Patent ID: 8393178

Claim:
Apparatus for fabricating sheets of glass using a drawing process which produces a ribbon of glass, the ribbon having: (i) a center line, (ii) a first edge, (iii) a second edge, (iv) a first bead portion which begins at the first edge and extends inward towards the center line, and (v) a second bead portion which begins at the second edge and extends inward towards the center line, the apparatus comprising first and second jets for applying a cooling fluid to the first bead portion, wherein the first and second jets are: (a) located on opposite sides of the ribbon; (b) aimed at substantially the same down-the-draw location and substantially the same transverse position on the first bead; and (c) oriented at an angle and pointed away from the center line of the glass ribbon so that the first and second jets point outward towards the first edge.