E21D   1/00		Ωƹ	Sinking shafts	1211
E21D   1/02		ˤ	by hand	24
E21D   1/03		ˤΡʣţģͥ	mechanically(<b>E21D1/08</b> takes precedence)	1087
E21D   1/04		ĤߵĤ	with grabs	294
E21D   1/06		Ωƹܡ󥰥åĤΡʺ﹦ţ¡	with shaft-boring cutters(drilling machines <b>E21B</b>)	1325
E21D   1/08		ưʤ饤˥󥰤	while moving the lining downwards	745
E21D   1/10		פݸ	Preparation of the ground	146
E21D   1/12		ˤ	by freezing	364
E21D   1/14		Ѷ	Freezing apparatus	204
E21D   1/16		в뤳ȤˤΡʥ󥫡ܥȤΥ饦ȣţģ	by petrification(grouting anchoring-bolts <b>E21D20/02</b>)	213
E21D   3/00		Ωƹꡤʤ줫˸η	Raising shafts, i.e. working upwards from the bottom	644
E21D   5/00		ΩƹؤΥ饤˥󥰡ΤΥ饤˥󥰡ʣţģͥˡΣ	Lining shafts; Linings therefor(<b>E21D11/00</b> takes precedence)	644
E21D   5/01		˱ΤޤǴʪήǺä饤˥󥰤Ѥ	using prefabricated lining lowered into a hole filled with liquid or viscous mass	139
E21D   5/012		饤˥ؤɽ̤ޤϴ֤˿̩ޤϸѤ	Use of fluid-tight or anti-friction material on outside of, or between, lining layers	205
E21D   5/016		٤	Bearer curbs	50
E21D   5/02		ںˤΡʣţģţģţģͥ	with wood(<b>E21D5/01</b>, <b>E21D5/012</b>, <b>E21D5/016</b> take precedence)	13
E21D   5/04		󥬡󥯥꡼ȡкޤϤηˤΡʣţģţģţģͥ	with brick, concrete, stone, or similar building materials(<b>E21D5/01</b>, <b>E21D5/012</b>, <b>E21D5/016</b> take precedence)	1400
E21D   5/06		ŴޤϹݤˤΡʣţģţģţģͥ	with iron or steel(<b>E21D5/01</b>, <b>E21D5/012</b>, <b>E21D5/016</b> take precedence)	383
E21D   5/08		ݤη֤ˤ	in the form of profiled parts	210
E21D   5/10		勞η֤ˤ	in the form of tubbing	464
E21D   5/11		ۤʤȤ߹碌㡥ڡ°󥯥꡼ȡʣţģţģţģͥ	with combinations of different materials, e.g. wood, metal, concrete(<b>E21D5/01</b>, <b>E21D5/012</b>, <b>E21D5/016</b> take precedence)	837
E21D   5/12		Ωƹ饤˥󥰤°㡥Ĥ겼å	Accessories for making shaft linings, e.g. suspended cradles, shutterings	1496
E21D   7/00		Ωƹ֡㡥Ωƹλ	Shaft equipment, e.g. timbering within the shaft	1739
E21D   7/02		ΩƹΥɤ֡ɤΩƹ̤ؤμդʥ١Ѥΰ⵰ޤϥɣ££	Arrangement of guides for cages in shafts; Connection of guides for cages to shaft walls(guideways or guides for elevators <b>B66B7/02</b>)	423
E21D   8/00		롼ףţģţģʬवʤΩƹΣ	Shafts not provided for in groups <b>E21D1/00 to E21D7/00</b> 	344
E21D   9/00		饤˥󥰤ͭ뤫ͭʤȥͥޤϹƻ¤뤿ˡޤ֡ʥ饤˥󥰤켫ΣţģФޤФɸϲƻţƣˡȥͥޤϹƻΥ쥤ȡΣ	Tunnels or galleries, with or without linings; Methods or apparatus for making thereof(linings <u>per se</u><b>E21D11/00</b>; galleries protecting against falling rocks or avalanches <b>E01F7/04</b>);Layout of tunnels or galleries	15488
E21D   9/01		ȥ̤ͥޤ뤿ˡ뤤֡㡥θι⤵ؤΣ	Methods or apparatus for enlarging or restoring the cross-section of tunnels, e.g. by restoring the floor to its original level	846
E21D   9/02		ФȥͥޤϹƻηʡΣ	Driving inclined tunnels or galleries	470
E21D   9/04		ؤ̤äƤΥȥͥޤϹƻηʡ¾ʬवʤΤ	Driving tunnels or galleries through loose materials; Apparatus therefor not otherwise provided for	3389
