B21J   1/00		°Ĵ	Preparing metal stock	805
B21J   1/02		ηѷʤ°Ǻ㡥ްβǺι¤ޤϥץ쥹ùѷˤʪŪβɣãģãƣ	Preliminary treatment of metal stock without particular shaping, e.g. salvaging segregated zones, forging or pressing in the rough(modifying the physical properties by deformation <b>C21D7/00</b>, <b>C22F1/00</b>)	955
B21J   1/04		¤ޤϥץ쥹Τߤˤä̤ž夲֤	Shaping in the rough solely by forging or pressing	1757
B21J   1/06		üޤϥץ쥹򤪤ʤäѤǮˡޤ	Heating or cooling methods or arrangements specially adapted for performing forging or pressing operations	4978
B21J   3/00		¤ޤϥץ쥹νʽ̣ƣΡ	Lubricating during forging or pressing(lubricating in general <b>F16N</b>)	2377
B21J   5/00		¤ϥޥ󥰤ޤϥץ쥹ˡʶ°ġ°ɡޤϥץեβùѣ£ġ磻䡼βù£ơˡΤü֤ޤ°	Methods for forging, hammering, or pressing(for working sheet metal or metal tubes, rods, or profiles <b>B21D</b>; for working wire <b>B21F</b>);Special equipment or accessories therefor	9791
B21J   5/02		¤üʥѤȥߥ	Die forging; Trimming by making use of special dies	8624
B21J   5/04		ήΰϤޤȯϤľܲä뤳Ȥˤù	by directly applied fluid pressure or explosive action	490
B21J   5/06		򤪤ʤ	for performing particular operations	4157
B21J   5/08			Upsetting	5584
B21J   5/10		ӥåȤηʲФȤȹ礻£ã	Piercing billets(in combination with extrusion <b>B21C23/00</b>)	1742
B21J   5/12		̤ޤϳ̾Υץե¤ץ쥹ޤϥϥޥ󥰤ˤͤ£ˡ	Forming profiles on internal or external surfaces(making screw-thread by forging, pressing, or hammering <b>B21K</b>)	2230
B21J   7/00		ϥޡ׷Ū˺ѤϥޡޤϷ¤ʼưϥޡ£ġŵŪʥϥޡȥ	Hammers; Forging machines with hammers or die jaws acting by impact (hand hammers <b>B25D</b>;  electrical features section <b>H</b>)	263
B21J   7/02		ü߷פޤϹ¤	Special design or construction	475
B21J   7/04		ѥϥޡ	Power hammers	918
B21J   7/06		ɥåץϥޡ	Drop hammers	204
B21J   7/08		ϥޤΤ˰⤵	with rigidly-guided hammer	31
B21J   7/10		ǻ٤줿ƤϢ뤵줿ư֤ȥϥޤξĤΡ㡥ƥϥ	with both drive and hammer connected to a fulcrumed lever, e.g. tail hammers	86
B21J   7/12		ץ󥰤ҤȤΡʤץ󥰥ϥ	the lever being a spring, i.e. spring hammers	366
B21J   7/14		ʣΥϥޡ¤	Forging machines working with several hammers	865
B21J   7/16		߷Τ	in rotary arrangements	789
B21J   7/18		¤ޤϥץ쥹ľѤ˲ưǤ뷿㡥٤줿Ρ¤㡥ѤΤ	Forging machines working with die jaws, e.g. pivoted, movable laterally of the forging or pressing direction, e.g. for swaging	301
B21J   7/20		ϥޡФư֡Фã	Drives for hammers; Transmission means therefor	101
B21J   7/22		ѥϥޡѤΤ	for power hammers	113
B21J   7/24		ޤ¾εΤΰϤˤ	operated by steam, air, or other gaseous pressure	1098
B21J   7/26		ǳؤˤ	operated by internal combustion	107
