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:
Nov. 28, 2017
Filed:
Sep. 06, 2016
Draka Comteq B.v., Amsterdam, NL;
Igor Milicevic, Amsterdam, NL;
Johannes Antoon Hartsuiker, Amsterdam, NL;
Mattheus Jacobus Nicolaas Van Stralen, Amsterdam, NL;
Gertjan Krabshuis, Amsterdam, NL;
Eric Aloysius Kuijpers, Amsterdam, NL;
Draka Comteq B.V., Amsterdam, NL;
Abstract
A device for manufacturing an optical preform by means of an internal vapour deposition process including an energy source, a hollow substrate tube having a supply side and a discharge side and the energy source being moveable along a length of the hollow substrate tube, and an elongation tube connected to the hollow substrate tube at the discharge side thereof, wherein the hollow substrate tube extends into an interior of the elongation tube and an internal diameter of the elongation tube is at least 0.5 millimeters larger than an external diameter of the hollow substrate tube.