E21D   1/00  \	0	0	2D054	E21D   1/00	38	Ωƹ	Sinking shafts
E21D   1/00  A	0	0	2D054	E21D   1/00	110	³	Connected to tunnels
E21D   1/00  B	0	0	2D054	E21D   1/00	39	ȯˤˤ	by blasting
E21D   1/00  C	0	0	2D054	E21D   1/00	83	ڤӽ	removing dug soil
E21D   1/00  Z	0	0	2D054	E21D   1/00	130	¾	Others
E21D   1/02  \	1	1	2D054	E21D   1/02	5	ˤ	by hand
E21D   1/03  \	1	1	2D054	E21D   1/03	347	ˤΡʣţģͥ	mechanically (E21D 1/08 takes precedence)
E21D   1/04  \	2	2	2D054	E21D   1/04	86	ĤߵĤ	with grabs
E21D   1/06  \	2	2	2D054	E21D   1/06	213	Ωƹܡ󥰥åĤΡʺ﹦ţ¡	with shaft-boring cutters (drilling machines E21B)
E21D   1/08  \	1	1	2D054	E21D   1/08	267	ưʤ饤˥󥰤	while moving the lining downwards
E21D   1/10  \	1	1	2D054	E21D   1/10	22	פݸ	Preparation of the ground
E21D   1/12  \	2	2	2D054	E21D   1/12	26	ˤ	by freezing
E21D   1/14  \	3	3	2D054	E21D   1/14	6	Ѷ	Freezing apparatus
E21D   1/16  \	2	2	2D054	E21D   1/16	12	в뤳ȤˤΡʥ󥫡ܥȤΥ饦ȣţģ	by petrification (grouting anchoring-bolts E21D 20/02)
E21D   3/00  \	0	0	2D054	E21D   3/00	4	Ωƹꡤʤ줫˸η	Raising shafts, i.e. working upwards from the bottom
E21D   3/00  A	0	0	2D054	E21D   3/00	67		Bodies
E21D   3/00  B	0	0	2D054	E21D   3/00	19	ӥĥ	Bits
E21D   3/00  Z	0	0	2D054	E21D   3/00	49	¾	Others
E21D   5/00  \	0	0	2D054	E21D   5/00	129	ΩƹؤΥ饤˥󥰡ΤΥ饤˥󥰡ʣţģͥˡΣ	Lining shafts; Linings therefor (E21D 11/00 takes precedence) [3]
E21D   5/01  \	1	1	2D054	E21D   5/01	54	˱ΤޤǴʪήǺä饤˥󥰤Ѥ	using prefabricated lining lowered into a hole filled with liquid or viscous mass
E21D   5/012  \	1	1	2D054	E21D   5/012	42	饤˥ؤɽ̤ޤϴ֤˿̩ޤϸѤ	Use of fluid-tight or anti-friction material on outside of, or between, lining layers
E21D   5/016  \	1	1	2D054	E21D   5/016	11	٤	Bearer curbs
E21D   5/02  \	1	1	2D054	E21D   5/02	1	ںˤΡʣţģţģţģͥ	with wood (E21D 5/01, E21D 5/012, E21D 5/016 take precedence)
E21D   5/04  \	1	1	2D054	E21D   5/04	149	󥬡󥯥꡼ȡкޤϤηˤΡʣţģţģţģͥ	with brick, concrete, stone, or similar building materials (E21D 5/01, E21D 5/012, E21D 5/016 take precedence)
E21D   5/06  \	1	1	2D054	E21D   5/06	79	ŴޤϹݤˤΡʣţģţģţģͥ	with iron or steel (E21D 5/01, E21D 5/012, E21D 5/016 take precedence)
E21D   5/08  \	2	2	2D054	E21D   5/08	82	ݤη֤ˤ	in the form of profiled parts
E21D   5/10  \	2	2	2D054	E21D   5/10	255	勞η֤ˤ	in the form of tubbing
E21D   5/11  \	1	1	2D054	E21D   5/11	68	ۤʤȤ߹碌㡥ڡ°󥯥꡼ȡʣţģţģţģͥ	with combinations of different materials, e.g. wood, metal, concrete (E21D 5/01, E21D 5/012, E21D 5/016 take precedence)
E21D   5/12  \	1	1	2D054	E21D   5/12	82	Ωƹ饤˥󥰤°㡥Ĥ겼å	Accessories for making shaft linings, e.g. suspended cradles, shutterings
E21D   7/00  \	0	0	2D054	E21D   7/00	129	Ωƹ֡㡥Ωƹλ	Shaft equipment, e.g. timbering within the shaft
E21D   7/02  \	1	1	2D054	E21D   7/02	55	ΩƹΥɤ֡ɤΩƹ̤ؤμդʥ١Ѥΰ⵰ޤϥɣ££	Arrangement of guides for cages in shafts; Connection of guides for cages to shaft walls (guideways or guides for elevators B66B 7/02)
E21D   8/00  \	0	0	2D054	E21D   8/00	8	롼ףţģţģʬवʤΩƹΣ	Shafts not provided for in groups E21D 1/00-E21D 7/00 [8]
E21D   9/00  \	0	0	2D054	E21D   9/00	85	饤˥󥰤ͭ뤫ͭʤȥͥޤϹƻ¤뤿ˡޤ֡ʥ饤˥󥰤켫ΣţģФޤФɸϲƻţƣˡȥͥޤϹƻΥ쥤ȡΣ	Tunnels; Galleries; Large underground chambers; Linings therefor
