US 12,384,711 B2
Methods and apparatus for manufacturing a glass ribbon
Rashid Abdul-Rahman, Horseheads, NY (US); Bulent Kocatulum, Horseheads, NY (US); Timothy L Lansberry, Watkins Glen, NY (US); and Bradley Clayton O'Connor, Rome, PA (US)
Assigned to CORNING INCORPORATED, Corning, NY (US)
Appl. No. 17/794,090
Filed by Corning Incorporated, Corning, NY (US)
PCT Filed Feb. 1, 2021, PCT No. PCT/US2021/015997
§ 371(c)(1), (2) Date Jul. 20, 2022,
PCT Pub. No. WO2021/158460, PCT Pub. Date Aug. 12, 2021.
Claims priority of provisional application 62/969,282, filed on Feb. 3, 2020.
Prior Publication US 2023/0056198 A1, Feb. 23, 2023
Int. Cl. C03B 17/06 (2006.01)
CPC C03B 17/068 (2013.01) [C03B 17/064 (2013.01); C03B 17/067 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A glass manufacturing apparatus comprising:
a forming vessel comprising a first end and a second end, the first end comprising a vessel surface defining a recess;
a compression block positioned within the recess and comprising a first surface and a contact surface that contacts the vessel surface, the compression block configured to apply a force to the forming vessel, the first surface comprising a non-planar shape; and
a support apparatus comprising a support surface supporting the compression block, the support surface in contact with a portion of the first surface,
wherein the first surface comprises a first surface portion, a second surface portion, and a third surface portion, the first surface portion in contact with the support surface and comprising a planar shape, and the second surface portion and the third surface portion are positioned on opposite sides of the first surface portion, the second surface portion forming a first angle that is from about 1 degree to about 3 degrees relative to the first surface portion, the third surface portion forming a second angle that is from about 1 degree to about 3 degrees relative to the first surface portion.