1. CPC Sections
  2. CPC Section B
  3. CPC Class B22
  4. CPC Subclass B22F
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CPC
COOPERATIVE PATENT CLASSIFICATION
​​
B22F
WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER (making alloys by powder metallurgy C22C); APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER [2022-01]
NOTES

  • This subclass covers the making of metallic powder only insofar as powder with specific physical characteristics is made.
  • In this subclass, the term "powder" includes somewhat larger particles which are worked, obtained or behave in a manner similar to powder, e.g. fibres.
  • In this subclass, the expression "metallic powder" covers:
    • powders consisting of metal particles;
    • powders consisting of coated metal particles;
    • powders consisting of metal-coated non-metallic particles;
    • mixtures of powders of the kinds mentioned above;
    • powders of the kinds mentioned above as the main component mixed with or containing non-metallic material, e.g. lubricating or binding agents or organic material.
  • {In this subclass, combination sets (C-Sets) are used. Detailed information about C-Sets construction and the associated syntax rules is found in the definitions for B22F.}
WARNINGS

  • The following IPC groups are not in the CPC scheme. The subject matter for these IPC groups is classified in the following CPC groups:
    B22F3/035 covered by B22F 3/03
  • In this subclass non-limiting references (in the sense of paragraph 39 of the Guide to the IPC) may still be displayed in the scheme.
B22F 1/00
Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties [2023-08]
B22F 1/05
.
Metallic powder characterised by the size or surface area of the particles [2023-08]
B22F 1/052
. .
characterised by a mixture of particles of different sizes or by the particle size distribution [2023-08]
B22F 1/054
. .
Nanosized particles [2023-08]
B22F 1/0545
. . .
Dispersions or suspensions of nanosized particles [2023-08]
B22F 1/0547
. . .
{Nanofibres or nanotubes} [2023-08]
B22F 1/0549
. . .
{Hollow particles, including tubes and shells} [2023-08]
B22F 1/0551
. . .
{Flake form nanoparticles} [2023-08]
B22F 1/0553
. . .
{Complex form nanoparticles, e.g. prism, pyramid, octahedron} [2023-08]
B22F 1/056
. . .
{Submicron particles having a size above 100 nm up to 300 nm} [2023-08]
B22F 1/06
.
Metallic powder characterised by the shape of the particles (nanosized particles B22F 1/054) [2023-08]
B22F 1/062
. .
Fibrous particles [2023-08]
B22F 1/065
. .
Spherical particles [2023-08]
B22F 1/0655
. . .
Hollow particles [2023-08]
B22F 1/068
. .
Flake-like particles [2023-08]
B22F 1/07
.
Metallic powder characterised by particles having a nanoscale microstructure (nanosized particles B22F 1/054) [2023-08]
B22F 1/08
.
Metallic powder characterised by particles having an amorphous microstructure [2023-08]
B22F 1/09
.
{Mixtures of metallic powders} [2023-08]
B22F 1/10
.
Metallic powder containing lubricating or binding agents; Metallic powder containing organic material [2023-08]
B22F 1/102
. .
Metallic powder coated with organic material [2023-08]
B22F 1/103
. .
containing an organic binding agent comprising a mixture of, or obtained by reaction of, two or more components other than a solvent or a lubricating agent [2023-08]
B22F 1/105
. .
containing inorganic lubricating or binding agents, e.g. metal salts [2023-08]
B22F 1/107
. .
containing organic material comprising solvents, e.g. for slip casting [2023-08]
B22F 1/108
. .
{Mixtures obtained by warm mixing} [2023-08]
B22F 1/12
.
Metallic powder containing non-metallic particles (containing lubricating or binding agents or organic material B22F 1/10) [2023-08]
B22F 1/14
.
Treatment of metallic powder (mixing with lubricating or binding agents or with organic material B22F 1/10) [2023-08]
B22F 1/142
. .
Thermal or thermo-mechanical treatment [2023-08]
B22F 1/145
. .
Chemical treatment, e.g. passivation or decarburisation [2023-08]
B22F 1/147
. . .
{Making a dispersion} [2023-08]
B22F 1/148
. .
Agglomerating [2023-08]
B22F 1/16
.
Metallic particles coated with a non-metal (coated with lubricating or binding agents or with organic material B22F 1/10) [2023-08]
B22F 1/17
.
Metallic particles coated with metal [2023-08]
B22F 1/18
.
Non-metallic particles coated with metal [2023-08]
B22F 3/00
Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor {; Presses and furnaces} [2023-08]
B22F 3/001
.
