:
Mar. 11, 2019
Corning Incorporated, Corning, NY (US);
Erling Richard Anderson, Wilmington, NC (US);
John Michael Jewell, Wilmington, NC (US);
Robert Walter Nason, Wilmington, NC (US);
Elias Panides, Horseheads, NY (US);
Xiaoyong Wang, Shanghai, CN;
Leo Young Zheng, Painted Post, NY (US);
Chunfeng Zhou, Painted Post, NY (US);
Corning Incorporated, Corning, NY (US);
Abstract
An optical fiber draw furnace muffle includes a body portion defining a substantially cylindrical cavity extending along a centerline axis of the muffle. A tapered portion has an interior surface which defines a first curved portion with a first radius of curvature and a second curved portion with a second radius of curvature. At least one of the first and second radii of curvature has a radius greater than a radius of the cylindrical cavity.