B21JFORGINGHAMMERINGPRESSING METALRIVETINGFORGE FURNACES rolling of metal B21B; making particular products by forging or pressing B21K; cladding or plating B23K; finishing surfaces by hammering B23P9/04; compacting surfaces by blasting with particulate material B24C1/10; general features of presses, presses for consolidating scrap B30B; furnaces in general F27In this subclass non-limiting references (in the sense of paragraph 39 of the Guide to the IPC) may still be displayed in the scheme. B21J1/00 B21J1/00Preparing metal stock or similar ancillary operations prior, during or post forging, e.g. heating or cooling pretreatment for rolling B21B1/02, B21B15/0035 B21J1/003Selecting material B21J1/006Amorphous metal B21J1/02Preliminary treatment of metal stock without particular shaping, e.g. salvaging segregated zones, forging or pressing in the rough modifying the physical properties by deformation C21D7/00, C22F1/00 B21J1/025affecting grain orientation B21J1/04Shaping in the rough solely by forging or pressing B21J1/06Heating or cooling methods or arrangements specially adapted for performing forging or pressing operations B21J5/063 takes precedence B21J3/00Lubricating during forging or pressing lubricating in general F16N B21J5/00Methods for forging, hammering, or pressing for working sheet-metal or metal tubes, rods, or profiles B21D; for working wire B21FSpecial equipment or accessories therefor B21J5/002Hybrid process, e.g. forging following casting B21J5/004Thixotropic process, i.e. forging at semi-solid state B21J5/006using ultrasonic waves B21J5/008Incremental forging B21J5/02Die forgingTrimming by making use of special dies ; Punching during forging B21J5/022Open die forging B21J5/025Closed die forging B21J5/027Trimming B21J5/04by directly applied fluid pressure or explosive action B21J5/06for performing particular operations B21J5/063Friction heat forging friction heat riveting B21J15/027 B21J5/066Flow drilling B21J5/068Shaving, skiving or scarifying for forming lifted portions, e.g. slices or barbs, on the surface of the material B21J5/08Upsetting B21J5/10Piercing billets in combination with extrusion B21C23/00 B21J5/12Forming profiles on internal or external surfaces making screw-thread by forging, pressing, or hammering B21K B21J7/00HammersForging machines with hammers or die jaws acting by impact hand hammers B25D; electrical features in section H B21J7/02Special design or construction B21J7/04Power hammers B21J7/06Drop hammers B21J7/08with rigidly-guided hammer B21J7/10with both drive and hammer connected to a fulcrumed lever, e.g. tail hammers B21J7/12the lever being a spring, i.e. spring hammers B21J7/14Forging machines working with several hammers B21J7/145the hammers being driven by a rotating annular driving member B21J7/16in rotary arrangements B21J7/18Forging machines working with die jaws, e.g. pivoted, movable laterally of the forging or pressing direction, e.g. for swaging B21J7/20Drives for hammersTransmission means therefor B21J7/22for power hammers B21J7/24operated by steam, air, or other gaseous pressure B21J7/26operated by internal combustion B21J7/28operated by hydraulic or liquid pressure B21J7/30operated by electro-magnets B21J7/32operated by rotary drive, e.g. by electric motor B21J7/34operating both the hammer and the anvil, so-called counter-tup B21J7/36for drop hammers B21J7/38driven by steam, air, or other gaseous pressure B21J7/40driven by hydraulic or liquid pressure B21J7/42operated by rotary drive, e.g. electric motors B21J7/44equipped with belts, ropes, cables, chains B21J7/46Control devices specially adapted to forging hammers, not restricted to one of the preceding subgroups B21J9/00Forging presses B21J9/02Special design or construction B21J9/022multi-stage forging presses handling devices B21K27/00 B21J9/025with rolling or wobbling dies B21J9/027with punches moving along auxiliary lateral directions B21J13/025 takes precedence B21J9/04Piercing presses B21J9/06Swaging pressesUpsetting presses B21J9/08equipped with devices for heating the