{Starting from powder comprising reducible metal compounds (making ferrous alloys starting from compounds C22C 33/0235)} [2013-01]
B22F 3/002
.
{Manufacture of articles essentially made from metallic fibres} [2013-01]
B22F 3/003
.
{Apparatus, e.g. furnaces (in general F27B)} [2013-01]
B22F 3/004
.
{Filling molds with powder (feeding material to presses in general B30B 15/302)} [2013-01]
B22F 3/005
.
{Loading or unloading powder metal objects (transport in general B65G)} [2013-01]
B22F 3/006
.
{Amorphous articles} [2013-01]
B22F 3/007
. .
{by diffusion starting from non-amorphous articles prepared by powder metallurgy} [2013-01]
B22F 3/02
.
Compacting only [2013-01]
B22F 2003/023
. .
{Lubricant mixed with the metal powder} [2013-01]
B22F 2003/026
. .
{Mold wall lubrication or article surface lubrication} [2013-01]
B22F 3/03
. .
Press-moulding apparatus therefor [2013-01]
B22F 2003/031
. . .
{with punches moving in different directions in different planes} [2013-01]
B22F 2003/033
. . .
{with multiple punches working in the same direction} [2013-01]
B22F 3/04
. .
by applying fluid pressure {, e.g. by cold isostatic pressing [CIP]} [2016-08]
B22F 3/045
. . .
{Semi-isostatic pressure} [2013-01]
B22F 3/06
. .
by centrifugal forces [2013-01]
B22F 3/08
. .
by explosive forces {(generating shock waves in general G10K 15/043)} [2013-01]
B22F 3/087
. .
using high energy impulses, e.g. magnetic field impulses [2013-01]
B22F 3/093
. .
using vibrations {or friction} [2013-01]
B22F 3/10
.
Sintering only [2013-01]
B22F 3/1003
. .
{Use of special medium during sintering, e.g. sintering aid} [2013-01]
B22F 3/1007
. . .
{Atmosphere (B22F 3/1021 takes precedence)} [2013-01]
B22F 3/101
. . . .
{Changing atmosphere} [2013-01]
B22F 2003/1014
. . .
{Getter} [2013-01]
B22F 3/1017
. .
{Multiple heating or additional steps (B22F 3/101 takes precedence)} [2013-01]
B22F 3/1021
. . .
{Removal of binder or filler (removal of binder from ceramics C04B 35/638)} [2013-01]
B22F 3/1025
. . . .
{not by heating only} [2013-01]
B22F 3/1028
. . .
{Controlled cooling} [2013-01]
B22F 2003/1032
. .
{comprising a grain growth inhibitor} [2013-01]
B22F 3/1035
. .
{Liquid phase sintering} [2013-01]
B22F 3/1039
. .
{by reaction (B22F 3/001, B22F 3/23 take precedence)} [2013-01]
B22F 2003/1042
. .
{with support for articles to be sintered} [2013-01]
B22F 2003/1046
. . .
{with separating means for articles to be sintered} [2013-01]
B22F 3/105
. .
by using electric current {other than for infrared radiant energy}, laser radiation or plasma (B22F 3/11 takes precedence){; by ultrasonic bonding (B22F 3/115 takes precedence)} [2023-08]
B22F 2003/1051
. . .
{by electric discharge} [2013-01]
B22F 2003/1052
. . .
{assisted by energy absorption enhanced by the coating or powder} [2013-01]
B22F 2003/1053
. . .
{by induction} [2013-01]
B22F 2003/1054
. . .
{by microwave} [2013-01]
B22F 3/11
. .
Making porous workpieces or articles [2013-01]
B22F 3/1103
. . .
{with particular physical characteristics} [2013-01]
B22F 2003/1106
. . . .
{Product comprising closed porosity} [2013-01]
B22F 3/1109
. . . .
{Inhomogenous pore distribution (composite layers of porous nature B22F 7/002)} [2013-01]
B22F 3/1112
. . . .
{comprising hollow spheres or hollow fibres} [2013-01]
B22F 3/1115
. . . .
{comprising complex forms, e.g. honeycombs} [2013-01]
B22F 3/1118
. . . .
{comprising internal reinforcements} [2013-01]
B22F 3/1121
. . .
{by using decomposable, meltable or sublimatable fillers} [2013-01]
B22F 3/1125
. . . .
{involving a foaming process} [2013-01]
B22F 2003/1128
. . . . .
{Foaming by expansion of dissolved gas, other than with foaming agent} [2013-01]
B22F 2003/1131
. . . . .
{Foaming in a liquid suspension and decomposition} [2013-01]
B22F 3/1134
. . . .