E21D   9/00  A	0	0	2D054	E21D   9/00	260	Ƴå	Guide tunnels, sairotto
E21D   9/00  C	0	0	2D054	E21D   9/00	422	ȯˤˤ	by blasting
E21D   9/00  D	0	0	2D054	E21D   9/00	66	Ū˺դˤ	by static crushing
E21D   9/00  Z	0	0	2D054	E21D   9/00	678	¾	Others
E21D   9/01  \	1	1	2D054	E21D   9/01	225	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
E21D   9/02  \	1	1	2D054	E21D   9/02	97	ФȥͥޤϹƻηʡΣ	Driving inclined tunnels or galleries [3]
E21D   9/04  \	1	1	2D054	E21D   9/04	27	ؤ̤äƤΥȥͥޤϹƻηʡ¾ʬवʤΤ	Driving tunnels or galleries through loose materials; Apparatus therefor not otherwise provided for
E21D   9/04  A	1	0	2D054	E21D   9/04	482	饦	Grouts
E21D   9/04  B	1	0	2D054	E21D   9/04	64	ӿ	Draining
E21D   9/04  C	1	0	2D054	E21D   9/04	126		Freezing
E21D   9/04  D	1	0	2D054	E21D   9/04	55		Sheet piles
E21D   9/04  E	1	0	2D054	E21D   9/04	106		Poling sheet piles
E21D   9/04  F	1	0	2D054	E21D   9/04	1451	ѥץ롼դΤ	Pipe roofs or like
E21D   9/04  Z	1	0	2D054	E21D   9/04	172	¾	Others
E21D   9/06  \	1	1	2D054	E21D   9/06	77	ʤ륷ɤѤƺΡΣ	Making by using a driving shield [2]
E21D   9/06 301 \	2	2	2D054	E21D   9/06	38	Ūʥ	General shields
E21D   9/06 301 A	2	0	2D054	E21D   9/06	571	ʥ	Front and rear shields
E21D   9/06 301 B	2	0	2D054	E21D   9/06	101	ʬ䥷	Radially split shields
E21D   9/06 301 C	2	0	2D054	E21D   9/06	328	⳰¿ť	Multiple inside and outside shields
E21D   9/06 301 D	2	0	2D054	E21D   9/06	1087	ʬ	Extending widths, distributing
E21D   9/06 301 E	2	0	2D054	E21D   9/06	1510	ɷʵοդȯʤޤ	Installing, starting or arrival of shield machines
E21D   9/06 301 J	2	0	2D054	E21D   9/06	392	饤˥󥰥	Lining shields
E21D   9/06 301 K	2	0	2D054	E21D   9/06	228	饦	Grouts
E21D   9/06 301 L	2	0	2D054	E21D   9/06	380	໤㸺	Reducing friction forces
E21D   9/06 301 M	2	0	2D054	E21D   9/06	480	٥ȥʥ	Injecting bentonite
E21D   9/06 301 Q	2	0	2D054	E21D   9/06	83	ӿ	Draining
E21D   9/06 301 R	2	0	2D054	E21D   9/06	98		Freezing
E21D   9/06 301 V	2	0	2D054	E21D   9/06	205		Pressurised air
E21D   9/06 301 Z	2	0	2D054	E21D   9/06	1224	¾	Others
E21D   9/06 302 \	3	3	2D054	E21D   9/06	2		Details
E21D   9/06 302 A	3	0	2D054	E21D   9/06	61	ա	Hoods
E21D   9/06 302 B	3	0	2D054	E21D   9/06	138	ࡼХ֥ա	Movable hoods
E21D   9/06 302 C	3	0	2D054	E21D   9/06	100	α	earth retaining
E21D   9/06 302 D	3	0	2D054	E21D   9/06	81	̥å	Front shutters
E21D   9/06 302 E	3	0	2D054	E21D   9/06	156	å	Grippers
E21D   9/06 302 F	3	0	2D054	E21D   9/06	65	ӥ饤	Stabilisers
E21D   9/06 302 G	3	0	2D054	E21D   9/06	217	ʥå	Drive jacks
E21D   9/06 302 J	3	0	2D054	E21D   9/06	170	ʥåλٻ	Supporting drive jacks
E21D   9/06 302 Z	3	0	2D054	E21D   9/06	126	¾	Others
E21D   9/06 311 \	2	2	2D054	E21D   9/06	10		Driving burials
E21D   9/06 311 A	2	0	2D054	E21D   9/06	1432	ʴɼΤħΤΡʴ³	characterised by drive pipes per se; drive pipe connections
E21D   9/06 311 B	2	0	2D054	E21D   9/06	617	ˤΡ没ˤ	by pulling; by pushing from the middle of tubes
E21D   9/06 311 C	2	0	2D054	E21D   9/06	949	ʤޤϰ	Drive, force fitting devices
E21D   9/06 311 E	2	0	2D054	E21D   9/06	216	̩ˤ	by compaction
E21D   9/06 311 F	2	0	2D054	E21D   9/06	83	إåɤư	vibrating beds