B21J   7/28		尵ޤϱհˤ	operated by hydraulic or liquid pressure	679
B21J   7/30		żˤ	operated by electro-magnets	182
B21J   7/32		žưˤ㡥ŵ⡼ˤ	operated by rotary drive, e.g. electric motor	240
B21J   7/34		ϥޤӥӥ롤륫󥿡åסξ	operating both the hammer and the anvil, so-called counter-tup	202
B21J   7/36		ɥåץϥޡѤΤ	for drop hammers	236
B21J   7/38		ޤ¾Υˤư	driven by steam, air, or other gaseous pressure	56
B21J   7/40		尵ޤ¾αհˤư	driven by hydraulic or liquid pressure	76
B21J   7/42		žưˤ㡥ŵ⡼	operated by rotary drive, e.g. electric motors	61
B21J   7/44		٥ȡסݺ	equipped with belts, ropes, cables, chains	192
B21J   7/46		ԤΥ֥롼פΰĤ˸ꤵʤ¤ѥϥޡäŬѤ	Control devices specially adapted to forging hammers, not restricted to one of the preceding subgroups	478
B21J   9/00		¤ץ쥹	Forging presses	708
B21J   9/02		ü߷פޤϹ¤	Special design or construction	4679
B21J   9/04		ԥ󥰥ץ쥹	Piercing presses	475
B21J   9/06		󥰥ץ쥹ץץƥ󥰥ץ쥹	Swawing presses; Upsetting presses	2998
B21J   9/08		ǺǮ뤿ʬ֡ŵŪǮǣȣ¡	equipped with devices for heating the workpiece(electric heating elements <b>H05B</b>)	767
B21J   9/10		¤ץ쥹ζư	Drives for forging presses	329
B21J   9/12		尵ޤϱհˤ	operated by hydraulic or liquid pressure	2142
B21J   9/14		ŵŪϤƱ˺Ѥ	in conjunction with electric power	126
B21J   9/16		ޤϥƱ˺Ѥ	in conjunction with steam or gas power	109
B21J   9/18		ϢưѤ㡥Сԥɥ롤󥯥եȡпءȥСå	operated by making use of gearing mechanisms, e.g. levers, spindles, crankshafts, eccentrics, toggle-levers, rack bars	1977
B21J   9/20		ԤΥ֥롼פΰĤ˸ꤵʤΤ¤ץ쥹äŬѤ	Control devices specially adapted to forging presses not restricted to one of the preceding subgroups	1708
B21J  11/00		¤ץ쥹ʻѤ¤ϥޡϥޥ󥰤ȥץ쥹ä¤ѵ	Forging hammers combined with forging presses; Forging machines with provision for hammering and pressing	229
B21J  13/00		¤ץ쥹ޤϥϥޥ󥰤˻Ѥ뵡	Details of machines for forging, pressing, or hammering	7099
B21J  13/02		ޤϤꤹΡΣ	Dies or mountings therefor	20340
B21J  13/03		Σ	Die mountings	3222
B21J  13/04		ȡ	Frames; Guides	1271
B21J  13/06		ϥޤ̡ʤʤ	Hammer tups; Anvils; Anvil blocks	1625
B21J  13/08		ʤޤϹ뤿°	Accessories for handling work or tools	5991
B21J  13/10		ޥ˥ץ졼ʰ̣£ʡ	Manipulators(in general <b>B25J</b>)	5806
B21J  13/12		ž	Turning means	1237
B21J  13/14		ӽ	Ejecting devices	5283
B21J  15/00		٥å	Riveting	2130
B21J  15/02		٥åˡ	Riveting procedures	3414
B21J  15/04		ۥ٥åȤεŪ٥å	Riveting hollow rivets mechanically	1436
B21J  15/06		尵հޤϥμʤˤۥ٥åȤΥ٥å	Riveting hollow rivets by means of hydraulic, liquid, or gas pressure	569
