Method of pretreating glass batch
US4604121A · kind A · utility
4Cited by
11References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 2, 1985 |
| Grant date | Aug 5, 1986 |
| Priority date | — |
| Expiry date | Jul 2, 2005 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P40/57
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
In a glass batch liquefying process, batch-entrained nitrogen is purged by contacting the batch with a substantially nitrogen-free gas in a pretreating stage.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.