E21D   9/06 311 G	2	0	2D054	E21D   9/06	944	򴹡ű	Replacing, removing
E21D   9/06 311 Z	2	0	2D054	E21D   9/06	1396	¾	Others
E21D   9/06 321 \	2	2	2D054	E21D   9/06	240	å륷	Messel shield
E21D   9/06 331 \	2	2	2D054	E21D   9/06	477	ץ󥷡	Open shield
E21D   9/08  \	2	2	2D054	E21D   9/08	14	﹦ޤںʤղäΡΣ	with additional boring or cutting means [2]
E21D   9/08  J	2	0	2D054	E21D   9/08	144	å	Spiral cutters
E21D   9/08  K	2	0	2D054	E21D   9/08	170	ϤޤϿϷ	Digging by thermal or hydraulic power
E21D   9/08  L	2	0	2D054	E21D   9/08	69	Хåȷ	Digging by buckets
E21D   9/08  M	2	0	2D054	E21D   9/08	162	žإå	Rotary heads
E21D   9/08  N	2	0	2D054	E21D   9/08	66	׷إå	Impact heads
E21D   9/08  P	2	0	2D054	E21D   9/08	588	ߤη	Digging of driving burials
E21D   9/08  Q	2	1	2D054	E21D   9/08	441	塼Ѥ	using of screw augers
E21D   9/08  R	2	1	2D054	E21D   9/08	291	ͽƳ̤Ƥ	drilling guide tunnel in advance
E21D   9/08  Z	2	0	2D054	E21D   9/08	215	¾	Others
E21D   9/087  \	3	3	2D054	E21D   9/087	2	ΤƱں魯롤ž﹦إåɤͭΡʤե롦եޥΣ	with a rotary drilling-head cutting simultaneously the whole cross-section, i.e. full-face machines
E21D   9/087  A	3	0	2D054	E21D   9/087	953	åإå	cutter head
E21D   9/087  B	3	0	2D054	E21D   9/087	417	åưޤϼ	cutter drive or bearing
E21D   9/087  C	3	0	2D054	E21D   9/087	959	ååȡåӥå	cutter slit; cutter bit
E21D   9/087  D	3	0	2D054	E21D   9/087	69	ɥХå	drum bucket
E21D   9/087  E	3	0	2D054	E21D   9/087	119	å	cutter seal
E21D   9/087  F	3	0	2D054	E21D   9/087	429	Хå	over cutter
E21D   9/087  Z	3	0	2D054	E21D   9/087	1065	¾	Others
E21D   9/093  \	2	2	2D054	E21D   9/093	10	ʤ륷ɤΣ	Control of the driving shield
E21D   9/093  A	2	0	2D054	E21D   9/093	5	Ūʥɤ	shield control in general
E21D   9/093  B	2	1	2D054	E21D   9/093	749	Ѱ̤¬ޤϸ	measurement or detection of disposition
E21D   9/093  C	2	1	2D054	E21D   9/093	497		direction control
E21D   9/093  D	2	1	2D054	E21D   9/093	307	֤λܹ	construction of curve
E21D   9/093  E	2	1	2D054	E21D   9/093	210	ڰ	detection of earth pressure
E21D   9/093  F	2	1	2D054	E21D   9/093	456	ڱΤޤɻ	detection or prevention of face collapse
E21D   9/093  G	2	1	2D054	E21D   9/093	345	ʥå	shield jack control
E21D   9/093  H	2	0	2D054	E21D   9/093	1108	ߤ	direction control for propulsion and burying
E21D   9/093  J	2	0	2D054	E21D   9/093	128	﹦ޤںʤղäΤμư	automatic control after drilling or cutting means are added
E21D   9/093  Z	2	0	2D054	E21D   9/093	27	¾	Others
E21D   9/10  \	1	1	2D054	E21D   9/10	10	﹦ޤںﵡȤäƺΡʣţģͥ表ιѤƱͤεţãιѥԥåţãˡΣ	Making by using boring or cutting machines (E21D 9/08 takes precedence; similar machines for mining E21C 27/20; mining picks E21C 35/18) [3]
E21D   9/10  G	1	0	2D054	E21D   9/10	331	žإå	Rotary heads
E21D   9/10  H	1	0	2D054	E21D   9/10	108	׷إå	Impact heads
E21D   9/10  J	1	0	2D054	E21D   9/10	35	Хå	Buckets
E21D   9/10  K	1	0	2D054	E21D   9/10	220	饫å	Roller cutters
E21D   9/10  L	1	0	2D054	E21D   9/10	116	졼ⰵ塤Ǯޤʤˤ	by lasers, high-pressure water, heating or chemicals
E21D   9/10  Z	1	0	2D054	E21D   9/10	363	¾	Others
E21D   9/11  \	2	2	2D054	E21D   9/11	6	ΤƱں魯롤ž﹦إåɤͭΡʤե롦եޥΣ	with a rotary drilling-head cutting simultaneously the whole cross-section, i.e. full-face machines