{Inorganic fillers (carbonaceous or paper filler B22F 3/1121)} [2013-01]
B22F 3/1137
. . . .
{by coating porous removable preforms} [2013-01]
B22F 3/114
. . .
{the porous products being formed by impregnation (B22F 3/1137, B22F 3/26 take precedence)} [2013-01]
B22F 3/1143
. . .
{involving an oxidation, reduction or reaction step} [2013-01]
B22F 3/1146
. . .
{After-treatment maintaining the porosity (B22F 3/114 takes precedence)} [2013-01]
B22F 3/115
.
by spraying molten metal, i.e. spray sintering, spray casting [2016-01]
B22F 3/12
.
Both compacting and sintering (by forging B22F 3/17) [2013-01]
B22F 3/1208
. .
{Containers or coating used therefor} [2013-01]
B22F 3/1216
. . .
{Container composition} [2013-01]
B22F 3/1225
. . . .
{Glass} [2013-01]
B22F 3/1233
. . . .
{Organic material} [2013-01]
B22F 3/1241
. . . .
{layered} [2013-01]
B22F 3/125
. . .
{Initially porous container} [2013-01]
B22F 3/1258
. . .
{Container manufacturing} [2013-01]
B22F 3/1266
. . . .
{by coating or sealing the surface of the preformed article, e.g. by melting} [2013-01]
B22F 3/1275
. . . .
{by coating a model and eliminating the model before consolidation} [2013-01]
B22F 3/1283
. . . .
{Container formed as an undeformable model eliminated after consolidation} [2013-01]
B22F 3/1291
. . . .
{Solid insert eliminated after consolidation} [2013-01]
B22F 3/14
. .
simultaneously [2013-01]
B22F 2003/145
. . .
{by warm compacting, below debindering temperature} [2013-01]
B22F 3/15
. . .
Hot isostatic pressing [2013-01]
B22F 2003/153
. . . .
{apparatus specific to HIP} [2013-01]
B22F 3/156
. . . .
{by a pressure medium in liquid or powder form} [2013-01]
B22F 3/16
. .
in successive or repeated steps [2014-11]
B22F 3/162
. . .
{Machining, working after consolidation} [2013-01]
B22F 3/164
. . .
{Partial deformation or calibration} [2013-01]
B22F 2003/166
. . . .
{Surface calibration, blasting, burnishing, sizing, coining} [2013-01]
B22F 3/168
. . . .
{Local deformation} [2013-01]
B22F 3/17
.
by forging [2013-01]
B22F 3/172
. .
{Continuous compaction, e.g. rotary hammering (with axial pressure and without reduction of section B22F 3/204)} [2013-01]
B22F 2003/175
. .
{by hot forging, below sintering temperature} [2013-01]
B22F 3/177
. .
{Rocking die forging} [2013-01]
B22F 3/18
.
by using pressure rollers [2013-01]
B22F 2003/185
. .
{by hot rolling, below sintering temperature} [2013-01]
B22F 3/20
.
by extruding [2013-01]
B22F 2003/202
. .
{with back pressure} [2013-01]
B22F 3/204
. .
{Continuous compaction with axial pressure and without reduction of section} [2013-01]
B22F 2003/206
. .
{Hydrostatic or hydraulic extrusion} [2013-01]
B22F 2003/208
. .
{Warm or hot extruding} [2013-01]
B22F 3/22
.
for producing castings from a slip [2013-01]
B22F 3/222
. .
{by freeze-casting or in a supercritical fluid} [2013-01]
B22F 3/225
. .
{by injection molding} [2014-11]
B22F 3/227
. .
{by organic binder assisted extrusion} [2014-11]
B22F 3/23
.
involving a self-propagating high-temperature synthesis or reaction sintering step {(making cermets by reaction sintering C22C 1/051)} [2023-01]
B22F 3/24
.
After-treatment of workpieces or articles {(B22F 3/1146 takes precedence)} [2013-01]
B22F 2003/241
. .
{Chemical after-treatment on the surface} [2013-01]
B22F 2003/242
. . .
{Coating} [2013-01]
B22F 2003/244
. . .
{Leaching} [2013-01]
B22F 2003/245
. .
{Making recesses, grooves etc on the surface by removing material} [2013-01]
B22F 2003/247
. .
{Removing material: carving, cleaning, grinding, hobbing, honing, lapping, polishing, milling, shaving, skiving, turning the surface} [2013-01]
B22F 2003/248
. .
{Thermal after-treatment} [2013-01]
B22F 3/26
. .
