B21L   1/00		Ĺ߷ޤ¾ñʷΥ󥯤褦˥åɡ磻䡤ޤϥȥåײùҤʤ뤳Ȥˤޤϥ󥯤¤ʣ£̣£̣ͥ	Making chains or chain links by bending workpieces of rod, wire, or strip to form links of oval or other simple shape(<b>B21L3/00</b>, <b>B21L7/00</b> take precedence)	325
B21L   1/02		ùҤξüܤ褦˶ʤ뤳Ȥˤ	by bending the ends of the workpieces to abut	153
B21L   1/04		ùҤξüʤ̸ĤܼѤޤѤˤξüϢ뤹뤳Ȥˤ	by bending and interconnecting the ends of the workpieces with or without separate jointing members	73
B21L   3/00		󥯤ޤϥʤʤư³üܤ뤤ϤϤդ뤳Ȥˤޤϥ󥯤¤ʣ£̣ͥ	Making chains or chain links by bending the chain links or link parts and subsequently welding or soldering the abutting ends(<b>B21L7/00</b> takes precedence)	360
B21L   3/02		ѵޤ	Machines or devices for welding chain links	391
B21L   3/04		ܤޤϰܤѤ	by making use of forge or pressure welding	19
B21L   5/00		ι¤ʤܤʤΥ󥯤ǽȯù뤳Ȥˤޤϥ󥯤¤	Making chains or chain links by working the starting material in such a way that integral, i.e. jointless, chain links are formed	119
B21L   5/02		Ϣ󥯤ˤ	in such a way that interconnected links are formed	39
B21L   7/00		뤫ñ롼פޤϥ롼ʤǤʤȤ߹礻Ƥư³ܤޤܤˤͤ뤳Ȥˤޤϥ󥯤¤	Making chains or chain links by cutting single loops or loop-parts from coils, assembling the cut parts and subsequently subjecting same to twisting with or without welding	87
B21L   9/00		ޤϥ󥯤¤âĤޤϤʾμʤΩƤ줿󥯤ΤΡ㡥ɥ饤֥ʣ£̣£̣£̣£̣ͥ	Making chains or chain links, the links being composed of two or more different parts, e.g. drive chains(<b>B21L1/04</b>, <b>B21L7/00</b>, <b>B21L11/14</b>, <b>B21L13/00</b> take precedence)	452
B21L   9/02		ޤ¾Υץ졼ȥ󥯷Τ	of roller-chain or other plate-link type	305
B21L   9/04		󥯤μʤȴ뤤϶ʤ	Punching or bending the different parts of the chain links	300
B21L   9/06		ʤΤʬ롤ȤΩơ٥åᡤޤϻž夲	Sorting, feeding, assembling, riveting, or finishing parts of chains	1386
B21L   9/08		󥯤ʤ礹뤳ȡ㡥ʤ	Combining the chain links with auxiliary parts, e.g. welding-on wear-resistant parts	45
B21L  11/00		üΥޤϥ󥯤¤	Making chains or chain links of special shape	631
B21L  11/02		ƥ󥯤ξüΥ󥯤˷礹褦˶ʤޤϷ줿ñफ	each link being formed of a single member of which both ends are bent or shaped to engage the middle portion of the next link	32
B21L  11/04		ü褦˥ԥ󥰤ޤȴ	the ends being pierced or punched to form eyes	15
B21L  11/06		ùҤȥå׶°Ǥ	the workpiece being of thin strip metal	12
B21L  11/08		üƱ󥯤¾ʬȷ礷Ƥ	the ends being interengaged with other parts of the same link	6
B21L  11/10		󥯤иоȷ˺줿ӥեåʬΤΣĤʬܥ󥯤ΤΥҥ󥸾ٻΤƤΡʣ£̣ͥ	the chain links having opposed correspondingly shaped cylindrical and hook-like parts of which one part forms a hinge-like support for the adjacent link(<b>B21L11/02</b> takes precedence)	13
B21L  11/12		ӡɥ	Forming bead chains	42
B21L  11/14		ޤϰι¤˷åɤĥ󥯤¤	Making chain links with inserted or integrally- formed studs	157
B21L  13/00		üνüޤ֥󥯤¤ѷѼ¤㡥٥롤å	Making terminal or intermediate chain links of special shape; Making couplings for chains, e.g. swivels, shackles	111
B21L  15/00		ޤϥ󥯤λž夲ޤϥɥå󥰡㡥ޤνʣ£̣ͥ	Finishing or dressing chains or chain links, e.g. removing burr material, calibrating(<b>B21L9/06</b> takes precedence)	523
B21L  15/02		ǤĺƤ󥯤Τͤ	Twisting already closed links	26
B21L  19/00		ˡΤˤꤵʤ¤°	Appurtenances for chain-making not restricted to any particular process	589
B21L  21/00		°ùȤѤѹޤƻ㡥ѷ󥯼賰ѤΤ	Tools or implements for repairing chains using metal-working operations, e.g. for detaching deformed chain links	636
B21L  99/00		Υ֥饹¾Υ롼פʬवʤࡡΣ	Subject matter not provided for in other groups of this subclass	164
