Planar heating unit
US4587402A · kind A · utility
12Cited by
2References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 22, 1984 |
| Grant date | May 6, 1986 |
| Priority date | — |
| Expiry date | Feb 22, 2004 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH05B3/283
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A planar heating unit comprises a base plate (1) having a surface electrically insulated by an insulation enamel layer (2a) or the like, a heating conductor (3) placed on the insulation surface of the base plate for generating Joule heat, and an enamel layer (4) fixing the heating conductor to the base plate (1) and covering the upper surface of the heating conductor.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.