B21J  15/08		Ƭ褦˥٥åȤΰüǮä褦ˤ٥å	Riveting by applying heat to the end parts of the rivets to enable heads to be formed	342
B21J  15/10		٥åᵡŵŪǮǣȣ¡	Riveting machines(electric heating elements <b>H05B</b>)	6484
B21J  15/12		뱿ư˲äƤ뱿ư㡥ԥ󡤤ԤޤϹʤĤ	with tools or tool parts having a movement additional to the feed movement, e.g. spin	1356
B21J  15/14		ʤ٥å᤹뤿äŬѤΡ㡥֥졼饤˥	specially adapted for riveting specific articles, e.g. brake lining machines	3684
B21J  15/16		٥åᵡѤζư֡Τư	Drives for riveting machines; Transmission means therefor	1571
B21J  15/18		ޤ¾Υˤ㡥ȯ	operated by air pressure or other gas pressure, e.g. explosion pressure	1314
B21J  15/20		尵ޤ¾αհˤ	operated by hydraulic or liquid pressure	1182
B21J  15/22		尵ޤϱհȥξѤ	operated by both hydraulic or liquid pressure and gas pressure	412
B21J  15/24		żˤ	operated by electro-magnets	220
B21J  15/26		žư֤ˤ㡥ư⡼ˤ	operated by rotary drive, e.g. by electric motor	1076
B21J  15/28		٥åᵡäŬѤ֤ǤäΥ֥롼פΤĤ˸ꤵʤ	Control devices specially adapted to riveting machines not restricted to one of the preceding subgroups	1984
B21J  15/30		üǡ㡥ٻ֡ݡ֥٥åᵡäŬѤߤ겼	Particular elements, e.g. supports; Suspension equipment specially adapted for portable riveters	2544
B21J  15/32		֤Ѥ뤫ޤѤƽ֤˥٥åȤ򤽤뤫ޤݻ뤿	Devices for inserting or holding rivets in position with or without feeding arrangements	5225
B21J  15/34		ɾΥ٥åȤ򤽤٤	for installing tubular rivets	370
B21J  15/36		٥åȥåȡ㡥Ƭ뤿ι񡨥ۥ٥åȤγȤʬŬѤޥɥ	Rivet sets, i.e. tools for forming heads; Mandrels for expanding parts of hollow rivets	1838
B21J  15/38		٥åȤѤܹ礹ݤ˻Ѥ뤿°㡥ý̤뤿ΤäȤ٥åȤΤμƻ	Accessories for use in connection with riveting, e.g. pliers for upsetting; Hand tools for riveting	8702
B21J  15/40		٥åȤƬ뤿Τ	for forming rivet heads	185
B21J  15/42		Ȥ˥٥åᤵҤΤ̤Ļ֡㡥٥åѷ̤ƺѤ	Special clamping devices for workpieces to be riveted together, e.g. operating through the rivet holes	2680
B21J  15/44		٥åѷΰ֤	Rivet hole positioners	685
B21J  15/46		塼ַԤΥ٥åȤΰ֤	Positioners for rivets for making tube joints	61
B21J  15/48		٥åȤΥ	Devices for caulking rivets	96
B21J  15/50		٥åȤνޤ	Removing or cutting devices for rivets	622
B21J  17/00		¤ѤϧǮΤϧãģϧ̣ƣ	Forge furnaces(furnaces for heat treatment <b>C21D9/00</b>; furnaces in general <b>F27</b>)	1592
B21J  17/02		ŵŪʲǮŵŪǮǣȣ¡	electrically heated(electric heating elements <b>H05B</b>)	435
B21J  19/00		결ʳˤϻѤʤΤɬ	Blacksmiths' requisites not otherwise provided for	71
B21J  19/02		ϧϧΤߤä˻Ѥζ	Hearths; Air supply arrangements specially adapted therefor	255
B21J  19/04		ӥ롨Ϣ	Anvils; Associated items	95
