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B21J 1/00
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Preparing metal stock |
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B21J 1/02
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Preliminary treatment of metal stock without particular shaping, e.g. salvaging segregated zones, forging or pressing in the rough |
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B21J 1/04
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Shaping in the rough solely by forging or pressing |
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B21J 1/06
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Heating or cooling methods or arrangements specially adapted for performing forging or pressing operations |
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B21J 3/00
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Lubricating during forging or pressing |
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B21J 5/00
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Methods for forging, hammering, or pressing; Special equipment or accessories therefor |
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B21J 5/02
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Die forging; Trimming by making use of special dies |
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B21J 5/04
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Methods for forging, hammering, or pressing; Special equipment or accessories therefor by directly applied fluid pressure or explosive action |
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B21J 5/06
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Methods for forging, hammering, or pressing; Special equipment or accessories therefor for performing particular operations |
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B21J 5/08
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Upsetting |
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B21J 5/10
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Piercing billets |
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B21J 5/12
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Forming profiles on internal or external surfaces |
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B21J 7/00
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Hammers; Forging machines with hammers or die jaws acting by impact |
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B21J 7/02
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Special design or construction |
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B21J 7/04
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Power hammers |
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B21J 7/06
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Drop hammers |
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B21J 7/08
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Drop hammers with rigidly-guided hammer |
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B21J 7/10
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Special design or construction with both drive and hammer connected to a fulcrumed lever, e.g. tail hammers |
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B21J 7/12
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Special design or construction with both drive and hammer connected to a fulcrumed lever, e.g. tail hammers the lever being a spring, i.e. spring hammers |
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B21J 7/14
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Forging machines working with several hammers |
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B21J 7/16
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Forging machines working with several hammers in rotary arrangements |
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B21J 7/18
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Forging machines working with die jaws, e.g. pivoted, movable laterally of the forging or pressing direction, e.g. for swaging |
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B21J 7/20
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Drives for hammers; Transmission means therefor |
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B21J 7/22
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Drives for hammers; Transmission means therefor for power hammers |
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B21J 7/24
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Drives for hammers; Transmission means therefor for power hammers operated by steam, air, or other gaseous pressure |
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B21J 7/26
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Drives for hammers; Transmission means therefor for power hammers operated by steam, air, or other gaseous pressure operated by internal combustion |
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B21J 7/28
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Drives for hammers; Transmission means therefor for power hammers operated by hydraulic or liquid pressure |
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B21J 7/30
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Drives for hammers; Transmission means therefor for power hammers operated by electro-magnets |
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B21J 7/32
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Drives for hammers; Transmission means therefor for power hammers operated by rotary drive, e.g. electric motor |
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B21J 7/34
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Drives for hammers; Transmission means therefor for power hammers operating both the hammer and the anvil, so-called counter-tup |
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B21J 7/36
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Drives for hammers; Transmission means therefor for drop hammers |
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B21J 7/38
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Drives for hammers; Transmission means therefor for drop hammers driven by steam, air, or other gaseous pressure |
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B21J 7/40
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Drives for hammers; Transmission means therefor for drop hammers driven by hydraulic or liquid pressure |
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B21J 7/42
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Drives for hammers; Transmission means therefor for drop hammers operated by rotary drive, e.g. electric motors |
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B21J 7/44
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Drives for hammers; Transmission means therefor for drop hammers operated by rotary drive, e.g. electric motors equipped with belts, ropes, cables, chains |
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B21J 7/46
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Control devices specially adapted to forging hammers, not restricted to one of the preceding subgroups |
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B21J 9/00
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Forging presses |
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B21J 9/02
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Special design or construction |
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B21J 9/04
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Piercing presses |
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B21J 9/06
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Swawing presses; Upsetting presses |
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B21J 9/08
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Swawing presses; Upsetting presses equipped with devices for heating the workpiece |
