Patent ID: 6958096

Claim:
A fiber coating applicator, comprising: a chamber, a cup positioned over the chamber, and an entrance die assembly mounted into a chamber entrance opening between the cup and the chamber, the entrance die assembly including an entrance die insert mounted into an entrance fitting, the entrance fitting held in position by an entrance set screw that is screwed into the chamber entrance opening, the entrance die insert having an entrance aperture therethrough connecting the cup to the chamber, the chamber including an exit aperture opposite the entrance aperture, the cup, entrance aperture, chamber, and exit aperture defining a pathway for a fiber to be coated, the chamber further including an input port for pumping a coating material into the chamber, the entrance aperture being dimensioned such that as the fiber travels along the pathway and coating material is pumped into the chamber, coating material travels upward through the entrance aperture around the fiber into the cup, the upward flow of coating material being restricted by the fiber and entrance aperture such that there is a hydrostatic pressure in the chamber, the exit aperture being dimensioned to shape coating material around the fiber.