Impregnating {(making ferrous alloys by impregnation C22C 33/0242)} [2013-01]
B22F 5/00
Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product [2013-01]
B22F 2005/001
.
{Cutting tools, earth boring or grinding tool other than table ware} [2013-01]
B22F 2005/002
.
{Tools other than cutting tools} [2013-01]
B22F 5/003
.
{Articles made for being fractured or separated into parts} [2013-01]
B22F 2005/004
.
{Article comprising helical form elements (B22F 5/085 takes precedence)} [2013-01]
B22F 2005/005
.
{Article surface comprising protrusions} [2013-01]
B22F 5/006
.
{of flat products, e.g. sheets (B22F 3/1103 takes precedence; by using pressure rollers only see B22F 3/18)} [2013-01]
B22F 5/007
.
{of moulds} [2013-01]
B22F 5/008
.
{of engine cylinder parts or of piston parts other than piston rings (of piston rings B22F 5/02)} [2013-01]
B22F 5/009
.
{of turbine components other than turbine blades (of turbine blades B22F 5/04)} [2013-01]
B22F 5/02
.
of piston rings [2013-01]
B22F 5/04
.
of turbine blades [2013-01]
B22F 5/06
.
of threaded articles, e.g. nuts [2013-01]
B22F 5/08
.
of toothed articles, e.g. gear wheels; of cam discs [2013-01]
B22F 5/085
. .
{with helical contours} [2013-01]
B22F 5/10
.
of articles with cavities or holes, not otherwise provided for in the preceding subgroups [2013-01]
B22F 2005/103
. .
{Cavity made by removal of insert} [2013-01]
B22F 5/106
. .
{Tube or ring forms} [2014-11]
B22F 5/12
.
of wires {(of tubes B22F 5/10)} [2013-01]
B22F 7/00
Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting {wherein at least one part is obtained by sintering or compression (application of coating layers by use of metal powders, see C23C)} [2013-01]
B22F 7/002
.
{of porous nature} [2013-01]
B22F 7/004
. .
{comprising at least one non-porous part} [2013-01]
B22F 7/006
. . .
{the porous part being obtained by foaming} [2013-01]
B22F 7/008
.
{characterised by the composition} [2013-01]
B22F 7/02
.
of composite layers {(B22F 7/002 takes precedence)} [2013-01]
B22F 7/04
. .
with one or more layers not made from powder, e.g. made from solid metal [2013-01]
B22F 2007/042
. . .
{characterised by the layer forming method} [2013-01]
B22F 2007/045
. . . .
{accompanied by fusion or impregnation} [2013-01]
B22F 2007/047
. . . .
{non-pressurised baking of the paste or slurry containing metal powder} [2013-01]
B22F 7/06
.
of composite workpieces or articles from parts, e.g. to form tipped tools {(B22F 7/002 takes precedence)} [2013-01]
B22F 7/062
. .
{involving the connection or repairing of preformed parts} [2013-01]
B22F 7/064
. . .
{using an intermediate powder layer} [2013-01]
B22F 2007/066
. . .
{using impregnation} [2013-01]
B22F 2007/068
. . .
{repairing articles} [2013-01]
B22F 7/08
. .
with one or more parts not made from powder {(B22F 7/062 takes precedence)} [2013-01]
B22F 8/00
Manufacture of articles from scrap or waste metal particles [2013-01]
B22F 9/00
Making metallic powder or suspensions thereof [2013-01]
B22F 2009/001
.
{from scrap particles} [2013-01]
B22F 9/002
.
{amorphous or microcrystalline} [2013-01]
B22F 9/004
. .
{by diffusion, e.g. solid state reaction} [2013-01]
B22F 9/005
. . .
{Transformation into amorphous state by milling} [2013-01]
B22F 9/007
. .
{Transformation of amorphous into microcrystalline state} [2013-01]
B22F 9/008
. .
{Rapid solidification processing} [2013-01]
B22F 9/02
.
using physical processes [2013-01]
B22F 9/023
. .
{Hydrogen absorption} [2013-01]
B22F 9/026
. .
{Spray drying of solutions or suspensions} [2013-01]
B22F 9/04
. .
starting from solid material, e.g. by crushing, grinding or milling ({C22C 1/1084 takes precedence}; crushing, grinding or milling, in general, see the relevant subclasses, e.g. B02C) [2013-01]
B22F 2009/041
. . .
{by mechanical alloying, e.g. blending, milling} [2013-01]
B22F 2009/042
. . .
{using a particular milling fluid} [2013-01]
B22F 2009/043
. . .
{by ball milling} [2013-01]
B22F 2009/044
. . .
{by jet milling} [2013-01]
B22F 2009/045
. . .
