Patents Assigned to Paradigm Optics
  • Enclosed drawing method
    Patent number: 7892460
    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.
    Type: Grant
    Filed: February 17, 2009
    Date of Patent: February 22, 2011
    Assignee: Paradigm Optics
    Inventors: David J. Welker, Yordan Miladinov