E21D   9/06		ʤ륷ɤѤƺΡΣ	Making by using a driving shield	26758
E21D   9/08		﹦ޤںʤղäΡΣ	with additional boring or cutting means	10449
E21D   9/087		ΤƱں魯롤ž﹦إåɤͭΡʤե롦եޥΣ	with a rotary drilling-head cutting simultaneously the whole cross-section, i.e. full-face machines	6067
E21D   9/093		ʤ륷ɤΣ	Control of the driving shield	3522
E21D   9/10		﹦ޤںﵡȤäƺΡʣţģͥ表ιѤƱͤεţãιѥԥåţãˡΣ	Making by using boring or cutting machines(<b>E21D9/08</b> takes precedence; similar machines for mining <b>E21C27/20</b>; mining picks <b>E21C35/18</b>)	11194
E21D   9/11		ΤƱں魯롤ž﹦إåɤͭΡʤե롦եޥΣ	with a rotary drilling-head cutting simultaneously the whole cross-section, i.e. full-face machines	2129
E21D   9/12		ʪޤϷڤΰޤϱ֡Ȥޤѹϲα£ţƣˡΣ	Devices for removing or hauling away excavated material or spoil; Working or loading platforms(underground transport <b>E21F13/00</b>)	11471
E21D   9/13		ΤޤϵΤˤ뱿¼ʤȤΡΣ	using hydraulic or pneumatic conveying means	1747
E21D   9/14		ȥͥޤϹƻ߷ס¾ʬवʤȥͥޤϹƻι¤ħ㡥硤ȥͥγˤθΣ	Layout of tunnels or galleries; Constructional features of tunnels or galleries, not otherwise provided for, e.g. portals, day-light attenuation at tunnel openings	5589
E21D  11/00		ȥͥ롤ƻޤ¾ϲƶ㡥ϲ֡ؤΥ饤˥󥰡ΤΥ饤˥󥰺ࡨǤΤΤ褦ʥ饤˥󥰤κ㡥ΩƤˤΡʣţģţģͥ表äΩƹѤΣţģϿȥͥؤΥ饤˥󥰡ΤΥ饤˥󥰣ţ£ˡΣ	Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings <u>in situ</u>, e.g. by assembling(<b>E21D15/00 to E21D23/00</b>  take precedence; specially for shafts <b>E21D5/00</b>; lining pressure water galleries, linings therefor <b>E02B9/06</b>)	12291
E21D  11/02		ںˤ饤˥󥰡Σ	Lining predominantly with wood	118
E21D  11/03		ںդѤ	using timber-setting machines	52
E21D  11/04		ˤ饤˥󥰡ʣţģţģͥˡΣ	Lining with building materials(<b>E21D11/02</b>, <b>E21D11/14</b> take precedence)	4258
E21D  11/05		ˤ	using compressible insertions	346
E21D  11/06		󥬤ˤ	with bricks	116
E21D  11/07		ѤߵѤ	using brick-laying machines	78
E21D  11/08		󥯥꡼ȥ֤ˤ	with preformed concrete slabs	11133
E21D  11/10		ǤΥ󥯥꡼ǤˤΡΤΥåޤϤ¾	with concrete cast <u>in situ</u>; Shuttering or other equipment adapted therefor	35811
E21D  11/12		ΰŪʻݡ°	Temporary supports for use during building; Accessories	822
E21D  11/14		˶°ˤ饤˥󥰡Σ	Lining predominantly with metal	4676
E21D  11/15		ľ饤˥󥰡ʤࡤʤ΢ιʪ٤ޤ٤ʻٻã褦ˤ줿饤˥󥰡ţģˡΣ	Plate linings; Laggings, i.e. linings designed for holding back formation material or for transmitting the load to main supporting members(insulation <b>E21D11/38</b>)	5223
E21D  11/18			Arch members	7487
E21D  11/20		ü̷ĤΡ㡥ȷ	Special cross-sections, e.g. corrugated	977
E21D  11/22		ޤϲ簵ϤФƲĽŪʥΥפޤϤ¾Τ߼	Clamps or other yieldable means for interconnecting adjacent arch members either rigidly, or allowing arch member parts to slide when subjected to excessive pressure	1767
E21D  11/24		֤ΥʥåѤޤϥ	Knuckle joints or links between arch members	571
E21D  11/26		Ϣ뤹륷塼	Shoes for connecting arch members to longitudinal struts	163