{by other means than ball or jet milling} [2013-01]
B22F 2009/046
. . . .
{by cutting} [2013-01]
B22F 2009/047
. . . .
{by rolling} [2013-01]
B22F 2009/048
. . .
{by pulverising a quenched ribbon} [2013-01]
B22F 2009/049
. . .
{by pulverising at particular temperature} [2013-01]
B22F 9/06
. .
starting from liquid material [2013-01]
B22F 2009/065
. . .
{Melting inside a liquid, e.g. making spherical balls} [2013-01]
B22F 9/08
. . .
by casting, e.g. through sieves or in water, by atomising or spraying (using electric discharge B22F 9/14) [2013-01]
B22F 2009/0804
. . . .
{Dispersion in or on liquid, other than with sieves} [2013-01]
B22F 2009/0808
. . . . .
{Mechanical dispersion of melt, e.g. by sieves} [2013-01]
B22F 2009/0812
. . . . .
{Pulverisation with a moving liquid coolant stream, by centrifugally rotating stream} [2013-01]
B22F 2009/0816
. . . .
{by casting with pressure or pulsating pressure on the metal bath} [2013-01]
B22F 9/082
. . . .
{atomising using a fluid (using centrifugal force B22F 9/10)} [2013-01]
B22F 2009/0824
. . . . .
{with a specific atomising fluid} [2013-01]
B22F 2009/0828
. . . . . .
{with water} [2013-01]
B22F 2009/0832
. . . . .
{Handling of atomising fluid, e.g. heating, cooling, cleaning, recirculating} [2013-01]
B22F 2009/0836
. . . . .
{with electric or magnetic field or induction} [2013-01]
B22F 2009/084
. . . . .
{combination of methods} [2013-01]
B22F 2009/0844
. . . . .
{in controlled atmosphere} [2013-01]
B22F 2009/0848
. . . . .
{Melting process before atomisation} [2013-01]
B22F 2009/0852
. . . . . .
{Electroslag melting} [2013-01]
B22F 2009/0856
. . . . . .
{Skull melting} [2013-01]
B22F 2009/086
. . . . .
{Cooling after atomisation} [2013-01]
B22F 2009/0864
. . . . . .
{by oil, other non-aqueous fluid or fluid-bed cooling} [2013-01]
B22F 2009/0868
. . . . . .
{by injection of solid particles in the melt stream} [2013-01]
B22F 2009/0872
. . . . . .
{by water} [2013-01]
B22F 2009/0876
. . . . . .
{by gas} [2013-01]
B22F 2009/088
. . . . .
{Fluid nozzles, e.g. angle, distance} [2013-01]
B22F 2009/0884
. . . . .
{Spiral fluid} [2013-01]
B22F 2009/0888
. . . . .
{casting construction of the melt process, apparatus, intermediate reservoir, e.g. tundish, devices for temperature control} [2016-08]
B22F 2009/0892
. . . . .
{casting nozzle; controlling metal stream in or after the casting nozzle} [2013-01]
B22F 2009/0896
. . . . .
{particle transport, separation: process and apparatus} [2013-01]
B22F 9/10
. . . .
using centrifugal force [2013-01]
B22F 9/12
. .
starting from gaseous material [2013-01]
B22F 9/14
. .
using electric discharge [2013-01]
B22F 9/16
.
using chemical processes [2013-01]
B22F 2009/165
. .
{Chemical reaction in an Ionic Liquid [IL] (B22F 2009/245 takes precedence)} [2013-01]
B22F 9/18
. .
with reduction of metal compounds [2013-01]
B22F 9/20
. . .
starting from solid metal compounds [2013-01]
B22F 9/22
. . . .
using gaseous reductors [2013-01]
B22F 9/24
. . .
starting from liquid metal compounds, e.g. solutions [2013-01]
B22F 2009/245
. . . .
{Reduction reaction in an Ionic Liquid [IL]} [2013-01]
B22F 9/26
. . . .
using gaseous reductors [2013-01]
B22F 9/28
. . .
starting from gaseous metal compounds [2013-01]
B22F 9/30
. .
with decomposition of metal compounds, e.g. by pyrolysis [2013-01]
B22F 9/305
. . .
{of metal carbonyls} [2013-01]
B22F 10/00
Additive manufacturing of workpieces or articles from metallic powder (apparatus or devices therefor B22F 12/00) [2023-08]
B22F 10/10
.
