Glass manufacturing apparatus and methods for manufacturing a glass ribbon
US9388065B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 29, 2013 |
| Grant date | Jul 12, 2016 |
| Priority date | — |
| Expiry date | Nov 20, 2033 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC03B17/068
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A glass manufacturing apparatus is described herein that comprises a forming device configured to produce a glass ribbon and a pull roll device which draws the glass ribbon downward from the forming device. The pull roll device has a first roll apparatus, a second roll apparatus, and a third roll apparatus. The pull roll device is configured to at least independently operate the first roll apparatus and the second roll apparatus such that at least one of a first upstream pair of draw rolls rotates with a substantially constant torque and at least one of a first downstream pair of draw rolls rotates with a substantially constant angular velocity. In further examples, methods of manufacturing a glass ribbon are provided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.