Method and apparatus for vertically drawing a glass ribbon
US3938979A · kind A · utility
3Cited by
2References
17Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 1, 1974 |
| Grant date | Feb 17, 1976 |
| Priority date | — |
| Expiry date | Aug 1, 1994 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC03B15/04
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
In the manufacture of sheet glass by drawing a ribbon of glass upwardly from a molten glass bath via a meniscus located at the glass surface in the drawing zone, a pool of molten material is contained in the bath beneath the drawing zone by a refractory member and the molten material pool is thermally conditioned to maintain a predetermined temperature profile in at least part of the drawing zone.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.