E21D   9/11  A	2	0	2D054	E21D   9/11	111	ȴ󥰥å	no core; ring cut
E21D   9/11  B	2	0	2D054	E21D   9/11	32	ޥ	wall meyer
E21D   9/11  C	2	0	2D054	E21D   9/11	8	߲	hanging type
E21D   9/11  D	2	0	2D054	E21D   9/11	139	å	gripper
E21D   9/11  E	2	0	2D054	E21D   9/11	148	Ѱ̤¬ꡨ	measuring displacement
E21D   9/11  Z	2	0	2D054	E21D   9/11	374	¾	Others
E21D   9/12  \	1	1	2D054	E21D   9/12	23	ʪޤϷڤΰޤϱ֡Ȥޤѹϲα£ţƣˡΣ	Devices for removing or hauling away excavated material or spoil; Working or loading platforms (underground transport E21F 13/00) [2]
E21D   9/12  A	1	0	2D054	E21D   9/12	270	ɤӿ߰ʳ	Shield, removing soil excluding driving burial
E21D   9/12  B	1	1	2D054	E21D   9/12	250	٥ȡ󥳥٥	Belts, chain conveyors
E21D   9/12  C	1	1	2D054	E21D   9/12	59	塼٥	Screw conveyors
E21D   9/12  D	1	0	2D054	E21D   9/12	452	ɤ	Removing shield soil
E21D   9/12  E	1	1	2D054	E21D   9/12	110	ե	Rotary feeders
E21D   9/12  F	1	1	2D054	E21D   9/12	277	Ф	Extruding, pressure feed
E21D   9/12  H	1	1	2D054	E21D   9/12	122	٥ȡ󥳥٥	Belts, chain conveyors
E21D   9/12  J	1	1	2D054	E21D   9/12	1011	塼٥	Screw conveyors
E21D   9/12  K	1	1	2D054	E21D   9/12	250	㪤˺	Crushing rocks
E21D   9/12  L	1	1	2D054	E21D   9/12	186	ʬΥ	Separating sands and rocks
E21D   9/12  M	1	0	2D054	E21D   9/12	388	ߤ	Removing soil by driving burials
E21D   9/12  Z	1	0	2D054	E21D   9/12	162	¾	Others
E21D   9/13  \	2	2	2D054	E21D   9/13	0	ΤޤϵΤˤ뱿¼ʤȤΡΣ	using hydraulic or pneumatic conveying means
E21D   9/13  A	2	0	2D054	E21D   9/13	488	ɤť	muddy water from shield
E21D   9/13  B	2	1	2D054	E21D   9/13	318	ťޤ	administration or control of muddy water
E21D   9/13  C	2	1	2D054	E21D   9/13	289	ť	treatment of muddy wqater
E21D   9/13  D	2	0	2D054	E21D   9/13	121	ɤڤζ͢	air transportation of excavation from shield
E21D   9/13  Z	2	0	2D054	E21D   9/13	10	¾	Others
E21D   9/14  \	1	1	2D054	E21D   9/14	320	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 [3]
E21D  11/00  \	0	0	2D155	E21D  11/00	59	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 (E21D 15/00-E21D 23/00 take precedence; specially for shafts E21D 5/00; lining pressure water galleries, linings therefor E02B 9/06) [2]
E21D  11/00  A	0	0	2D155	E21D  11/00	1390	΢	Back filling
E21D  11/00  B	0	0	2D155	E21D  11/00	693	ơݥ륷ݥ	Tail seals
E21D  11/00  Z	0	0	2D155	E21D  11/00	1004	¾Τ	Others
E21D  11/02  \	1	1	2D155	E21D  11/02	4	ںˤ饤˥󥰡Σ	Lining predominantly with wood [2]
E21D  11/03  \	2	2	2D155	E21D  11/03	0	ںդѤ	using timber-setting machines
E21D  11/04  \	1	1	2D155	E21D  11/04	136	ˤ饤˥󥰡ʣţģţģͥˡΣ	Lining with building materials (E21D 11/02, E21D 11/14 take precedence) [2]
E21D  11/04  A	1	0	2D155	E21D  11/04	1678	ȥͥѼ	Tunnel fittings
E21D  11/04  Z	1	0	2D155	E21D  11/04	1571	¾Τ	Others
E21D  11/05  \	2	2	2D155	E21D  11/05	3	ˤ	using compressible insertions
E21D  11/06  \	2	2	2D155	E21D  11/06	9	󥬤ˤ	with bricks
E21D  11/07  \	3	3	2D155	E21D  11/07	0	ѤߵѤ	using brick-laying machines
E21D  11/08  \	2	2	2D155	E21D  11/08	3013	󥯥꡼ȥ֤ˤ	with preformed concrete slabs
