|
C23D 1/00
|
Melting or fritting the enamelsApparatus or furnaces therefor |
|
C23D 1/02
|
Granulating the meltDrying the granules |
|
C23D 3/00
|
Chemical treatment of the metal surfaces prior to coating |
|
C23D 5/00
|
Coating with enamels or vitreous layers |
|
C23D 5/02
|
Coating with enamels or vitreous layers by wet methods |
|
C23D 5/04
|
Coating with enamels or vitreous layers by dry methods |
|
C23D 5/06
|
Coating with enamels or vitreous layers producing designs or letters |
|
C23D 5/08
|
Applying enamels non-uniformly over the surface |
|
C23D 7/00
|
Treating the coatings, e.g. drying before burning |
|
C23D 9/00
|
Ovens specially adapted for firing enamels |
|
C23D 9/02
|
Non-electric muffle furnaces |
|
C23D 9/04
|
Non-electric tunnel ovens |
|
C23D 9/06
|
Electric furnaces |
|
C23D 9/08
|
Supporting devices for burning-bars |
|
C23D 9/10
|
Loading or unloading devices |
|
C23D 11/00
|
Continuous processes for firing enamelsApparatus therefor |
|
C23D 13/00
|
After-treatment of the enamelled articles |
|
C23D 13/02
|
Removing defects by local re-melting of the enamelAdjusting the shape |
|
C23D 15/00
|
Joining enamelled articles to other enamelled articles by processes involving an enamelling step |
|
C23D 17/00
|
De-enamelling |
