Apparatus having a curved roller for bending a glass sheet
US6843074B2 · kind B2 · utility
3Cited by
7References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 18, 2003 |
| Grant date | Jan 18, 2005 |
| Priority date | — |
| Expiry date | Mar 18, 2023 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC03B35/189
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A glass sheet is heated to a forming temperature in a heating furnace, the heated glass sheet is conveyed along a conveying plane defined by a plurality of rollers of a roller conveyer, and is moved up and down on the rollers according to the position of the glass sheet to curve a part of the conveying plane with respect to the glass sheet conveying direction to bend the glass sheet to have a desired curvature by its own weight. The rollers are curved rollers.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.