Formation of a green body [2023-08]
B22F 10/12
. .
by photopolymerisation, e.g. stereolithography [SLA] or digital light processing [DLP] [2023-08]
B22F 10/14
. .
by jetting of binder onto a bed of metal powder [2023-08]
B22F 10/16
. .
by embedding the binder within the powder bed [2023-08]
B22F 10/18
. .
by mixing binder with metal in filament form, e.g. fused filament fabrication [FFF] [2023-08]
B22F 10/20
.
Direct sintering or melting [2023-08]
B22F 10/22
. .
Direct deposition of molten metal [2023-08]
B22F 10/25
. .
Direct deposition of metal particles, e.g. direct metal deposition [DMD] or laser engineered net shaping [LENS] [2023-08]
B22F 10/28
. .
Powder bed fusion, e.g. selective laser melting [SLM] or electron beam melting [EBM] [2023-08]
B22F 10/30
.
Process control [2023-08]
B22F 10/31
. .
Calibration of process steps or apparatus settings, e.g. before or during manufacturing [2023-08]
B22F 10/32
. .
of the atmosphere, e.g. composition or pressure in a building chamber [2023-08]
B22F 10/322
. . .
of the gas flow, e.g. rate or direction [2021-01]
B22F 10/34
. .
of powder characteristics, e.g. density, oxidation or flowability [2023-08]
B22F 10/36
. .
of energy beam parameters [2023-08]
B22F 10/362
. . .
for preheating [2021-01]
B22F 10/364
. . .
for post-heating, e.g. remelting [2021-01]
B22F 10/366
. . .
Scanning parameters, e.g. hatch distance or scanning strategy [2021-01]
B22F 10/368
. . .
Temperature or temperature gradient, e.g. temperature of the melt pool [2021-01]
B22F 10/37
. .
of powder bed aspects, e.g. density [2023-08]
B22F 10/38
. .
to achieve specific product aspects, e.g. surface smoothness, density, porosity or hollow structures [2023-08]
B22F 10/385
. . .
{Overhang structures} [2021-01]
B22F 10/39
. .
Traceability, e.g. incorporating identifier into a workpiece or article [2023-08]
B22F 10/40
.
Structures for supporting workpieces or articles during manufacture and removed afterwards [2023-08]
B22F 10/43
. .
characterised by material [2023-08]
B22F 10/47
. .
characterised by structural features [2023-08]
B22F 10/50
.
Treatment of workpieces or articles during build-up, e.g. treatments applied to fused layers during build-up [2023-08]
B22F 10/60
.
Treatment of workpieces or articles after build-up [2023-08]
B22F 10/62
. .
by chemical means [2021-01]
B22F 10/64
. .
by thermal means (control of energy beam parameters for post heating B22F 10/364) [2021-01]
B22F 10/66
. .
by mechanical means [2021-01]
B22F 10/68
. .
Cleaning or washing [2023-08]
B22F 10/70
.
Recycling [2023-08]
B22F 10/73
. .
of powder [2023-08]
B22F 10/77
. .
of gas [2023-08]
B22F 10/80
.
Data acquisition or data processing [2023-08]
B22F 10/85
. .
for controlling or regulating additive manufacturing processes [2021-01]
B22F 12/00
Apparatus or devices specially adapted for additive manufacturing; Auxiliary means for additive manufacturing; Combinations of additive manufacturing apparatus or devices with other processing apparatus or devices [2023-08]
B22F 12/10
.
Auxiliary heating means [2023-08]
B22F 12/13
. .
to preheat the material [2021-01]
B22F 12/17
. .
to heat the build chamber or platform [2021-01]
B22F 12/20
.
Cooling means [2023-08]
B22F 12/22
.
{Driving means} [2023-08]
B22F 12/222
. .
{for motion along a direction orthogonal to the plane of a layer} [2021-01]
B22F 12/224
. .
{for motion along a direction within the plane of a layer} [2021-01]
B22F 12/226
. .
{for rotary motion} [2021-01]
B22F 12/30
.
Platforms or substrates [2023-08]
B22F 12/33
. .
translatory in the deposition plane [2021-01]
B22F 12/37
. .
Rotatable [2021-01]
B22F 12/38
.
{Housings, e.g. machine housings} [2023-08]
B22F 12/40
.
Radiation means [2023-08]
B22F 12/41
. .
characterised by the type, e.g. laser or electron beam [2021-01]
B22F 12/42
. . .
Light-emitting diodes [LED] [2021-01]
B22F 12/43
. . .
pulsed; frequency modulated [2021-01]
B22F 12/44
. .
characterised by the configuration of the radiation means [2021-01]
B22F 12/45
. . .
