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. 15, 2016
Filed:
Apr. 03, 2012
Applicants:
Alan Mundy, Ponteland, GB;
Ian George Sayce, Stocksfield, GB;
Inventors:
Alan Mundy, Ponteland, GB;
Ian George Sayce, Stocksfield, GB;
Assignee:
Heraeus Quartz UK Limited, Wallsend, Tyne and Wear, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C03B 37/014 (2006.01); C03B 19/14 (2006.01);
U.S. Cl.
CPC ...
C03B 37/014 (2013.01); C03B 19/1492 (2013.01); C03B 37/01493 (2013.01); C03B 2207/36 (2013.01); C03B 2207/52 (2013.01); C03B 2207/54 (2013.01); C03B 2207/70 (2013.01); Y10T 428/131 (2015.01);
Abstract
Processes for the manufacture of a hollow cylindrical porous body of synthetic vitreous silica soot by outside vapor deposition on a mandrel are described, in which the temperature of the mandrel is controlled to be substantially constant throughout the deposition process. In preferred embodiments, the mandrel is composed of metal or metal alloy. Hollow ingots of pure or doped synthetic vitreous silica glass manufactured by such processes are also described.