B
SECTION B — PERFORMING OPERATIONS; TRANSPORTING
 B01 - 
B07
Subsection index
LIQUID/LIQUID, LIQUID/GAS OR GAS/GAS SEPARATION
Method
General operationsB01D
by centrifugal force, using centrifuges or free-vortex apparatusB01D
using magnetic or electrostatic effectB03C
Apparatus
General operationsB01D
by centrifugal force, using centrifuges or free-vortex apparatusB04B, B04C
using magnetic or electrostatic effectB03C
SOLID/LIQUID OR SOLID/GAS SEPARATION
Method
General operationsB01D
by centrifugal forceB01D
using centrifuges or free-vortex apparatusB01D
using magnetic or electrostatic effectB03C
Apparatus
General operationsB01D
by centrifugal forceB01D
using centrifuges or free-vortex apparatusB04B, B04C
using magnetic or electrostatic effectB03C
SOLID/SOLID SEPARATION
Method
Dry methods
material in bulkB07B
Individual sortingB07C
Screening, sifting, pneumatic sortingB07B
using pneumatic tables or jigsB03B
by magnetic or electrostatic effectB03C
by centrifugal forceB07B
using centrifuges or free-vortex apparatusB07B
Wet methods
General operationsB03B
flotation, differential sedimentationB03D
screeningB07B
Combinations Dry methods - wet methodsB03B
Apparatus
Dry methods
material in bulkB07B
Individual sortingB07C
Screening, sifting, pneumatic sortingB07B
using pneumatic tables or jigsB03B
by magnetic or electrostatic effectB03C
by centrifugal forceB07B
using centrifuges or free-vortex apparatusB04B, B04C
Wet methods
General operationsB03B
flotation, differential sedimentationB03D
screeningB07B
Combinations Dry methods - wet methodsB03B
  
SHAPING
 B22
CASTING; POWDER METALLURGY
 B22D
CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES (shaping of plastics or substances in a plastic state B29C; metallurgical processing, selection of substances to be added to metal C21, C22)
 B22D

Note(s)

In this subclass, any material to be cast is referred to as metal.