E21D  11/10  \	2	2	2D155	E21D  11/10	110	ǤΥ󥯥꡼ǤˤΡΤΥåޤϤ¾	with concrete cast <u>in situ</u>; Shuttering or other equipment adapted therefor
E21D  11/10  A	2	0	2D155	E21D  11/10	780	ȥͥ뷿	Tunnel forms
E21D  11/10  B	2	1	2D155	E21D  11/10	565	饤ɼ	sliding type
E21D  11/10  C	2	0	2D155	E21D  11/10	713	ä˥ݥɤ˴ط	Related to shields in particular
E21D  11/10  D	2	0	2D155	E21D  11/10	1367	ȥͥդ	Tunnel blow-by
E21D  11/10  Z	2	0	2D155	E21D  11/10	1319	¾Τ	Others
E21D  11/12  \	2	2	2D155	E21D  11/12	42	ΰŪʻݡ°	Temporary supports for use during building; Accessories
E21D  11/14  \	1	1	2D155	E21D  11/14	924	˶°ˤ饤˥󥰡Σ	Lining predominantly with metal [2]
E21D  11/15  \	2	2	2D155	E21D  11/15	124	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 E21D 11/38) [2]
E21D  11/18  \	2	2	2D155	E21D  11/18	300		Arch members
E21D  11/20  \	3	3	2D155	E21D  11/20	39	ü̷ĤΡ㡥ȷ	Special cross-sections, e.g. corrugated
E21D  11/22  \	3	3	2D155	E21D  11/22	60	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
E21D  11/24  \	3	3	2D155	E21D  11/24	48	֤ΥʥåѤޤϥ	Knuckle joints or links between arch members
E21D  11/26  \	3	3	2D155	E21D  11/26	0	Ϣ뤹륷塼	Shoes for connecting arch members to longitudinal struts
E21D  11/28  \	2	2	2D155	E21D  11/28	23		Longitudinal struts
E21D  11/30  \	2	2	2D155	E21D  11/30	9	㤤δʻѣţģ	Bases for lower arch members (for props E21D 15/54)
E21D  11/34  \	2	2	2D155	E21D  11/34	3	ľȿʿĺ۸ȤϢʻΰüåףţģ	Joints between vertical props and horizontal top bars (end caps forming part of the props E21D 15/54)
E21D  11/36  \	2	2	2D155	E21D  11/36	43	Ե§̷ĥȥͥޤϹƻΤ˺줿饤˥󥰤ޤϻݡΣ	Linings or supports specially shaped for tunnels or galleries of irregular cross-section [2,3]
E21D  11/38  \	1	1	2D155	E21D  11/38	64	ɿɿ̣ţģˡǮɲŵʷ۹¤Ѱ̣ţ£ˡΣ	Waterproofing (in general E02D 31/00); Heat insulating; Soundproofing; Electric insulating (for building constructions in general E04B 1/62) [2]
E21D  11/38  A	1	0	2D155	E21D  11/38	1091	߿奷ݥȤˤ	by stop sheets
E21D  11/38  B	1	0	2D155	E21D  11/38	228	Ǯɲŵ	Heat insulation, sound-proofing, electrical insulation
E21D  11/38  Z	1	0	2D155	E21D  11/38	1288	¾Τ	Others
E21D  11/40  \	1	1	2D155	E21D  11/40	63	ȥͥޤϹƻѥ饤˥󥰤Υ˥åȤ谷ޤ֤뤿äŬѤ֡Σ	Devices or apparatus specially adapted for handling or placing units of linings for tunnels or galleries [2]
E21D  11/40  A	1	0	2D155	E21D  11/40	282	ݹ˴ؤ	Related to mine timbering
E21D  11/40  B	1	0	2D155	E21D  11/40	1340	Ȥ˴ؤ	Related to segments
E21D  11/40  C	1	1	2D155	E21D  11/40	495	Ȱ	Segment transfer device
E21D  11/40  Z	1	0	2D155	E21D  11/40	317	¾Τ	Others
E21D  13/00  \	0	0	2D155	E21D  13/00	226	ϲ֡ιˡޤ֡ʥ饤˥󥰣ţģˡΣ	Large underground chambers; Methods or apparatus for making them (lining E21D 11/00) [6]
E21D  13/02  \	1	1	2D155	E21D  13/02	582	ˡ	Methods
E21D  13/04  \	1	1	2D155	E21D  13/04	75	ü֡°	Special equipment; Accessories
E21D  15/00  \	0	0	2D155	E21D  15/00	544	ʷѣţǣˡѤ	Props (in the building art E04G 25/00); Chocks
E21D  15/02  \	1	1	2D155	E21D  15/02	2	һǤʤ	Non-telescopic props
E21D  15/04  \	2	2	2D155	E21D  15/04	0	Ĥα߿ϢˤäϢ뤵줿ʬ	with wooden prop parts joined by double conical connectors