E21D  11/28			Longitudinal struts	905
E21D  11/30		㤤δʻѣţģ	Bases for lower arch members(for props <b>E21D15/54</b>)	397
E21D  11/34		ľȿʿĺ۸ȤϢʻΰüåףţģ	Joints between vertical props and horizontal top bars(end caps forming part of the props <b>E21D15/54</b>)	304
E21D  11/36		Ե§̷ĥȥͥޤϹƻΤ˺줿饤˥󥰤ޤϻݡΣ	Linings or supports specially shaped for tunnels or galleries of irregular cross-section	598
E21D  11/38		ɿɿ̣ţģˡǮɲŵʷ۹¤Ѱ̣ţ£ˡΣ	Waterproofing(in general <b>E02D31/00</b>);Heat insulating; Soundproofing; Electric insulating(for building constructions in general <b>E04B1/62</b>)	14878
E21D  11/40		ȥͥޤϹƻѥ饤˥󥰤Υ˥åȤ谷ޤ֤뤿äŬѤ֡Σ	Devices or apparatus specially adapted for handling or placing units of linings for tunnels or galleries	8382
E21D  13/00		ϲ֡ιˡޤ֡ʥ饤˥󥰣ţģˡΣ	Large underground chambers; Methods or apparatus for making them(lining <b>E21D11/00</b>)	2847
E21D  13/02		ˡ	Methods	1018
E21D  13/04		ü֡°	Special equipment; Accessories	702
E21D  15/00		ʷѣţǣˡѤ	Props(in the building art <b>E04G25/00</b>);Chocks	1211
E21D  15/02		һǤʤ	Non-telescopic props	720
E21D  15/04		Ĥα߿ϢˤäϢ뤵줿ʬ	with wooden prop parts joined by double conical connectors	36
E21D  15/06		ĴǤޤϤǤʤ֤ˤäϢ뤵줿ʬĤ	with parts joined by a lock, with or without slight axial adjustability	51
E21D  15/08		ȥ֤ˤϢʬĤ	with toggle joint connection	26
E21D  15/10		ߤåޤϥԥϢʬĤ	with dog-clutch or pin-and-hole connection	24
E21D  15/12		Ƭޤϵ᤯˺֤Ĥ	with locking devices located near head or foot	81
E21D  15/14		һʬꤹŪʣƣ¡	Telescopic props(general means for fixing telescopic parts together <b>F16B</b>)	932
E21D  15/15		οɤʡ¤Ĥ	Means counteracting entry of dirt; Built-in cleaning devices	193
E21D  15/16		줬簵Ϥ򤦤ưޤϤʤǸ֤ˤäݻʬĤ	with parts held together by positive means, with or without relative sliding movement when the prop is subject to excessive pressure	178
E21D  15/18		ʬٻΡ㡥եȡˤΤΤ̤ʬפߡٻΤʬӽޤž֤ޤϤʤ	with one part resting on a supporting medium, e.g. rubber, sand, bitumen, lead, located in the other part, with or without expulsion or displacement of the medium upon excessive pressure	190
E21D  15/20		ֳ֤򤪤ߤåȤλΥåޤΤΤ˷ߤޡԥ󡤲ޤΤΤĤ	with pawl, pin, cross-piece, or the like engaging with ratchet teeth, notches, holes, or the like spaced apart at intervals	189
E21D  15/22		簵ˤޤ줿ꡤʵѷꤹԥ󡤲ޤΤΤʬĤ	with member, pin, cross-piece, or the like ruptured, sheared through, or permanently deformed upon excessive pressure	132
E21D  15/24		ͤȥʥåȡåȥޤϤĤ	with axial screw-and-nut, rack-and-worm, or like mechanism	634
E21D  15/26		ͤޤΤΤΤ褦˼ȤǤϺ簵Ȥ໤ˤžɤǽĤ	with screw, worm, or the like not self-locking but normally prevented from rotation by friction members which slip upon excessive pressure	65
E21D  15/28		໤ޤϤĤߤˤꡤߤݻ礦ʬĤΡ㡥ӤѤ	with parts held relatively to each other by friction or gripping, e.g. using wedges	563
