IPC 6 English version B22D !A-B22D 25/08

B22D-B22D02508

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 B 29 C; metallurgical processing, selection of substances to be added to metal C 21, C 22)

Note

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

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 B 22 D 41/42, provided on pouring-nozzles B 22 D 41/58)

Arrangement of indicating or measuring devices, e.g. for temperature or viscosity of the fused mass [3]

Casting of pigs, i.e. metal castings suitable for subsequently melting; Similar casting

Pig or like casting (equipment for conveying molten metal B 22 D 35/00)

Moulding of beds

Machines or plants for pig or like casting

with rotary casting tables

with endless casting conveyers

Casting of ingots, i.e. metal castings suitable for subsequently rolling or forging

Casting ingots (equipment for conveying molten metal B 22 D 35/00)

Casting compound ingots of two or more different metals in the molten state, i.e. integrally cast

Casting hollow ingots

Ingot moulds or their manufacture

Divided ingot moulds

Hot tops therefor

Accessories, e.g. for sintering, for preventing splashing

Machines or plants for casting ingots

Particular casting processes; Machines or apparatus therefor

11/

Continuous casting of metals, i.e. casting in indefinite lengths (metal drawing, metal extruding B 21 C)

11/

without moulds, e.g. on molten surfaces [2]

11/

into open-ended moulds, e.g. the moulds having oscillating walls (B 22 D 11/06, B 22 D 11/07 take precedence) [3]

11/

into moulds with travelling walls, e.g. with rolls, plates, belts, caterpillars (B 22 D 11/07 takes precedence) [3]

11/

Lubricating the moulds [3]

11/

Accessories for starting the casting procedure

11/

Accessories for supplying or treating molten metal (B 22 D 41/00 takes precedence)

11/

Accessories for subsequent treating or working cast stock in situ (rolling immediately subsequent to continuous casting B 21 B 1/46, B 21 B 13/22) [3]

11/

124

for cooling [2]

11/

126

for cutting [2]

11/

128

for removing [2]

11/

Plants for continuous casting

11/

Controlling or regulating processes or operations [2]

11/

for pouring (B 22 D 11/20 takes precedence) [4]

11/

for removing cast stock [4]

11/

for cooling cast stock or mould [4]

13/

Centrifugal casting; Casting by using centrifugal force

13/

of elongated solid or hollow bodies, e.g. pipes, in moulds rotating around their longitudinal axis

13/

of shallow solid or hollow bodies, e.g. wheels or rings, in moulds rotating around their axis of symmetry

13/

of solid or hollow bodies in moulds rotating around an axis arranged outside of the mould

13/

in which a stationary mould is fed from a rotating mass of liquid metal

13/

Accessories for centrifugal casting apparatus, e.g. moulds, linings therefor, means for feeding molten metal, cleansing moulds, removing castings (making or lining moulds B 22 C)

13/

Controlling, supervising, specially adapted to centrifugal casting, e.g. for safety reasons (controlling or regulating in general G 05) [3]

15/

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

15/

of cylinders, pistons, bearing shells or like thin-walled objects

15/

Machines or apparatus for chill casting (B 22 D 15/02 takes precedence)

17/

Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure [3]

17/

Hot chamber machines, i.e. with heated press chamber in which metal is melted

17/

Plunger machines

17/

Air injection machines

17/

Cold chamber machines, i.e. with unheated press chamber into which molten metal is ladled

17/

with horizontal press motion

17/

with vertical press motion

17/

Machines with evacuated die cavity

17/

specially adapted for casting slide fasteners or elements therefor

17/

Machines built up from units providing for different combinations

17/

Accessories; Details

17/

Dies (manufacture, see the appropriate class, e.g. B 23 P 15/24); Die plates; Die supports; Cooling equipment for dies; Accessories for loosening and ejecting castings from dies

17/

Accessories for locating and holding cores or inserts

17/

Mechanisms or devices for locking or opening dies

17/

Melting pots

17/

Accessories for supplying molten metal, e.g. in rations

17/

Controlling equipment

18/

Pressure casting; Vacuum casting (B 22 D 17/00 takes precedence; treating the metal in the mould by using pressure or vacuum B 22 D 27/00) [3]

18/

Pressure casting making use of mechanical pressing devices, e.g. cast-forging (B 22 D 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 (controlling or regulating in general G 05) [3]

19/

Casting in, on, or around, objects which form part of the product (B 22 D 23/04 takes precedence; alumino-thermic welding B 23 K 23/00; coating by casting molten material on the substrate C 23 C 6/00)

19/

for making reinforced articles (B 22 D 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 B 23 P 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 [3]

19/

for making compound objects cast of two or more different metals, e.g. for making rolls for rolling mills (casting compound ingots B 22 D 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 vaccum casting B 22 D 18/00; use of inert atmosphere in casting metals in general B 22 D 23/00)

21/

Casting aluminium or magnesium

21/

Casting non-ferrous metals with a high melting-point, e.g. metallic carbides (B 22 D 21/02 takes precedence)

23/

Casting processes not provided for in groups B 22 D 1/00 to B 22 D 21/00 (making metallic powder by casting B 22 F 9/08; alumino-thermic welding B 23 K 23/00; remelting metals C 22 B 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 C 23 C 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 (B 22 D 15/02, B 22 D 17/16, B 22 D 19/00 take precedence; casting stereotype plates B 41 D 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 H 01 M 4/82) [2]

25/

by its physical properties (B 22 D 27/00 takes precedence)

25/

by uniform hardness (B 22 D 15/00 takes precedence)

B22D 27/00 - B22D 47/02