 B22D
Subclass index
PRELIMINARY TREATMENTS 1/00
INDICATING OR MEASURING 2/00
GENERAL CASTING PROCESSES; EQUIPMENT THEREFOR
Centrifugal casting 13/00
Pressure die casting or injection die casting 17/00
Pressure casting, vacuum casting 18/00
Other processes 15/00, 23/00
CASTING CHARACTERISED BY THE PRODUCTS
Pig casting 3/00, 5/00
Ingot casting 7/00, 9/00
Continuous casting 11/00
Casting in, on, or around objects 19/00
Casting for other specified purposes 25/00
CASTING PARTICULAR METALS 21/00
AFTER-TREATMENTS
Of non-solidified metal 27/00
Removing from moulds 29/00
Cooling 30/00
Cutting-off surplus material 31/00
OTHER EQUIPMENT
For handling, for supplying 29/00, 33/00, 35/00, 37/00, 39/00, 41/00
For cleaning 43/00
For other purposes 45/00
CONTROLLING OR SUPERVISING 46/00
CASTING PLANTS 47/00
P:140 B22D 1/00
Treatment of fused masses in the ladle or the supply runners before casting (features relating to gas injection, provided on closures of the sliding-gate type B22D 41/22, provided on pouring-nozzles B22D 41/50)
P:130 B22D 2/00
Arrangement of indicating or measuring devices, e.g. for temperature or viscosity of the fused mass  [3]
 B22D 3/00 - 
B22D 5/00
Casting of pigs, i.e. metal castings suitable for subsequent melting; Similar casting
P:0 B22D 3/00
Pig or like casting (equipment for conveying molten metal B22D 35/00)
P:10 B22D 5/00
Machines or plants for pig or like casting
 B22D 7/00 - 
B22D 9/00
Casting of ingots, i.e. metal castings suitable for subsequent rolling or forging
P:20 B22D 7/00
Casting ingots (equipment for conveying molten metal B22D 35/00)
P:30 B22D 9/00
Machines or plants for casting ingots
 B22D 11/00 - 
B22D 27/00
Particular casting processes; Machines or apparatus therefor
P:60 B22D 11/00
Continuous casting of metals, i.e. casting in indefinite lengths (metal drawing, metal extruding B21C)
 B22D 11/01
·  without moulds, e.g. on molten surfaces  [2]
 B22D 11/04
·  into open-ended moulds (B22D 11/06, B22D 11/07 take precedence; plants for continuous casting, e.g. for upwardly drawing the strand, B22D 11/14)  [3]
 B22D 11/041
·  ·  for vertical casting (B22D 11/043, B22D 11/049-B22D 11/059 take precedence)  [7]
 B22D 11/043
·  ·  Curved moulds (B22D 11/049-B22D 11/059 take precedence)  [7]
 B22D 11/045
·  ·  for horizontal casting (B22D 11/049-B22D 11/059 take precedence)  [7]
 B22D 11/049
·  ·  for direct chill casting, e.g. electromagnetic casting  [7]
 B22D 11/05
·  ·  into moulds having adjustable walls  [7]
 B22D 11/051
·  ·  into moulds having oscillating walls  [7]
 B22D 11/053
·  ·  Means for oscillating the moulds  [7]
 B22D 11/055
·  ·  Cooling the moulds  [7]
 B22D 11/057
·  ·  Manufacturing or calibrating the moulds  [7]
 B22D 11/059
·  ·  Mould materials or platings  [7]
 B22D 11/06
·  into moulds with travelling walls, e.g. with rolls, plates, belts, caterpillars (B22D 11/07 takes precedence)  [3]
 B22D 11/07
·  Lubricating the moulds  [3]
 B22D 11/08
·  Accessories for starting the casting procedure
 B22D 11/10
·  Supplying or treating molten metal (B22D 41/00 takes precedence)  [1,7]
 B22D 11/103
·  ·  Distributing the molten metal, e.g. using runners, floats, distributors  [7]
 B22D 11/106
·  ·  Shielding the molten jet  [7]
 B22D 11/108
·  ·  Feeding additives, powders, or the like  [7]
 B22D 11/11
·  ·  Treating the molten metal  [7]
 B22D 11/12
·  Accessories for subsequent treating or working cast stock in situ (rolling immediately subsequent to continuous casting B21B 1/46, B21B 13/00)  [3]
 B22D 11/124
·  ·  for cooling  [2]
 B22D 11/128
·  ·  for removing  [2]
 B22D 11/14
·  Plants for continuous casting, e.g. for upwardly drawing the strand
 B22D 11/16
·  Controlling or regulating processes or operations  [2]
 B22D 11/18
·  ·  for pouring (B22D 11/20 takes precedence)  [4]
 B22D 11/20
·  ·  for removing cast stock  [4]
 B22D 11/22
·  ·  for cooling cast stock or mould  [4]
P:100 B22D 13/00
Centrifugal casting; Casting by using centrifugal force
P:70 B22D 15/00
Casting using a mould or core of which a part significant to the process of high thermal conductivity, e.g. chill casting; Moulds or accessories specially adapted therefor (continuous casting of metals into open-ended moulds for direct chill casting B22D 11/049)  [1,7]
P:80 B22D 17/00
Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure  [3]
 B22D 17/02
·  Hot chamber machines, i.e. with heated press chamber in which metal is melted
 B22D 17/08
·  Cold chamber machines, i.e. with unheated press chamber into which molten metal is ladled
 B22D 17/20
·  Accessories; Details
 B22D 17/22
·  ·  Dies (manufacture, see the appropriate class, e.g. B23P 15/24); Die plates; Die supports; Cooling equipment for dies; Accessories for loosening and ejecting castings from dies
 B22D 17/24
·  ·  ·  Accessories for locating and holding cores or inserts
