Planar heating element and production thereof
US4055526A · kind A · utility
36Cited by
8References
8Claims
0Family size
Inventors
Key dates
| Filing date | Mar 26, 1975 |
| Grant date | Oct 25, 1977 |
| Priority date | — |
| Expiry date | Mar 26, 1995 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S264/46
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The present invention is related to a method for producing a planar heating element. The method comprises melt-admixing an insulating thermoplastic resin with an electrically conductive powder. The mixture is then extruded, and the extruded body is rapidly cooled.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.