E21D  15/06  \	2	2	2D155	E21D  15/06	0	ĴǤޤϤǤʤ֤ˤäϢ뤵줿ʬĤ	with parts joined by a lock, with or without slight axial adjustability
E21D  15/08  \	3	3	2D155	E21D  15/08	0	ȥ֤ˤϢʬĤ	with toggle joint connection
E21D  15/10  \	3	3	2D155	E21D  15/10	0	ߤåޤϥԥϢʬĤ	with dog-clutch or pin-and-hole connection
E21D  15/12  \	3	3	2D155	E21D  15/12	0	Ƭޤϵ᤯˺֤Ĥ	with locking devices located near head or foot
E21D  15/14  \	1	1	2D155	E21D  15/14	3	һʬꤹŪʣƣ¡	Telescopic props (general means for fixing telescopic parts together F16B)
E21D  15/15  \	2	2	2D155	E21D  15/15	0	οɤʡ¤Ĥ	Means counteracting entry of dirt; Built-in cleaning devices
E21D  15/16  \	2	2	2D155	E21D  15/16	0	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
E21D  15/18  \	3	3	2D155	E21D  15/18	1	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
E21D  15/20  \	3	3	2D155	E21D  15/20	1	ֳ֤򤪤ߤåȤλΥåޤΤΤ˷ߤޡԥ󡤲ޤΤΤĤ	with pawl, pin, cross-piece, or the like engaging with ratchet teeth, notches, holes, or the like spaced apart at intervals
E21D  15/22  \	3	3	2D155	E21D  15/22	0	簵ˤޤ줿ꡤʵѷꤹԥ󡤲ޤΤΤʬĤ	with member, pin, cross-piece, or the like ruptured, sheared through, or permanently deformed upon excessive pressure
E21D  15/24  \	3	3	2D155	E21D  15/24	2	ͤȥʥåȡåȥޤϤĤ	with axial screw-and-nut, rack-and-worm, or like mechanism
E21D  15/26  \	4	4	2D155	E21D  15/26	0	ͤ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
E21D  15/28  \	2	2	2D155	E21D  15/28	0	໤ޤϤĤߤˤꡤߤݻ礦ʬĤΡ㡥ӤѤ	with parts held relatively to each other by friction or gripping, e.g. using wedges
E21D  15/30  \	3	3	2D155	E21D  15/30	0	ήΤޤϵήΡ㡥ࡤΤȤƲä밵ϤˤĤ̤ꤹ֤Ĥ	by means expanded or contracted by pressure applied through the medium of a fluid or quasi-fluid, e.g. rubber
E21D  15/32  \	3	3	2D155	E21D  15/32	0	ѷǤ륫顼ˤ	by a deformable collar
E21D  15/34  \	3	3	2D155	E21D  15/34	0	ư塤ޤΤ	by axially-moving balls, rollers, or the like
E21D  15/36  \	3	3	2D155	E21D  15/36	0	ޤξʬϤ෹ǽʥ顼ˤ	by a tiltable collar surrounding one or both parts
E21D  15/38  \	3	3	2D155	E21D  15/38	0	ޤϲʬĹʬ䤵줿ʬĤΡ㡥	with longitudinally-divided upper or lower prop parts, e.g. interfitting laminations
E21D  15/40  \	3	3	2D155	E21D  15/40	0	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
E21D  15/42  \	3	3	2D155	E21D  15/42	0	໤Ѥ˱ƶ򤪤ܤüʬĤ	with special parts to influence the friction
E21D  15/43  \	3	3	2D155	E21D  15/43	0	Ӥκवĥ饤˥󥰤ޤϤĤʪţģ	Details of wedges (friction linings or pads E21D 15/42)
E21D  15/44  \	2	2	2D155	E21D  15/44	158	尵ޤϿ尵	Hydraulic, pneumatic, or hydraulic-pneumatic props
E21D  15/45  \	3	3	2D155	E21D  15/45	2	ήΤĲϩĤΡ㡥ݥפޤϥ졼¢	having closed fluid system, e.g. with built-in pumps or accumulators
E21D  15/46  \	2	2	2D155	E21D  15/46	0	ٽ¬֤ĤΡ֤Ĥ	with load-measuring devices; with alarm devices
E21D  15/48  \	1	1	2D155	E21D  15/48	0	Ѥߤޤʪ	Chocks or the like
E21D  15/50  \	1	1	2D155	E21D  15/50	6	ιʬޤϺʣţģţģţģͥ	Component parts or details of props (E21D 15/43, E21D 15/58, E21D 15/60 take precedence)
E21D  15/502  \	2	2	2D155	E21D  15/502	2	ħΤΡ㡥̷ͭĤ	Prop bodies characterised by their shape, e.g. of specified cross-section
E21D  15/51  \	2	2	2D155	E21D  15/51	2	尵ޤϿ尵ݶͭΤΡ㡥ۤ	specially adapted to hydraulic, pneumatic, or hydraulic-pneumatic props, e.g. arrangements of relief valves
