IP Library Granted Patent US 12,448,313
Granted Patent B2
US 12,448,313 · App. 17/916,454 · Granted Oct 21, 2025

Versatile glass forming conveyor with 3-D vacuum forming capability

Inventors: Douglas Dale Bressler (Julian, PA); David Alan Deneka (Corning, NY); William Edward Lock (Horseheads, NY); Phillip Richard MacCormack (Rochester, NY); Thomas Matthew Sonner (Corning, NY)
Assignee: CORNING INCORPORATED
C03B13/08C03B33/0235C03B35/142
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Quick Facts
Patent No.
US 12,448,313
App. No.
17/916,454
Granted
Oct 21, 2025
Kind
B2
Abstract

Various aspects of methods and systems are provided, which detail: a method, comprising: depositing a hot, flexible glass-containing ribbon along a plurality of sequentially conveyed molds; rolling a pinch roller over the surface of the glass-containing ribbon, such that at least one pinch region is actuated in the glass ribbon as the glass ribbon is pinched between a pinch edge of the pinch roller and the surface of the mold; and cooling the glass ribbon, separating the glass ribbon along the pinch region into discrete glass parts.

Claims (10)

1. A method, comprising:

depositing a hot flexible glass-containing ribbon along a plurality of sequentially conveyed molds;

rolling a pressure roller over a surface of the glass-containing ribbon, such that at least one pinch region is actuated in the glass-containing ribbon as the glass-containing ribbon is pinched between a protruding pinch edge of the pressure roller and a surface of the mold, wherein the at least one pinch region has a cross-sectional thickness that is not greater than 75% of a cross-sectional thickness of the glass-containing ribbon;

cooling the glass-containing ribbon; and

separating the glass-containing ribbon along the at least one pinch region into discrete glass parts.

2. The method of claim 1 , further wherein a perimetrical edge of each of the discrete glass parts is defined by the at least one pinch region.

3. The method of claim 2 , further wherein the at least one pinch region is at least one of the edges of the glass-containing ribbon.

4. The method of claim 1 , wherein the rolling of the pressure roller over the surface of the glass-containing ribbon is performed such that the pressure roller is actuated in the glass-containing ribbon as the glass-containing ribbon is pressed between a first three-dimensional surface pattern of the mold comprising a cavity and the pressure roller, and wherein the cooling of the glass-containing ribbon forms a three-dimensional patterned surface glass-containing ribbon, wherein each mold is configured with a first three-dimensional surface pattern.

5. The method of claim 4 , wherein the pressure roller has a surface defined with a second three-dimensional pattern.

6. The method of claim 1 , wherein each mold comprises a three-dimensional part shape in the surface of each mold with vacuum engaging portions, wherein the method further comprises negatively pressurizing a cavity defined between the glass-containing ribbon and the mold surface via the vacuum engaging portions, thereby forming the glass-containing ribbon to the surface of the three-dimensional part shape, wherein the rolling of the pressure roller over the surface of the glass-containing ribbon is performed such that the pressure roller engages the glass-containing ribbon towards the mold, and wherein the cooling of the glass-containing ribbon forms a three-dimensional glass part.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Sep 30, 2022
From: BRESSLER, DOUGLAS DALE; DENEKA, DAVID ALAN; LOCK, WILLIAM EDWARD; MACCORMACK, PHILLIP RICHARD; SONNER, THOMAS MATTHEW
To: CORNING INCORPORATED
Reel/Frame 061276/0418 →
Continuity (3)
Provisional Application 63119261 · Nov 30, 2020
Provisional Application 63003037 · Mar 31, 2020
Related Publication 20230174406A1 · Jun 8, 2023
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