3D cover glass, mold for molding same, and method for manufacturing 3D cover glass
US10703666B2 · kind B2 · utility
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1References
13Claims
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Key dates
| Filing date | Sep 6, 2018 |
| Grant date | Jul 7, 2020 |
| Priority date | — |
| Expiry date | Nov 28, 2038 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P40/57
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
Provided is a molding die for 3D cover glass containing a pair of a convex mold and a concave mold each having a flat press surface A and a press surface B, in which the closest distance D between the press surfaces A of the convex mold and the concave mold during press-molding and the closest distance D1 between the press surfaces B of the convex mold and the concave mold during press-molding satisfy a predetermined conditions with respect to the plate thickness of a 3D cover glass as a final product.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.