Patent ID: 6695522
Filing Date: 2004-02-24
Classification: F16L,F28F,Y10T

Abstract:
A closure ring useful in an all-ceramic ball joint assembly used in a unitary, ceramic tube tile, said closure ring having a width essentially one-half of the length of the tube tile which tube tile has a bottom surface, a plug side, and a tube side, said closure ring having a top surface, a bottom surface, a near end and a distal end wherein the top surface is intended to be cemented to the bottom surface of the tube tile near the tube side of the tube tile such that the distal end of the closure ring is essentially vertically aligned with the tube side of the tube tile, said closure ring has an arcuate notch in the near end and at the bottom thereof, said arcuate notch being covered with a coating of a smooth, refractory ceramified frit glaze intended to be mated with the outer surface of a spherical body contained in a ball joint.