Two or more [2021-01]
B22F 12/46
. .
with translatory movement [2021-01]
B22F 12/47
. . .
parallel to the deposition plane [2021-01]
B22F 12/48
. . .
in height, e.g. perpendicular to the deposition plane [2021-01]
B22F 12/49
. .
Scanners [2021-01]
B22F 12/50
.
Means for feeding of material, e.g. heads [2023-08]
B22F 12/52
. .
Hoppers [2021-01]
B22F 12/53
. .
Nozzles [2021-01]
B22F 12/55
. .
Two or more means for feeding material [2021-01]
B22F 12/57
. .
Metering means [2021-01]
B22F 12/58
. .
for changing the material composition, e.g. by mixing [2021-01]
B22F 12/60
.
Planarisation devices; Compression devices [2023-08]
B22F 12/63
. .
Rollers [2021-01]
B22F 12/67
. .
Blades [2021-01]
B22F 12/70
.
Gas flow means [2023-08]
B22F 12/80
.
Plants, production lines or modules [2023-08]
B22F 12/82
. .
Combination of additive manufacturing apparatus or devices with other processing apparatus or devices [2021-01]
B22F 12/84
. . .
Parallel processing within single device [2021-01]
B22F 12/86
. . .
Serial processing with multiple devices grouped [2021-01]
B22F 12/88
. .
Handling of additively manufactured products, e.g. by robots [2021-01]
B22F 12/90
.
Means for process control, e.g. cameras or sensors [2023-08]
B22F 2201/00
Treatment under specific atmosphere [2013-01]
B22F 2201/01
.
Reducing atmosphere [2013-01]
B22F 2201/013
. .
Hydrogen [2013-01]
B22F 2201/016
. .
NH3 [2013-01]
B22F 2201/02
.
Nitrogen [2013-01]
B22F 2201/03
.
Oxygen [2013-01]
B22F 2201/04
.
CO or CO2 [2013-01]
B22F 2201/05
.
Water or water vapour [2013-01]
B22F 2201/10
.
Inert gases [2013-01]
B22F 2201/11
. .
Argon [2013-01]
B22F 2201/12
. .
Helium [2013-01]
B22F 2201/20
.
Use of vacuum [2013-01]
B22F 2201/30
.
Carburising atmosphere [2013-01]
B22F 2201/32
.
Decarburising atmosphere [2013-01]
B22F 2201/40
.
Metal compounds [2013-01]
B22F 2201/50
.
air [2013-01]
B22F 2202/00
Treatment under specific physical conditions [2013-01]
B22F 2202/01
.
Use of vibrations [2013-01]
B22F 2202/03
.
Treatment under cryogenic or supercritical conditions [2013-01]
B22F 2202/05
.
Use of magnetic field [2013-01]
B22F 2202/06
.
Use of electric fields [2013-01]
B22F 2202/07
.
by induction [2013-01]
B22F 2202/09
.
Use of non-gravitational conditions [2013-01]
B22F 2202/11
.
Use of irradiation [2013-01]
B22F 2202/13
.
Use of plasma [2013-01]
B22F 2202/15
.
Use of fluidised beds [2013-01]
B22F 2202/17
.
use of centrifugal or vortex forces [2013-01]
B22F 2203/00
Controlling [2013-01]
B22F 2203/01
.
To-be-deleted with administrative transfer to B22F 2203/00 [2013-01]
B22F 2203/03
.
for feed-back [2013-01]
B22F 2203/05
.
thermal expansion [2013-01]
B22F 2203/11
.
temperature, temperature profile [2013-01]
B22F 2203/13
.
pressure [2013-01]
B22F 2203/15
.
weight [2013-01]
B22F 2207/00
Aspects of the compositions, gradients [2013-01]
B22F 2207/01
.
Composition gradients [2013-01]
B22F 2207/03
. .
of the metallic binder phase in cermets [2013-01]
B22F 2207/05
. . .
eta-phase [2013-01]
B22F 2207/07
. .
Particles with core-rim gradient [2013-01]
B22F 2207/11
.
Gradients other than composition gradients, e.g. size gradients [2013-01]
B22F 2207/13
. .
Size gradients [2013-01]
B22F 2207/15
. .
Temperature gradients [2013-01]
B22F 2207/17
. .
density or porosity gradients [2013-01]
B22F 2207/20
.
Cooperating components [2013-01]
B22F 2301/00
Metallic composition of the powder or its coating [2013-01]
B22F 2301/05
.
Light metals [2013-01]
B22F 2301/052
. .
Aluminium [2013-01]
B22F 2301/054
. .
Alkali metals, i.e. Li, Na, K, Rb, Cs, Fr [2013-01]
B22F 2301/056
. .