work-piece electric heating elements H05B B21J9/10Drives for forging presses B21J9/12operated by hydraulic or liquid pressure B21J9/14in conjunction with electric power B21J9/16in conjunction with steam or gas power B21J9/18operated by making use of gearing mechanisms, e.g. levers, spindles, crankshafts, eccentrics, toggle-levers, rack bars B21J9/20Control devices specially adapted to forging presses not restricted to one of the preceding subgroups B21J11/00Forging hammers combined with forging pressesForging machines with provision for hammering and pressing B21J13/00Details of machines for forging, pressing, or hammering B21J13/02Dies or mountings therefor B21J13/025Dies with parts moving along auxiliary lateral directions B21J13/03Die mountings B21J13/04FramesGuides B21J13/06Hammers tupsAnvilsAnvil blocks B21J13/08Accessories for handling work or tools B21J13/085handling of tools B21J13/10Manipulators in general B25J B21J13/12Turning means B21J13/14Ejecting devices B21J15/00Riveting B21J15/02Riveting procedures B21J15/022Setting rivets by means of swaged-on locking collars, e.g. lockbolts B21J15/025Setting self-piercing rivets B21J15/027Setting rivets by friction heating B21J15/04Riveting hollow rivets mechanically B21J15/041by pushing a drive-pin B21J15/043by pulling a mandrel B21J15/045and swaging locking means, i.e. locking the broken off mandrel head to the hollow rivet B21J15/046by edge-curling B21J15/048Setting self-drilling hollow rivets B21J15/06Riveting hollow rivets by means of hydraulic, liquid, or gas pressure portable riveters B21J15/105 B21J15/08Riveting by applying heat , e.g. to the end parts of the rivets to enable heads to be formed B21J15/027 takes precedence B21J15/10Riveting machines electric heating elements H05B B21J15/105Portable riveters pliers for riveting B21J15/386 B21J15/12with tools or tool parts having a movement additional to the feed movement, e.g. spin B21J15/027 takes precedence B21J15/14specially adapted for riveting specific articles, e.g. brake lining machines B21J15/142Aerospace structures B21J15/145Turbines B21J15/147Composite articles B21J15/16Drives for riveting machinesTransmission means therefor B21J15/18operated by air pressure or other gas pressure, e.g. explosion pressure B21J15/185by explosion pressure B21J15/20operated by hydraulic or liquid pressure B21J15/205Riveting tools having hand operated pumps for building up the hydraulic pressure B21J15/22operated by both hydraulic or liquid pressure and gas pressure B21J15/24operated by electro-magnets B21J15/26operated by rotary drive, e.g. by electric motor B21J15/28Control devices specially adapted to riveting machines not restricted to one of the preceding subgroups B21J15/285for controlling the rivet upset cycle B21J15/30Particular elements, e.g. supportsSuspension equipment specially adapted for portable riveters B21J15/32Devices for inserting or holding rivets in position with or without feeding arrangements B21J15/323using a carrier strip B21J15/326Broken-off mandrel collection B21J15/34for installing multiple-type tubular rivets B21J15/36Rivet sets, i.e. tools for forming headsMandrels for expanding parts of hollow rivets B21J15/365Mandrels for expanding parts of hollow rivets B21J15/38Accessories for use in connection with riveting, e.g. pliers for upsettingHand tools for riveting B21J15/383Hand tools for riveting B21J15/386Pliers for riveting B21J15/40for forming rivet heads B21J15/42Special clamping devices for workpieces to be riveted together, e.g. operating through the rivet holes B21J15/44Rivet hole positioners B21J15/46Positioners for rivets for making tube joints B21J15/48Devices for caulking rivets B21J15/50Removing or cutting devices for rivets B21J17/00Forge furnaces furnaces for heat treatment C21D9/00; furnaces in general F27 B21J17/02electrically heated electric heating elements H05B B21J19/00Blacksmiths requisites not otherwise provided for B21J19/02HearthsAir supply arrangements specially adapted therefor B21J19/025Tyre heaters B21J19/04AnvilsAssociated items