IPC-Stelle: B22F 9/18 [Version 7 (gültig ab 01.2000)]

SymbolTypTitel
BSKPERFORMING OPERATIONS; TRANSPORTING
B22KLCASTING; POWDER METALLURGY
B22FUKLWORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER (processes or devices for granulating materials in general B01J 2/00; making ceramics by compacting or sintering C04B , e.g. C04B 35/64; for the production of metals as such, see class C22; reduction or decomposition of metal compounds in general C22B; making alloys by powder metallurgy C22C; electrolytic production of metal powder C25C 5/00)
B22F 1/00HGRSpecial treatment of metallic powder, e.g. to facilitate working, to improve properties; Metallic powders per se, e.g. mixtures of particles of different composition (C04 , C08 take precedence)
B22F 1/02UGR1
.comprising coating of the powder [2]
B22F 3/00HGRManufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor
B22F 3/02UGR1
.Compacting only
B22F 3/03UGR2
. .Press-moulding apparatus therefor [6]
B22F 3/035UGR3
. . .with one or more of the parts thereof being pivotally mounted [6]
B22F 3/04UGR2
. .by applying fluid pressure
B22F 3/06UGR2
. .by centrifugal forces
B22F 3/08UGR2
. .by explosive forces
B22F 3/087UGR2
. .using high energy impulses, e.g. magnetic field impulses [6]
B22F 3/093UGR2
. .using vibration [6]
B22F 3/10UGR1
.Sintering only
B22F 3/105UGR2
. .by using electric current, laser radiation or plasma (B22F 3/11 takes precedence) [6]
B22F 3/11UGR2
. .Making porous workpieces or articles [6]
B22F 3/115UGR1
.by spraying molten metal, i.e. spray sintering, spray casting [6]
B22F 3/12UGR1
.Both compacting and sintering (by forging B22F 3/17) [6]
B22F 3/14UGR2
. .simultaneously
B22F 3/15UGR3
. . .Hot isostatic pressing [6]
B22F 3/16UGR2
. .in successive or repeated steps
B22F 3/17UGR1
.by forging [6]
B22F 3/18UGR1
.by using pressure rollers [6]
B22F 3/20UGR1
.by extruding
B22F 3/22UGR1
.for producing castings from a slip
B22F 3/23UGR1
.involving a self-propagating high-temperature synthesis or reaction sintering step [6]
B22F 3/24UGR1
.After-treatment of workpieces or articles
B22F 3/26UGR2
. .Impregnating
B22F 5/00HGRManufacture of workpieces or articles from metallic powder characterised by the special shape of the product
B22F 5/02UGR1
.of piston rings
B22F 5/04UGR1
.of turbine blades
B22F 5/06UGR1
.of threaded articles, e.g. nuts
B22F 5/08UGR1
.of toothed articles, e.g. gear wheels; of cam discs
B22F 5/10UGR1
.of articles with cavities or holes, not otherwise provided for in the preceding subgroups [6]
B22F 5/12UGR1
.of tubes or wires [6]
B22F 7/00HGRManufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting
B22F 7/02UGR1
.of composite layers
B22F 7/04UGR2
. .with one or more layers not made from powder, e.g. made from solid metal
B22F 7/06UGR1
.of composite workpieces or articles from parts, e.g. to form tipped tools
B22F 7/08UGR2
. .with one or more parts not made from powder
B22F 8/00HGRManufacture of articles from scrap or waste metal particles [6]
B22F 9/00HGRMaking metallic powder or suspensions thereof
B22F 9/02UGR1
.using physical processes [3]
B22F 9/04UGR2
. .starting from solid material, e.g. by crushing, grinding or milling (crushing, grinding or milling, in general, see the relevant subclasses, e.g. B02C) [3]
B22F 9/06UGR2
. .starting from liquid material [3]
B22F 9/08UGR3
. . .by casting, e.g. through sieves or in water, by atomising or spraying (using electric discharge B22F 9/14) [3]
B22F 9/10UGR4
. . . .using centrifugal force [3]
B22F 9/12UGR2
. .starting from gaseous material [3]
B22F 9/14UGR2
. .using electric discharge [3]
B22F 9/16UGR1
.using chemical processes [3]
B22F 9/18UGR2
. .with reduction of metal compounds [3]
B22F 9/20UGR3
. . .starting from solid metal compounds [3]
B22F 9/22UGR4
. . . .using gaseous reductors [3]
B22F 9/24UGR3
. . .starting from liquid metal compounds, e.g. solutions [3]
B22F 9/26UGR4
. . . .using gaseous reductors [3]
B22F 9/28UGR3
. . .starting from gaseous metal compounds [3]
B22F 9/30UGR2
. .with decomposition of metal compounds, e.g. by pyrolysis [3]