Alkaline metals, i.e. Ca, Sr, Ba, Ra [2013-01]
B22F 2301/058
. .
Magnesium [2013-01]
B22F 2301/10
.
Copper [2013-01]
B22F 2301/15
.
Nickel or cobalt [2013-01]
B22F 2301/155
. .
Rare Earth - Co or -Ni intermetallic alloys [2013-01]
B22F 2301/20
.
Refractory metals [2013-01]
B22F 2301/205
. .
Titanium, zirconium or hafnium [2013-01]
B22F 2301/25
.
Noble metals, i.e. Ag Au, Ir, Os, Pd, Pt, Rh, Ru [2013-01]
B22F 2301/255
. .
Silver or gold [2013-01]
B22F 2301/30
.
Low melting point metals, i.e. Zn, Pb, Sn, Cd, In, Ga [2013-01]
B22F 2301/35
.
Iron [2013-01]
B22F 2301/355
. .
Rare Earth - Fe intermetallic alloys [2013-01]
B22F 2301/40
.
Intermetallics other than rare earth-Co or -Ni or -Fe intermetallic alloys [2013-01]
B22F 2301/45
.
Rare earth metals, i.e. Sc, Y, Lanthanides (57-71) [2013-01]
B22F 2302/00
Metal Compound, non-Metallic compound or non-metal composition of the powder or its coating [2013-01]
B22F 2302/05
.
Boride [2013-01]
B22F 2302/10
.
Carbide [2013-01]
B22F 2302/105
. .
Silicium carbide (SiC) [2013-01]
B22F 2302/15
.
Carbonitride [2013-01]
B22F 2302/20
.
Nitride [2013-01]
B22F 2302/205
.
Cubic boron nitride [2013-01]
B22F 2302/25
.
Oxide [2013-01]
B22F 2302/253
. .
Aluminum oxide (Al2O3) [2013-01]
B22F 2302/256
. .
Silicium oxide (SiO2) [2013-01]
B22F 2302/30
.
Oxynitride [2013-01]
B22F 2302/35
.
Complex boride, carbide, carbonitride, nitride, oxide or oxynitride [2013-01]
B22F 2302/40
.
Carbon, graphite [2013-01]
B22F 2302/403
. .
Carbon nanotube [2013-01]
B22F 2302/406
. .
Diamond [2013-01]
B22F 2302/45
.
Others, including non-metals [2013-01]
B22F 2303/00
Functional details of metal or compound in the powder or product, [2013-01]
B22F 2303/01
.
Main component [2013-01]
B22F 2303/05
.
Compulsory alloy component [2013-01]
B22F 2303/10
.
Optional alloy component [2013-01]
B22F 2303/15
.
Intermetallic [2013-01]
B22F 2303/20
.
Coating by means of particles [2013-01]
B22F 2303/25
.
Coating by means of fibres [2013-01]
B22F 2303/30
.
Coating alloy [2013-01]
B22F 2303/35
.
Molten metal infiltrating a metal preform [2013-01]
B22F 2303/40
.
Layer in a composite stack of layers, workpiece or article [2013-01]
B22F 2303/405
. .
Support layer [2013-01]
B22F 2303/45
.
Part of a final mixture to be processed further [2013-01]
B22F 2304/00
Physical aspects of the powder [2013-01]
B22F 2304/05
.
Submicron size particles [2013-01]
B22F 2304/052
. .
Particle size below 1nm [2013-01]
B22F 2304/054
. .
Particle size between 1 and 100 nm [2013-01]
B22F 2304/056
. .
Particle size above 100 nm up to 300 nm [2013-01]
B22F 2304/058
. .
Particle size above 300 nm up to 1 micrometer [2013-01]
B22F 2304/10
.
Micron size particles, i.e. above 1 micrometer up to 500 micrometer [2013-01]
B22F 2304/15
.
Millimeter size particles, i.e. above 500 micrometer [2013-01]
​
B22F 2998/00
Supplementary information concerning processes or compositions relating to powder metallurgy [2021-08]
NOTE

  • In this group, C-Sets are used. Detailed information about C-Sets construction and the associated syntax rules is found in the Definitions.
​
B22F 2998/10
.
Processes characterised by the sequence of their steps [2021-08]
NOTE

  • In this group, C-Sets are used. Detailed information about C-Sets construction and the associated syntax rules is found in the Definitions.
​
B22F 2999/00
Aspects linked to processes or compositions used in powder metallurgy [2021-08]
NOTE

  • In this group, C-Sets are used. Detailed information about C-Sets construction and the associated syntax rules is found in the Definitions.