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. 22, 2011
Filed:
Feb. 17, 2009
Applicants:
David J. Welker, Vancouver, WA (US);
Yordan Miladinov, Porland, OR (US);
Inventors:
David J. Welker, Vancouver, WA (US);
Yordan Miladinov, Porland, OR (US);
Assignee:
Paradigm Optics, Vancouver, WA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B 6/02 (2006.01); C03B 37/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A system and method for drawing a preform. A draw tower includes a mount configured to suspend a preform. The method includes securing the preform to a mount and enclosing the preform in an enclosure. The enclosure has an external surface and defines an orifice through which material drawn from the preform can exit the enclosure. The preform is heated through the external surface is heated to a temperature suitable for drawing the material from the preform. Material is drawn from the preform through the orifice and collected.