 B22D 17/26
·  ·  Mechanisms or devices for locking or opening dies
 B22D 17/30
·  ·  Accessories for supplying molten metal, e.g. in rations
 B22D 17/32
·  ·  Controlling equipment
P:90 B22D 18/00
Pressure casting; Vacuum casting (B22D 17/00 takes precedence; treating the metal in the mould by using pressure or vacuum B22D 27/00)  [3]
 B22D 18/04
·  Low pressure casting, i.e. making use of pressures up to a few bars to fill the mould  [3]
 B22D 18/06
·  Vacuum casting, i.e. making use of vacuum to fill the mould  [3]
P:50 B22D 19/00
Casting in, on, or around, objects which form part of the product (B22D 23/00 takes precedence; alumino-thermic welding B23K 23/00; coating by casting molten material on the substrate C23C 6/00)
 B22D 19/02
·  for making reinforced articles (B22D 19/14 takes precedence)  [3]
 B22D 19/04
·  for joining parts
 B22D 19/06
·  for manufacturing or repairing tools
 B22D 19/08
·  for building up linings or coverings, e.g. of anti-frictional metal
 B22D 19/10
·  Repairing defective or damaged objects by metal casting techniques (by other techniques B23P 6/00)
 B22D 19/12
·  for making objects, e.g. hinges, with parts which are movable relatively to one another
 B22D 19/14
·  the objects being filamentary or particulate in form (making alloys containing fibres or filaments by contacting the fibres or filaments with molten metal C22C 47/00)  [3]
 B22D 19/16
·  for making compound objects cast of two or more different metals, e.g. for making rolls for rolling mills (casting compound ingots B22D 7/00)  [3]
P:40 B22D 21/00
Casting non-ferrous metals or metallic compounds so far as their metallurgical properties are of importance for the casting procedure (apparatus for vacuum casting B22D 18/00); Selection of compositions therefor (use of inert atmosphere in casting metals in general B22D 23/00)
P:120 B22D 23/00
Casting processes not provided for in groups B22D 1/00-B22D 21/00 (making metallic powder by casting B22F 9/08; alumino-thermic welding B23K 23/00; remelting metals C22B 9/16)
P:110 B22D 25/00
Special casting characterised by the nature of the product (B22D 15/00, B22D 17/00, B22D 19/00 take precedence; casting stereotype plates B41D 3/00)  [2]
P:160 B22D 27/00
Treating the metal in the mould while it is molten or ductile (B22D 7/00, B22D 11/10, B22D 18/00, B22D 43/00 take precedence)  [3]
 B22D 27/02
·  Use of electric or magnetic effects
 B22D 27/04
·  Influencing the temperature of the metal, e.g. by heating or cooling the mould (cooling of open-ended moulds in continuous casting B22D 11/055)  [1,7]
 B22D 29/00 - 
B22D 31/00
Final measures after casting (cleaning of castings by sand-blasting B24C)
P:210 B22D 29/00
Removing castings from moulds, not restricted to casting processes covered by a single main group; Removing cores; Handling ingots  [2]
P:230 B22D 30/00
Cooling castings, not restricted to casting processes covered by a single main group (accessories for cooling cast stock in continuous casting of metals B22D 11/124; controlling or regulating processes or operations for cooling cast stock or mould in continuous casting of metals B22D 11/22; chill casting B22D 15/00)  [5]
P:240 B22D 31/00
Cutting-off surplus material, e.g. gates
 B22D 33/00 - 
B22D 45/00
Other equipment for casting (arrangement of indicating or measuring devices B22D 2/00)  [3]
P:220 B22D 33/00
Equipment for handling moulds
P:200 B22D 35/00
Equipment for conveying molten metal into beds or moulds (B22D 37/00-B22D 41/00 take precedence; specially adapted to particular processes or machines, see the relevant groups)
P:190 B22D 37/00
Controlling or regulating the pouring of molten metal from a casting melt-holding vessel (B22D 39/00, B22D 41/00 take precedence; specially adapted to particular processes or machines, see the relevant groups of this subclass)  [3,5]
P:170 B22D 39/00
Equipment for supplying molten metal in rations (specially adapted to particular processes or machines, see the relevant groups of this subclass)
P:180 B22D 41/00
Casting melt-holding vessels, e.g. ladles, tundishes, cups or the like (B22D 39/00, B22D 43/00 take precedence)  [5]
 B22D 41/005
·  with heating or cooling means  [5]
 B22D 41/02
·  Linings
 B22D 41/14
·  Closures  [5]
 B22D 41/22
·  ·  sliding-gate type, i.e. having a fixed plate and a movable plate in sliding contact with each other for selective registry of their openings  [5]
 B22D 41/50
·  Pouring-nozzles  [5]
 B22D 41/52
·  ·  Manufacturing or repairing thereof  [5]
P:150 B22D 43/00
Mechanical cleaning, e.g. skimming of molten metals
P:280 B22D 45/00
Equipment for casting, not otherwise provided for
   
P:260 B22D 46/00
Controlling, supervising, not restricted to casting covered by a single main group, e.g. for safety reasons  [3]
P:270 B22D 47/00
Casting plants