Bend-forming device for glass plate
US11919796B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 14, 2021 |
| Grant date | Mar 5, 2024 |
| Priority date | — |
| Expiry date | Jan 11, 2042 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC03B2215/50
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
An apparatus for bending a glass plate includes a lower ring mold to be disposed under a glass plate and configured to support an edge portion of the glass plate; a plurality of supporting members configured to support the lower ring mold; an upper mold to be disposed above the glass plate and having a downwardly convex forming surface configured to be pressed against the glass plate supported by the lower ring mold; a lower heater configured to heat the lower ring mold; and a spacer attached to the lower ring mold, the spacer configured to control a gap between the upper mold and the lower ring mold.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.