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:
Jun. 13, 2023
Filed:
Nov. 30, 2017
Corning Incorporated, Corning, NY (US);
Adam Charles Berkey, Pittsburgh, PA (US);
Eliot Geathers, Mission, TX (US);
Daniel Warren Hawtof, Corning, NY (US);
Douglas Edward McElheny, Big Flats, NY (US);
Jiandong Meng, Painted Post, NY (US);
Elias Panides, Horseheads, NY (US);
Gaozhu Peng, Horseheads, NY (US);
Randy Lee Rhoads, Horseheads, NY (US);
Yuriy Yurkovskyy, Corning, NY (US);
Chunfeng Zhou, Painted Post, NY (US);
CORNING INCORPORATED, Corning, NY (US);
Abstract
A glass tube manufacturing apparatus for manufacturing glass tubing includes a glass delivery tank with molten glass. The glass delivery tank has a bottom opening. A bell has an upper portion with an outer diameter located at the bottom opening. A heating apparatus is at least partially disposed around the bell. The heating apparatus includes a heated portion and a muffle portion located below the heated portion. A lower extended muffle structure extends downwardly from the muffle portion. The lower extended muffle structure extending about the glass tubing on all sides to manage convective airflow therethrough.