Microstructured hot stamping die
US9155129B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 27, 2012 |
| Grant date | Oct 6, 2015 |
| Priority date | — |
| Expiry date | Jun 27, 2032 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/49146
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A stamping die for hot stamping a material includes a profiled stamping surface, wherein the stamping die includes at least one thermally insulating substrate, on which an electrically conductive structure having a heating resistor is arranged, and wherein the electrically conductive structure is covered by an electrically insulating film. The surface of the electrically insulating film includes the profiled stamping surface and the electrically insulating film covers at least the heating resistor such that the electrically insulating film with the stamping surface can be electrically heated by the heating resistor. A method for hot stamping a material using such a stamping die includes heating the resistor to a temperature between 100° C. and 800° C.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.