E21D  15/52  \	2	2	2D155	E21D  15/52	11	ξޤϲ֤ߤ	Extensible units located above or below standard props
E21D  15/54  \	2	2	2D155	E21D  15/54	9	üκԲǽʤΣţģ	Details of the ends of props (for permitting step-by-step movement E21D 23/06)
E21D  15/55  \	3	3	2D155	E21D  15/55	0	Ƭ	of prop heads
E21D  15/56  \	2	2	2D155	E21D  15/56	0	һκκ	Details of locks of telescopic props
E21D  15/58  \	1	1	2D155	E21D  15/58	7	դ	Devices for setting props
E21D  15/582  \	2	2	2D155	E21D  15/582	0	ŪѤΤ	for mechanical props
E21D  15/59  \	2	2	2D155	E21D  15/59	1	尵ޤϿ尵ݶѤΤ	for hydraulic, pneumatic, or hydraulic-pneumatic props
E21D  15/60  \	1	1	2D155	E21D  15/60	0	ޤѤߤű	Devices for withdrawing props or chocks
E21D  17/00  \	0	0	2D155	E21D  17/00	156	ŷ׻ѥå	Caps for supporting mine roofs
E21D  17/01  \	1	1	2D155	E21D  17/01	8	åڤηħΤΡ㡥̷ͭĤ	characterised by the shape of the cap, e.g. of specified cross-section
E21D  17/02  \	1	1	2D155	E21D  17/02	0	һ¤ޤƱλ	Cantilever extension or similar protecting devices
E21D  17/022  \	2	2	2D155	E21D  17/022	0	ŷ׻ݤȤΩƤ֤βݤѤ	Auxiliary devices for temporary support of roof-supporting beams whilst assembling
E21D  17/03  \	2	2	2D155	E21D  17/03	0	ŷ׻ѥ֥饱å	Brackets for roof-supporting bars
E21D  17/04  \	2	2	2D155	E21D  17/04	1	ĹɹˡѤ	for use in longwall working
E21D  17/05  \	3	3	2D155	E21D  17/05	0	尵ˤ꿭ĥ	hydraulically extensible
E21D  17/054  \	3	3	2D155	E21D  17/054	0	尵ˤž	hydraulically pivotable
E21D  17/06  \	2	2	2D155	E21D  17/06	0	ƻʤѤ	for use in drifting galleries
E21D  17/08  \	2	2	2D155	E21D  17/08	1	Ω줷ʤṳ́뤿ΥåڤηѼ	Cap joints for obtaining a coal-face free of pit-props
E21D  17/082  \	3	3	2D155	E21D  17/082	0	Τ	of sliding type
E21D  17/086  \	3	3	2D155	E21D  17/086	0	Τ	of articulated type
E21D  17/10  \	1	1	2D155	E21D  17/10	0	αĤޤϻʤǡڱѻƬ˷礹뤿Υåڤκα	Details of mine caps for engaging the tops of pit-props, with or without retaining-plates; Retaining-plates
E21D  19/00  \	0	0	2D155	E21D  19/00	54	ȶ֤ΰŪݸСʣţģţģͥˡΣ	Provisional protective covers for working space (E21D 9/06, E21D 23/00 take precedence) [3]
E21D  19/02  \	1	1	2D155	E21D  19/02	13	ĹɹˡѤ	for use in longwall working
E21D  19/04  \	1	1	2D155	E21D  19/04	91	ƻʤѤ	for use in drifting galleries
E21D  19/06  \	1	1	2D155	E21D  19/06	11	Сμ֡Σ	Arrangements for applying the covers [6]
E21D  20/00  \	0	0	2D006	E21D  20/00	26	󥫡ܥȤοդΩƹȥͥޤϹƻѥ󥫡ܥȣţģùäŬ礷¤Ǥޤϳɤ夵뤿μʣţģ٥ޤϸΤɤޤϤΤΤߤ줿Ƥ˼դ뤽¾֣ƣ£ˡΣ	Setting anchoring-bolts (anchoring bolts for shafts, tunnels or galleries E21D 21/00; means for anchoring structural elements or bulkheads specially adapted to foundation engineering E02D 5/74; dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose F16B 13/00) [5]
E21D  20/00  A	0	0	2D006	E21D  20/00	124	ĥܥȤεŪ	Mechanically fixing lock bolts
E21D  20/00  B	0	1	2D006	E21D  20/00	88	٥롢ĥˤ	by brace blocks or wedges
E21D  20/00  C	0	1	2D006	E21D  20/00	60	饦Ȥȼ	involving grouts
E21D  20/00  D	0	1	2D006	E21D  20/00	5	Ȥ	using of gunpowder
E21D  20/00  E	0	0	2D006	E21D  20/00	82	ĥܥȤΥ饦Ȥˤ	Fixing lock bolts with grout
E21D  20/00  F	0	1	2D006	E21D  20/00	157	ĥܥȤι¤	Lock bolt structures
