Device for warm press forming a plate-like member into a shadow mask for a color cathode ray tube
US4792318A · kind A · utility
5Cited by
5References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 15, 1987 |
| Grant date | Dec 20, 1988 |
| Priority date | — |
| Expiry date | May 15, 2007 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01J9/142
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A device for warm press forming a plate-like member into a shadow mask for a color cathode ray tube comprises a mold for applying pressure to the plate-like member, including a heated inner section and an outer section, and insulation means between the inner and outer sections for reducing heat transmission from the inner section to the outer section for increasing the thermal efficiency of the device.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.