Claims
- 1. A heating element for a regenerative heat exchanger, comprising:a profiled steel plate having an enameled surface; and a fluorocarbon plastic coating disposed on said enameled surface.
- 2. The heating element according to claim 1, wherein said fluorocarbon plastic coating has a thickness from 10 to 50 micrometers.
- 3. The heating element according to claim 1, wherein said enameled surface is an acid-resistant enameled surface.
- 4. A method for producing a heating element for regenerative heat exchangers, which comprises the steps of:profiling steel coils by roll forming; cutting the heating element from the steel coils according to a required size resulting in a steel plate; enameling the steel plate resulting in a steel plate having an enameled surface; and applying a fluorocarbon plastic coating to the steel plate.
- 5. The method according to claim 4, which comprises roughening the enameled surface of the steel plate.
- 6. The method according to claim 4, which comprises applying the fluorocarbon plastic coating in one layer.
- 7. The method according to claim 4, which comprises applying the fluorocarbon plastic coating in more than one layer.
Priority Claims (1)
Number |
Date |
Country |
Kind |
199 40 627 |
Aug 1999 |
DE |
|
CROSS-REFERENCE TO RELATED APPLICATION
This application is a continuation of copending International Application No. PCT/EP00/08018, filed Aug. 17, 2000, which designated the United States.
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Continuations (1)
|
Number |
Date |
Country |
Parent |
PCT/EP00/08018 |
Aug 2000 |
US |
Child |
10/084133 |
|
US |