Method of producing glass blank
US5322541A · kind A · utility
9Cited by
5References
4Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Mar 26, 1992 |
| Grant date | Jun 21, 1994 |
| Priority date | — |
| Expiry date | Mar 26, 2012 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P40/57
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A method of producing a glass blank, comprising the steps of: supplying a desired weight of molten glass material to a bearer heated to a temperature of not more than a softening point of the glass material; performing and cancelling, at a temperature of not less than the softening point, pressing of the glass material supplied to the bearer so as to adjust a thickness of the glass material; and cooling the glass material to a temperature of not more than the softening point.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.