IPC 7 English version B22D 18/00-B22D 47/02

IPC ⁷ English version

B22D - B22D 17/32

B22D01800-B22D04702

SECTION B – PERFORMING OPERATIONS; TRANSPORTING

B 22

CASTING; POWDER METALLURGY

B 22 D

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)

18/

Pressure casting; Vacuum casting (B22D 17/00 takes precedence; treating the metal in the mould by using pressure or vacuum B22D 27/00) [3]

18/

Pressure casting making use of mechanical pressing devices, e.g. cast-forging (B22D 18/04 takes precedence) [3]

18/

Low pressure casting, i.e. making use of pressures up to a few bars to fill the mould [3]

18/

Vacuum casting, i.e. making use of vacuum to fill the mould [3]

18/

Controlling, supervising, e.g. for safety reasons [3]

19/

Casting in, on, or around, objects which form part of the product (B22D 23/04 takes precedence; alumino-thermic welding B23K 23/00; coating by casting molten material on the substrate C23C 6/00)

19/

for making reinforced articles (B22D 19/14 takes precedence) [3]

19/

for joining parts

19/

for manufacturing or repairing tools

19/

for building up linings or coverings, e.g. of anti-frictional metal

19/

Repairing defective or damaged objects by metal casting techniques (by other techniques B23P 6/04)

19/

for making objects, e.g. hinges, with parts which are movable relatively to one another

19/

the objects being filamentary or particulate in form (making alloys containing fibres or filaments by contacting the fibres or filaments with molten metal C22C 47/08) [3]

19/

for making compound objects cast of two or more different metals, e.g. for making rolls for rolling mills (casting compound ingots B22D 7/02) [3]

21/

Casting non-ferrous metals or metallic compounds so far as their metallurgical properties are of importance for the casting procedure; Selection of compositions therefor

21/

Casting exceedingly oxidisable non-ferrous metals, e.g. in inert atmosphere (apparatus for vacuum casting B22D 18/00; use of inert atmosphere in casting metals in general B22D 23/00)

21/

Casting aluminium or magnesium

21/

Casting non-ferrous metals with a high melting-point, e.g. metallic carbides (B22D 21/02 takes precedence)

23/

Casting processes not provided for in groups B22D 1/00 to B22D 21/00 (making metallic powder by casting B22F 9/08; alumino-thermic welding B23K 23/00; remelting metals C22B 9/16)

23/

Top casting

23/

Casting by dipping (hot-dipping or immersion processes for applying coating material in the molten state without affecting the shape C23C 2/00)

23/

Melting-down metal, e.g. metal particles, in the mould

23/

Electroslag casting [5]

25/

Special casting characterised by the nature of the product (B22D 15/02, B22D 17/16, B22D 19/00 take precedence; casting stereotype plates B41D 3/00) [2]

25/

by its peculiarity of shape; of works of art

25/

Casting metal electric battery plates or the like (manufacture thereof by multi-step processes H01M 4/82) [2]

25/

by its physical properties (B22D 27/00 takes precedence)

25/

by uniform hardness (B22D 15/00 takes precedence)

27/

Treating the metal in the mould while it is molten or ductile (B22D 7/12, B22D 11/10, B22D 18/00, B22D 43/00 take precedence) [3]

27/

Use of electric or magnetic effects

27/

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]

27/

Heating the top discard of ingots (hot tops for ingot moulds B22D 7/10)

27/

Shaking, vibrating, or turning of moulds (B22D 11/051, B22D 11/053 take precedence) [1,7]

27/

by using pressure [3]

27/

making use of mechanical pressing devices [3]

27/

making use of gas pressure [3]

27/

by using vacuum [3]

27/

Measures for using chemical processes for influencing the surface composition of castings, e.g. for increasing resistance to acid attack

27/

Measures not previously mentioned for influencing the grain structure or texture; Selection of compositions therefor

Final measures after casting (cleaning of castings by sand-blasting B24C)

29/

Removing castings from moulds, not restricted to casting processes covered by a single main group; Removing cores; Handling ingots [2]

29/

Vibratory apparatus specially designed for shaking out flasks

29/

Handling or stripping castings or ingots (grippers in general, see the relevant subclasses, e.g. B66C)

29/

Strippers actuated by fluid pressure

29/

Strippers actuated mechanically [2]

30/

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]

31/

Cutting-off surplus material, e.g. gates

Other equipment for casting (arrangement of indicating or measuring devices B22D 2/00) [3]

33/

Equipment for handling moulds

33/

Turning or transposing moulds

33/

Bringing together or separating moulds

33/

Burdening or relieving moulds

35/

Equipment for conveying molten metal into beds or moulds (B22D 37/00 to B22D 41/00 take precedence; specially adapted to particular processes or machines, see the relevant groups)

35/

into beds

35/

into moulds, e.g. base plates, runners

35/

Heating or cooling equipment

37/

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]

39/

Equipment for supplying molten metal in rations (specially adapted to particular processes or machines, see the relevant groups of this subclass)

39/

having means for controlling the amount of molten metal by volume [3]

39/

having means for controlling the amount of molten metal by weight [3]

39/

having means for controlling the amount of molten metal by controlling the pressure above the molten metal [3]

41/

Casting melt-holding vessels, e.g. ladles, tundishes, cups or the like (B22D 39/00, B22D 43/00 take precedence) [5]

41/

005

with heating or cooling means [5]

41/

Heating means [5]

41/

015

with external heating, i.e. the heat source not being a part of the ladle [5]

41/

Linings

41/

tiltable

41/

Tea-pot spout ladles [5]

41/

Equipment for tilting

41/

for bottom pouring (B22D 41/14, B22D 41/50 take precedence)

41/

Travelling ladles or similar containers; Cars for ladles (casting cranes B66C)

41/

Ladle turrets [7]

41/

Closures [5]

41/

stopper-rod type, i.e. a stopper-rod being positioned downwardly through the vessel and the metal therein, for selective registry with the pouring opening [5]

41/

Stopper-rods therefor [5]

41/

Stopper-rod operating equipment [5]

41/

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]

41/

characterised by a rectilinearly movable plate (B22D 41/38 to B22D 41/42 take precedence) [5]

41/

characterised by a rotatively movable plate (B22D 41/38 to B22D 41/42 take precedence) [5]

41/

Plates therefor (B22D 41/38 to B22D 41/42 take precedence) [5]

41/

Manufacturing or repairing thereof [5]

41/

characterised by the materials used therefor [5]

41/

Supporting, fixing or centering means therefor [5]

41/

Treating the plates, e.g. lubricating, heating (ladles, cups or the like with heating means B22D 41/01) [5]

41/

Means for operating the sliding gate [5]

41/

Means for pressing the plates together [5]

41/

Features relating to gas injection [5]

41/

Consumable closure means, i.e. closure means being used only once [5]

41/

Refractory plugging masses [5]

41/

Meltable closures [5]

41/

Pouring-nozzles [5]

41/

Manufacturing or repairing thereof [5]

41/

characterised by the materials used therefor [5]

41/

Means for supporting, manipulating or changing a pouring-nozzle [5]

41/

with gas injecting means [5]

41/

with heating or cooling means [5]

41/

with stirring or vibrating means [5]

43/

Mechanical cleaning, e.g. skimming of molten metals

45/

Equipment for casting, not otherwise provided for

46/

Controlling, supervising, not restricted to casting covered by a single main group, e.g. for safety reasons [3]

47/

Casting plants

47/

for both moulding and casting

B22D - B22D 17/32