|  | C |
SECTION C — CHEMISTRY AND METALLURGY

METALLURGY

|  | C23 |
WORKING AND TREATMENT OF METALS, OTHER THAN BY MECHANICAL MEANS; COVERING MATERIALS WITH METALS (decorating textiles by metallising Fulltext... Hierarchy... Expanded...D06Q 1/04); INHIBITING CORROSION OR INCRUSTATION IN GENERAL

|  | C23C |
APPARATUS AND PROCESSES FOR WHICH PROVISION IS NOT MADE ELSEWHERE, e.g. IN CLASSES Fulltext... Hierarchy... Expanded...B05, Fulltext... Hierarchy... Expanded...B44, Fulltext... Hierarchy... Expanded...C03C, Fulltext... Hierarchy... Expanded...C08, OR IN Fulltext... Hierarchy... Expanded...C23B, Fulltext... Hierarchy... Expanded...C23D, Fulltext... Hierarchy... Expanded...C23F, Fulltext... Hierarchy... Expanded...F27B, FOR COVERING METALS OR COVERING MATERIALS WITH METALS; DIFFUSION PROCESSES FOR SURFACE TREATMENT OF METALS

|  | C23C 1/00 |
Covering by treatment with liquid metal, e.g. hot dipping processes (metal spraying Fulltext... Hierarchy... Expanded...C23C 7/00)

|  | C23C 1/02 |
· | Covering with zinc or cadmium or alloys thereof

|  | C23C 1/04 |
· | Covering with tin or alloys thereof

|  | C23C 1/06 |
· | Covering with lead or alloys thereof

|  | C23C 1/08 |
· | Covering with aluminium or alloys thereof

|  | C23C 1/10 |
· | Covering with other metals or alloys

|  | C23C 1/12 |
· | Fluxes or coverings for molten metal baths

|  | C23C 1/14 |
· | Apparatus (furnaces Fulltext... Hierarchy... Expanded...F27)

|  | C23C 1/16 |
· | Rubbing the surface with the molten metal

|  | C23C 3/00 |
Covering with metals by treatment with solutions or suspensions of metal compounds

|  | C23C 3/02 |
· | in the presence of reducing agents

|  | C23C 3/04 |
· | followed by thermal decomposition of the metal compound

|  | C23C 5/00 |
Cladding (mechanical part in the appropriate metal-working classes, e.g. Fulltext... Hierarchy... Expanded...B23P 3/00)

|  | C23C 7/00 |
Metal spraying

|  | C23C 9/00 |
Cementation by diffusion processes using solids or liquids

|  | C23C 9/02 |
· | Box coating with metals, i.e. heating the workpiece in metal dust

|  | C23C 9/04 |
· | Box coating with substances other than metals

|  | C23C 9/06 |
· | Box carburising

|  | C23C 9/08 |
· · | of iron

|  | C23C 9/10 |
· | Cementation by hot dipping in molten salts, e.g. carburising, nitriding, carbo-nitriding

|  | C23C 9/12 |
· · | Carburising iron

|  | C23C 9/14 |
· · | Nitriding iron

|  | C23C 9/16 |
· · | Carbo-nitriding iron

|  | C23C 11/00 |
Gas plating by thermal decomposition or reduction of gases on heated surfaces or by glow or arc discharge followed by diffusion into the surfaces

|  | C23C 11/02 |
· | to form metal coatings, e.g. by carbonyl processes

|  | C23C 11/04 |
· · | Chromising

|  | C23C 11/06 |
· · | Siliconising

|  | C23C 11/08 |
· | to form coatings of inorganic compounds of metals

|  | C23C 11/10 |
· | Gas carburising

|  | C23C 11/12 |
· · | of iron

|  | C23C 11/14 |
· | Gas nitriding; Gas carbo-nitriding

|  | C23C 11/16 |
· · | Nitriding iron

|  | C23C 11/18 |
· · | Carbo-nitriding iron

|  | C23C 13/00 |
Forming coatings on metals by condensation of vapours, e.g. in vacuo; Forming coatings on materials by condensation of metal vapours

|  | C23C 13/02 |
· | coatings of metals

|  | C23C 13/04 |
· | coatings of materials other than metals

|  | C23C 13/06 |
· | Making contoured surfaces, e.g. shadow casting

|  | C23C 13/08 |
· | Apparatus (furnaces Fulltext... Hierarchy... Expanded...F27)

|  | C23C 13/10 |
· · | for continuous working

|  | C23C 13/12 |
· · | Vapour sources, e.g. filament heaters, crucibles, electron bombardment heating apparatus (for gettering in electric discharge tubes Fulltext... Hierarchy... Expanded...H01J 7/18)

|  | C23C 15/00 |
Cathodic sputtering; Apparatus therefor

|  | C23C 17/00 |
Methods not covered elsewhere for coating materials with metals

|  | C23C 17/02 |
· | by reducing non-metallic coatings to metal