Process and plant for the treatment of the glass sheets of an asymmetric glass-sheet pair
US8448466B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 22, 2004 |
| Grant date | May 28, 2013 |
| Priority date | — |
| Expiry date | Apr 26, 2026 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC03B29/08
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
The glass sheets (2) of an asymmetric glass-sheet pair, which is intended for the production of laminated glass, are preheated in a preheating furnace (1) and then undergo a press-bending process in a press-bending station (4). By means of a temperature measuring point (11) arranged at the exit of the press-bending station, it is ensured that the glass sheets exhibit a uniform bending behavior, in order to guarantee identical restoring forces during cooling. The temperature measuring point (11) is connected to a control device (16), which causes an intermediate cooling of the glass sheet heating more rapidly by means of an intermediate cooling installation (12, 13) in the pre-heating furnace and/or lengthens its dwell time in the press-bending station (4) by means of a timing control element (15).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.