IPC 6 English version
 
C23D-C23D01700

SECTION C– CHEMISTRY; METALLURGY


C 23COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL (by metallising textiles D 06 M 11/83; decorating textiles by locally metallising D 06 Q 1/04); CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL (for specific applications, see the relevant places, e.g. for manufacturing resistors H 01 C 17/06); INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL (treating metal surfaces or coating of metals by electrolysis or electrophoresis C 25 D, C 25 F) [2]


C 23 DENAMELLING OF, OR APPLYING A VITREOUS LAYER TO, METALS (chemical composition of the enamels C 03 C)


1/

00Melting or fritting the enamels; Apparatus or furnaces therefor

1/

02.Granulating the melt; Drying the granules


Coating with the enamels


3/

00Chemical treatment of the metal surfaces prior to coating (cleaning or de-greasing of metallic objects C 23 G)


5/

00Coating with enamels or vitreous layers [4]

5/

02.by wet methods

5/

04.by dry methods

5/

06.producing designs or letters

5/

08.Applying enamels non-uniformly over the surface


7/

00Treating the coatings, e.g. drying before burning


Firing the enamels


9/

00Ovens specially adapted for firing enamels

9/

02.Non-electric muffle furnaces

9/

04.Non-electric tunnel ovens

9/

06.Electric furnaces

9/

08.Supporting devices for burning-bars

9/

10.Loading or unloading devices


11/

00Continuous processes; Apparatus therefor


After-treatment


13/

00After-treatment of the enamelled articles

13/

02.Removing defects by local re-melting of the enamel; Adjusting the shape


15/

00Joining enamelled articles to other enamelled articles by processes involving an enamelling step


17/

00De-enamelling