HUMAN NECESSITIES PERFORMING OPERATIONS; TRANSPORTING SEPARATING; MIXING PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS [5] CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL [2] GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL SEPARATING SOLIDS FROM SOLIDS; SORTING CLEANING DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL [3, 6] SHAPING MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL ROLLING OF METAL (auxiliary operations used in connection with metal-working operations covered in B21, seeB21C; bending by rolling B21D; manufacture of particular objects, e.g. screws, wheels, rings, barrels, balls, by rolling B21H; pressure welding by means of a rolling mill B23K 20/04) MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES, PROFILES OR LIKE SEMI-MANUFACTURED PRODUCTS OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL Metal drawing Manufacture of metal sheets, wire, rods, tubes or like semi-manufactured products by drawing [1, 2006.01] Profiling tools for metal drawing; Combinations of dies and mandrels for metal drawing [1, 2006.01] Pointing or push-pointing drawn work or drawing material [1, 2006.01] Cooling, heating or lubricating drawing material (B21C 3/14 takes precedence) [1, 2006.01]

---

Devices for straightening wire or like work combined with or specially adapted for use in connection with drawing or winding machines or apparatus [1, 2006.01] Metal extruding Extruding metal; Impact extrusion [1, 2006.01]

.	starting from material of particular form or shape, e.g. mechanically pre-treated  (B21C 23/22 takes precedence) [1, 2006.01]

.	Making uncoated products [1, 2006.01]

. .	by both direct and backward extrusion [1, 2006.01]

. .	by direct extrusion [1, 2006.01]

. . .

Making sheets [1, 2006.01]

. . .

Making wire, rods or tubes [1, 2006.01]

. . . .

Making finned tubes [1, 2006.01]

. . . .

Extruding bent tubes or rods [1, 2006.01]

. . .

Making other products [1, 2006.01]

. . . .

Making turbo blades or propellers [1, 2006.01]

. .	by impact extrusion [1, 2, 2006.01]

. .	by backward extrusion [1, 2006.01]

.	Presses specially adapted for extruding metal [1, 2006.01]

.	Making metal-coated products; Making products from two or more metals [1, 2006.01]

. .	Covering indefinite lengths of metal or non-metal material with a metal coating [1, 2006.01]

. . .

Applying metal coats to cables, e.g. to insulated electric cables [1, 2006.01]

. . . .

on intermittently-operating extrusion presses [1, 2006.01]

. . . .

on continuously-operating extrusion presses [1, 2006.01]

.	Lubrication of metal being extruded or of dies, or the like, e.g. physical state of lubricant, location where lubricant is applied [1, 2006.01]

Profiling tools for metal extruding [1, 2006.01] Rams or plungers for metal extruding; Discs therefor [2, 2006.01] Containers for metal to be extruded (B21C 29/02 takes precedence) [1, 2006.01] Cooling or heating extruded work or parts of the extrusion press [1, 2006.01] Control devices for metal extruding, e.g. for regulating the pressing speed or temperature of metal (B21C 25/08 takes precedence); Measuring devices, e.g. for temperature of metal, combined with or specially adapted for use in connection with extrusion presses [1, 2006.01] Feeding extrusion presses with metal to be extruded [1, 2006.01] Removing work or waste from extruding presses; Drawing-off extruded work (in connection with the extruding of bent tubes or rods B21C 23/12); Cleaning dies, ducts, containers, or mandrels for metal extruding [1, 2, 2006.01]

---

Manufacture of metal sheets, rods, wire, tubes, profiles or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape [1, 2, 2006.01] Devices for cleaning metal products combined with or specially adapted for use with machines or apparatus provided for in this subclass [1, 2006.01] Auxiliary operations used in connection with metal working without essentially removing material Separating mandrels from work or vice versa [1, 2006.01] Winding-up, coiling or winding-off metal wire, metal band or other flexible metal material characterised by features relevant to metal processing only (coiling wire into particular forms B21F 3/00) [1, 2006.01] Devices for temporarily accumulating material [1, 2006.01] Measuring, gauging, indicating, counting, or marking devices specially adapted for use in the production or manipulation of material in accordance with subclasses B21B-B21F [1, 2006.01]

---

Subject matter not provided for in other groups of this subclass [2009.01] WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL (working or processing of wire B21F) WORKING OR PROCESSING OF METAL WIRE (rolling of metal B21B; by drawing, auxiliary operations used in connection with metal-working without essentially removing material B21C; bundling articles B65B 13/00) MAKING NEEDLES, PINS OR NAILS OF METAL MAKING PARTICULAR METAL OBJECTS BY ROLLING, e.g. SCREWS, WHEELS, RINGS, BARRELS, BALLS (essentially from sheet metal B21D) FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES (rolling of metal B21B; making particular products by forging or pressing B21K; cladding or plating B23K; finishing surfaces by hammering B23P 9/04; compacting surfaces by blasting with particulate material B24C 1/10; general features of presses, presses for consolidating scrap B30B; furnaces in general F27) MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS (making particular articles by working sheet metal without essentially removing material B21D; processing wire B21F; making pins, needles or nails B21G; making particular articles by rolling B21H; forging machines, pressing machines, hammering machines, in general B21J; making chains B21L; plating B23K) MAKING METAL CHAINS (making chains or chain links by casting B22D 25/02; chains in general F16G) CASTING; POWDER METALLURGY MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR GRINDING; POLISHING HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; HANDLES FOR HAND IMPLEMENTS; WORKSHOP EQUIPMENT; MANIPULATORS HAND CUTTING TOOLS; CUTTING; SEVERING WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL WORKING CEMENT, CLAY, OR STONE WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL PRESSES MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER LAYERED PRODUCTS ADDITIVE MANUFACTURING TECHNOLOGY [2015.01] PRINTING PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS [4] BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES DECORATIVE ARTS TRANSPORTING VEHICLES IN GENERAL RAILWAYS LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT AIRCRAFT; AVIATION; COSMONAUTICS CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL HOISTING; LIFTING; HAULING OPENING OR CLOSING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING SADDLERY; UPHOLSTERY MICROSTRUCTURAL TECHNOLOGY; NANOTECHNOLOGY MICROSTRUCTURAL TECHNOLOGY [7] NANOTECHNOLOGY [7] SUBJECT MATTER NOT OTHERWISE PROVIDED FOR IN THIS SECTION [2006.01] CHEMISTRY; METALLURGY TEXTILES; PAPER FIXED CONSTRUCTIONS MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING PHYSICS ELECTRICITY