(0)C23D:0/0:
IPC6
SECTION C - CHEMISTRY; METALLURGY
ENAMELLING OF, OR APPLYING A VITREOUS LAYER TO, METALS
C23D
1/1

C 23 D

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

 

 

 
 

 1
/ 00 Melting or fritting the enamels; Apparatus or furnaces therefor

1
/ 02 • Granulating the melt; Drying the granules  

Coating with the enamels
 

 3
/ 00 Chemical treatment of the metal surfaces prior to coating (cleaning or de-greasing of metallic objects C 23 G)
 

 5
/ 00 Coating 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
/ 00 Treating the coatings, e.g. drying before burning

Firing the enamels
 

 9
/ 00 Ovens 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
/ 00 Continuous processes; Apparatus therefor

After-treatment
 

 13
/ 00 After-treatment of the enamelled articles

13
/ 02 • Removing defects by local re-melting of the enamel; Adjusting the shape  
 

 15
/ 00 Joining enamelled articles to other enamelled articles by processes involving an enamelling step
 

 17
/ 00 De-enamelling