E21D  15/30		ήΤޤϵήΡ㡥ࡤΤȤƲä밵ϤˤĤ̤ꤹ֤Ĥ	by means expanded or contracted by pressure applied through the medium of a fluid or quasi-fluid, e.g. rubber	122
E21D  15/32		ѷǤ륫顼ˤ	by a deformable collar	269
E21D  15/34		ư塤ޤΤ	by axially-moving balls, rollers, or the like	54
E21D  15/36		ޤξʬϤ෹ǽʥ顼ˤ	by a tiltable collar surrounding one or both parts	86
E21D  15/38		ޤϲʬĹʬ䤵줿ʬĤΡ㡥	with longitudinally-divided upper or lower prop parts, e.g. interfitting laminations	245
E21D  15/40		ȥѡޤϤ¾⤷μʤˤߤ줿ˤäơޤξʬĤޤ륫顼ޤ¾λٻ	Collar or other support gripped to one or both parts by toggle-action, cam, or other member pivoted or similarly mounted	145
E21D  15/42		໤Ѥ˱ƶ򤪤ܤüʬĤ	with special parts to influence the friction	131
E21D  15/43		Ӥκवĥ饤˥󥰤ޤϤĤʪţģ	Details of wedges(friction linings or pads <b>E21D15/42</b>)	63
E21D  15/44		尵ޤϿ尵	Hydraulic, pneumatic, or hydraulic-pneumatic props	4416
E21D  15/45		ήΤĲϩĤΡ㡥ݥפޤϥ졼¢	having closed fluid system, e.g. with built-in pumps or accumulators	275
E21D  15/46		ٽ¬֤ĤΡ֤Ĥ	with load-measuring devices; with alarm devices	609
E21D  15/48		Ѥߤޤʪ	Chocks or the like	616
E21D  15/50		ιʬޤϺʣţģţģţģͥ	Component parts or details of props(<b>E21D15/43</b>, <b>E21D15/58</b>, <b>E21D15/60</b> take precedence)	2768
E21D  15/502		ħΤΡ㡥̷ͭĤ	Prop bodies characterised by their shape, e.g. of specified cross-section	388
E21D  15/51		尵ޤϿ尵ݶͭΤΡ㡥ۤ	specially adapted to hydraulic, pneumatic, or hydraulic-pneumatic props, e.g. arrangements of relief valves	3067
E21D  15/52		ξޤϲ֤ߤ	Extensible units located above or below standard props	272
E21D  15/54		üκԲǽʤΣţģ	Details of the ends of props(for permitting step-by-step movement <b>E21D23/06</b>)	1537
E21D  15/55		Ƭ	of prop heads	1589
E21D  15/56		һκκ	Details of locks of telescopic props	234
E21D  15/58		դ	Devices for setting props	872
E21D  15/582		ŪѤΤ	for mechanical props	249
E21D  15/59		尵ޤϿ尵ݶѤΤ	for hydraulic, pneumatic, or hydraulic-pneumatic props	439
E21D  15/60		ޤѤߤű	Devices for withdrawing props or chocks	969
E21D  17/00		ŷ׻ѥå	Caps for supporting mine roofs	1265
E21D  17/01		åڤηħΤΡ㡥̷ͭĤ	characterised by the shape of the cap, e.g. of specified cross-section	845
E21D  17/02		һ¤ޤƱλ	Cantilever extension or similar protecting devices	449
E21D  17/022		ŷ׻ݤȤΩƤ֤βݤѤ	Auxiliary devices for temporary support of roof-supporting beams whilst assembling	114
E21D  17/03		ŷ׻ѥ֥饱å	Brackets for roof-supporting bars	189
E21D  17/04		ĹɹˡѤ	for use in longwall working	146
E21D  17/05		尵ˤ꿭ĥ	hydraulically extensible	60
E21D  17/054		尵ˤž	hydraulically pivotable	43
E21D  17/06		ƻʤѤ	for use in drifting galleries	75
E21D  17/08		Ω줷ʤṳ́뤿ΥåڤηѼ	Cap joints for obtaining a coal-face free of pit-props	55
E21D  17/082		Τ	of sliding type	115
E21D  17/086		Τ	of articulated type	428
E21D  17/10		αĤޤϻʤǡڱѻƬ˷礹뤿Υåڤκα	Details of mine caps for engaging the tops of pit-props, with or without retaining-plates; Retaining-plates	914