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B21J 9/10
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Drives for forging presses |
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B21J 9/12
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Drives for forging presses operated by hydraulic or liquid pressure |
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B21J 9/14
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Drives for forging presses operated by hydraulic or liquid pressure in conjunction with electric power |
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B21J 9/16
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Drives for forging presses operated by hydraulic or liquid pressure in conjunction with steam or gas power |
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B21J 9/18
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Drives for forging presses operated by making use of gearing mechanisms, e.g. levers, spindles, crankshafts, eccentrics, toggle-levers, rack bars |
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B21J 9/20
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Control devices specially adapted to forging presses not restricted to one of the preceding subgroups |
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B21J 11/00
|
Forging hammers combined with forging presses; Forging machines with provision for hammering and pressing |
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B21J 13/00
|
FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES - Details of machines for forging, pressing, or hammering |
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B21J 13/02
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Dies or mountings therefor |
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B21J 13/03
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Die mountings |
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B21J 13/04
|
Frames; Guides |
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B21J 13/06
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Hammer tups; Anvils; Anvil blocks |
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B21J 13/08
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Accessories for handling work or tools |
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B21J 13/10
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Manipulators |
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B21J 13/12
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Turning means |
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B21J 13/14
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Ejecting devices |
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B21J 15/00
|
Riveting |
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B21J 15/02
|
Riveting procedures |
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B21J 15/04
|
Riveting hollow rivets mechanically |
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B21J 15/06
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Riveting hollow rivets by means of hydraulic, liquid, or gas pressure |
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B21J 15/08
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Riveting by applying heat to the end parts of the rivets to enable heads to be formed |
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B21J 15/10
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Riveting machines |
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B21J 15/12
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Riveting machines with tools or tool parts having a movement additional to the feed movement, e.g. spin |
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B21J 15/14
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Riveting machines specially adapted for riveting specific articles, e.g. brake lining machines |
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B21J 15/16
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Drives for riveting machines; Transmission means therefor |
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B21J 15/18
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Drives for riveting machines; Transmission means therefor operated by air pressure or other gas pressure, e.g. explosion pressure |
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B21J 15/20
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Drives for riveting machines; Transmission means therefor operated by hydraulic or liquid pressure |
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B21J 15/22
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Drives for riveting machines; Transmission means therefor operated by both hydraulic or liquid pressure and gas pressure |
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B21J 15/24
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Drives for riveting machines; Transmission means therefor operated by electro-magnets |
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B21J 15/26
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Drives for riveting machines; Transmission means therefor operated by rotary drive, e.g. by electric motor |
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B21J 15/28
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Control devices specially adapted to riveting machines not restricted to one of the preceding subgroups |
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B21J 15/30
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Particular elements, e.g. supports; Suspension equipment specially adapted for portable riveters |
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B21J 15/32
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Devices for inserting or holding rivets in position with or without feeding arrangements |
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B21J 15/34
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Devices for inserting or holding rivets in position with or without feeding arrangements for installing tubular rivets |
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B21J 15/36
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Rivet sets, i.e. tools for forming heads; Mandrels for expanding parts of hollow rivets |
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B21J 15/38
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Accessories for use in connection with riveting, e.g. pliers for upsetting; Hand tools for riveting |
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B21J 15/40
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Accessories for use in connection with riveting, e.g. pliers for upsetting; Hand tools for riveting for forming rivet heads |
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B21J 15/42
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Special clamping devices for workpieces to be riveted together, e.g. operating through the rivet holes |
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B21J 15/44
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Rivet hole positioners |
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B21J 15/46
|
Positioners for rivets for making tube joints |
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B21J 15/48
|
Devices for caulking rivets |
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B21J 15/50
|
Removing or cutting devices for rivets |
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B21J 17/00
|
Forge furnaces |
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B21J 17/02
|
Forge furnaces electrically heated |
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B21J 19/00
|
Blacksmiths' requisites not otherwise provided for |
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B21J 19/02
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Hearths; Air supply arrangements specially adapted therefor |
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B21J 19/04
|
Anvils; Associated items |