E21D  20/00  G	0	2	2D006	E21D  20/00	172	ѥץ	Pipe anchors
E21D  20/00  H	0	2	2D006	E21D  20/00	85	ݥ֥륢	cable anchors
E21D  20/00  J	0	1	2D006	E21D  20/00	110	ĥܥȤκʤ	Lock bolt materials, coatings
E21D  20/00  K	0	1	2D006	E21D  20/00	121	ĥܥ°̥󥿥饤	Lock bolt accessories (centerisers)
E21D  20/00  L	0	1	2D006	E21D  20/00	278	饦ˤ	Fixing by injecting grouts
E21D  20/00  M	0	2	2D006	E21D  20/00	98	ѥפˤ	by injecting pipes
E21D  20/00  N	0	2	2D006	E21D  20/00	155	ѥĥ	Packers
E21D  20/00  P	0	1	2D006	E21D  20/00	67	ץˤ	Fixing by capsules
E21D  20/00  Q	0	2	2D006	E21D  20/00	119	ͭץ	Organic capsules
E21D  20/00  R	0	3	2D006	E21D  20/00	54	ʬ	Constituents
E21D  20/00  S	0	2	2D006	E21D  20/00	65	̵ץ	Inorganic capsules
E21D  20/00  T	0	2	2D006	E21D  20/00	17	ץ°	capsule accessories
E21D  20/00  U	0	2	2D006	E21D  20/00	21	ѡݥե	Perforated
E21D  20/00  V	0	0	2D006	E21D  20/00	149		Self-drilling type
E21D  20/00  W	0	0	2D006	E21D  20/00	202	ü̥٥󥰥ץݥ	End processing (bearing plates)
E21D  20/00  X	0	0	2D006	E21D  20/00	151	ĥܥȥޥ	Lock bolt machines
E21D  20/00  Z	0	0	2D006	E21D  20/00	154	¾Τ	Others
E21D  20/02  \	1	1	2D006	E21D  20/02	45	饦ȤĤ	with provisions for grouting
E21D  21/00  \	0	0	2D006	E21D  21/00	718	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 F16B 13/00) [5]
E21D  21/02  \	1	1	2D006	E21D  21/02	15	ĥϻؼʤĤΡĥϻؼΤä߷פͤѤƣ£	having means for indicating tension (screwed connections specially modified for indicating tensile load F16B 31/02)
E21D  23/00  \	0	0	2D155	E21D  23/00	22	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>)
E21D  23/03  \	1	1	2D155	E21D  23/03	23	ȶ֤ޤϻٻؤΤФʪοɤޤ˸뤿ݸʡ㡥ɡͭΡΣ	having protective means, e.g. shields, for preventing or impeding entry of loose material into the working space or support [4]
E21D  23/04  \	1	1	2D155	E21D  23/04	105	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 (E21D 23/14 takes precedence)
E21D  23/06  \	2	2	2D155	E21D  23/06	32	ԻݤͭʥåڤޤϻƬ	Special mine caps or special tops of pit-props for permitting step-by-step movement
E21D  23/08  \	1	1	2D155	E21D  23/08	63	ʵʣţģͥ	Advancing mechanisms (E21D 23/16 takes precedence)
E21D  23/10  \	2	2	2D155	E21D  23/10	3	칽¤ʬΥ֤Ĥ	with advancing devices separate from the supporting construction
E21D  23/12  \	1	1	2D155	E21D  23/12	1	桤㡥ѤΡʣţģͥ	Control, e.g. using remote control (E21D 23/16 takes precedence)
E21D  23/14  \	2	2	2D155	E21D  23/14	0	줬ưŪϢư򤹤Ρ㡥ܤư¾³ư	Effecting automatic sequential movement of supports, e.g. one behind the other
E21D  23/16  \	1	1	2D155	E21D  23/16	99	尵ޤ϶ħ㡥ϩۤޤŬդޤű	Hydraulic or pneumatic features, e.g. circuits, arrangement or adaptation of valves, setting or retracting devices
E21D  23/18  \	2	2	2D155	E21D  23/18	0	ʵ˴ؤ	of advancing mechanisms
E21D  23/20  \	3	3	2D155	E21D  23/20	0	Ϣư򤹤Ρ㡥ܤư¾³ư	for sequential movement, e.g. one behind the other
E21D  23/22  \	3	3	2D155	E21D  23/22	0	åڤȷ礷	incorporated in mine caps
E21D  23/24  \	3	3	2D155	E21D  23/24	0	칽¤ʬΥ֤Ĥ	the advancing mechanisms being separate from the supporting construction
E21D  23/26  \	2	2	2D155	E21D  23/26	1	尵ޤ϶	Hydraulic or pneumatic control