E21D  19/00		ȶ֤ΰŪݸСʣţģţģͥˡΣ	Provisional protective covers for working space(<b>E21D9/06</b>, <b>E21D23/00</b> take precedence)	2327
E21D  19/02		ĹɹˡѤ	for use in longwall working	1062
E21D  19/04		ƻʤѤ	for use in drifting galleries	1205
E21D  19/06		Сμ֡Σ	Arrangements for applying the covers	611
E21D  20/00		󥫡ܥȤοդΩƹȥͥޤϹƻѥ󥫡ܥȣţģùäŬ礷¤Ǥޤϳɤ夵뤿μʣţģ٥ޤϸΤɤޤϤΤΤߤ줿Ƥ˼դ뤽¾֣ƣ£ˡΣ	Setting anchoring-bolts(anchoring bolts for shafts, tunnels or galleries <b>E21D21/00</b>; means for anchoring structural elements or bulkheads specially adapted to foundation engineering <b>E02D5/74</b>; dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose <b>F16B13/00</b>)	15287
E21D  20/02		饦ȤĤ	with provisions for grouting	7928
E21D  21/00		ŷססޤΩƹ饤˥ݸѥ󥫡ܥȡʥ٥롤ޤϸΤɤޤϤΤΤߤ줿ˤƤ˼դ뤽¾֣ƣ£ˡΣ	Anchoring-bolts for roof, floor, or shaft-lining protection(dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose <b>F16B13/00</b>)	15635
E21D  21/02		ĥϻؼʤĤΡĥϻؼΤä߷פͤѤƣ£	having means for indicating tension(screwed connections specially modified for indicating tensile load <b>F16B31/02</b>)	873
E21D  23/00		Լŷ׻ݡ㡥٥ηޤϤΰʤΤȤȹ礻ڱ̤Ǥκιۥ٥οʤ켫Σţƣ	Mine roof supports for step-by-step movement, e.g. in combination with provisions for shifting of conveyors, mining machines or guides therefor(shifting of mine conveyors at the working face, <u>per se</u><b>E21F13/08</b>)	5281
E21D  23/03		ȶ֤ޤϻٻؤΤФʪοɤޤ˸뤿ݸʡ㡥ɡͭΡΣ	having protective means, e.g. shields, for preventing or impeding entry of loose material into the working space or support	1654
E21D  23/04		ݵι¤Ūħ㡥Ȥޤϻ췲δ֤ĤʤࡨоǤβ˻ߤ뤿֡ʣţģͥ	Structural features of the supporting construction, e.g. linking members between adjacent frames or sets of props; Means for counteracting lateral sliding on inclined floor(<b>E21D23/14</b> takes precedence)	8549
E21D  23/06		ԻݤͭʥåڤޤϻƬ	Special mine caps or special tops of pit-props for permitting step-by-step movement	1869
E21D  23/08		ʵʣţģͥ	Advancing mechanisms(<b>E21D23/16</b> takes precedence)	2218
E21D  23/10		칽¤ʬΥ֤Ĥ	with advancing devices separate from the supporting construction	204
E21D  23/12		桤㡥ѤΡʣţģͥ	Control, e.g. using remote control(<b>E21D23/16</b> takes precedence)	1222
E21D  23/14		줬ưŪϢư򤹤Ρ㡥ܤư¾³ư	Effecting automatic sequential movement of supports, e.g. one behind the other	429
E21D  23/16		尵ޤ϶ħ㡥ϩۤޤŬդޤű	Hydraulic or pneumatic features, e.g. circuits, arrangement or adaptation of valves, setting or retracting devices	4961
E21D  23/18		ʵ˴ؤ	of advancing mechanisms	634
E21D  23/20		Ϣư򤹤Ρ㡥ܤư¾³ư	for sequential movement, e.g. one behind the other	139
E21D  23/22		åڤȷ礷	incorporated in mine caps	82
E21D  23/24		칽¤ʬΥ֤Ĥ	the advancing mechanisms being separate from the supporting construction	33
E21D  23/26		尵ޤ϶	Hydraulic or pneumatic control	974
