IPC-Stelle: E21D 20/00 [Version 2017.01]

SymbolTypTitel
ESKFIXED CONSTRUCTIONS
E21USKEARTH OR ROCK DRILLING; MINING
E21KLEARTH OR ROCK DRILLING; MINING
E21DUKLSHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS (soil-conditioning or soil-stabilising materials C09K 17/00; cutting machines for mining or quarrying E21C; safety devices, transport, rescue, ventilation or drainage E21F) [2, 6]
E21D 1/00ZWShafts
E21D 1/00HGRSinking shafts [1, 2006.01]
E21D 1/02UGR1
.by hand [1, 2006.01]
E21D 1/03UGR1
.mechanically (E21D 1/08 takes precedence) [1, 2006.01]
E21D 1/04UGR2
. .with grabs [1, 2006.01]
E21D 1/06UGR2
. .with shaft-boring cutters (drilling machines E21B) [1, 2006.01]
E21D 1/08UGR1
.while moving the lining downwards [1, 2006.01]
E21D 1/10UGR1
.Preparation of the ground [1, 2006.01]
E21D 1/12UGR2
. .by freezing [1, 2006.01]
E21D 1/14UGR3
. . .Freezing apparatus [1, 2006.01]
E21D 1/16UGR2
. .by petrification (grouting anchoring-bolts E21D 20/02) [1, 2006.01]
E21D 3/00HGRRaising shafts, i.e. working upwards from the bottom [1, 2006.01]
E21D 5/00HGRLining shafts; Linings therefor (E21D 11/00 takes precedence) [1, 3, 2006.01]
E21D 5/01UGR1
.using prefabricated lining lowered into a hole filled with liquid or viscous mass [1, 2006.01]
E21D 5/012UGR1
.Use of fluid-tight or anti-friction material on outside of, or between, lining layers [1, 2006.01]
E21D 5/016UGR1
.Bearer curbs [1, 2006.01]
E21D 5/02UGR1
.with wood (E21D 5/01, E21D 5/012, E21D 5/016 take precedence) [1, 2006.01]
E21D 5/04UGR1
.with brick, concrete, stone, or similar building materials (E21D 5/01, E21D 5/012, E21D 5/016 take precedence) [1, 2006.01]
E21D 5/06UGR1
.with iron or steel (E21D 5/01, E21D 5/012, E21D 5/016 take precedence) [1, 2006.01]
E21D 5/08UGR2
. .in the form of profiled parts [1, 2006.01]
E21D 5/10UGR2
. .in the form of tubbing [1, 2006.01]
E21D 5/11UGR1
.with combinations of different materials, e.g. wood, metal, concrete (E21D 5/01, E21D 5/012, E21D 5/016 take precedence) [1, 2006.01]
E21D 5/12UGR1
.Accessories for making shaft linings, e.g. suspended cradles, shutterings [1, 2006.01]
E21D 7/00HGRShaft equipment, e.g. timbering within the shaft [1, 2006.01]
E21D 7/02UGR1
.Arrangement of guides for cages in shafts; Connection of guides for cages to shaft walls (guideways or guides for elevators B66B 7/02) [1, 2006.01]
E21D 8/00HGRShafts not provided for in groups E21D 1/00-E21D 7/00 [2006.01]
E21D 9/00ZWTunnels; Galleries; Large underground chambers; Linings therefor [3, 6]
E21D 9/00HGRTunnels or galleries, with or without linings; Methods or apparatus for making thereof (linings per seE21D 11/00; galleries protecting against falling rocks or avalanches E01F 7/04); Layout of tunnels or galleries [1, 3, 2006.01]
E21D 9/01UGR1
.Methods or apparatus for enlarging or restoring the cross-section of tunnels, e.g. by restoring the floor to its original level [7, 2006.01]
E21D 9/02UGR1
.Driving inclined tunnels or galleries [1, 3, 2006.01]
E21D 9/04UGR1
.Driving tunnels or galleries through loose materials; Apparatus therefor not otherwise provided for [1, 2006.01]
E21D 9/06UGR1
.Making by using a driving shield [2, 2006.01]
E21D 9/08UGR2
. .with additional boring or cutting means [2, 2006.01]
E21D 9/087UGR3
. . .with a rotary drilling-head cutting simultaneously the whole cross-section, i.e. full-face machines [7, 2006.01]
E21D 9/093UGR2
. .Control of the driving shield [7, 2006.01]
E21D 9/10UGR1
.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, 2006.01]
E21D 9/11UGR2
. .with a rotary drilling-head cutting simultaneously the whole cross-section, i.e. full-face machines [7, 2006.01]
E21D 9/12UGR1
.Devices for removing or hauling away excavated material or spoil; Working or loading platforms (underground transport E21F 13/00) [2, 2006.01]
E21D 9/13UGR2
. .using hydraulic or pneumatic conveying means [7, 2006.01]
E21D 9/14UGR1
.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, 2006.01]
E21D 11/00HGRLining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, 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) [1, 2, 2006.01]
E21D 11/02UGR1
.Lining predominantly with wood [1, 2, 2006.01]
E21D 11/03UGR2
. .using timber-setting machines [1, 2006.01]
E21D 11/04UGR1
.Lining with building materials (E21D 11/02, E21D 11/14 take precedence) [1, 2, 2006.01]
E21D 11/05UGR2
. .using compressible insertions [1, 2006.01]
E21D 11/06UGR2
. .with bricks [1, 2006.01]
E21D 11/07UGR3
. . .using brick-laying machines [1, 2006.01]
E21D 11/08UGR2
. .with preformed concrete slabs [1, 2006.01]
E21D 11/10UGR2
. .with concrete cast in situ; Shuttering or other equipment adapted therefor [1, 2006.01]
E21D 11/12UGR2
. .Temporary supports for use during building; Accessories [1, 2006.01]
E21D 11/14UGR1
.Lining predominantly with metal [1, 2, 2006.01]
E21D 11/15UGR2
. .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, 2006.01]
E21D 11/18UGR2
. .Arch members [1, 2006.01]
E21D 11/20UGR3
. . .Special cross-sections, e.g. corrugated [1, 2006.01]
E21D 11/22UGR3
. . .Clamps or other yieldable means for interconnecting adjacent arch members either rigidly, or allowing arch member parts to slide when subjected to excessive pressure [1, 2006.01]
E21D 11/24UGR3
. . .Knuckle joints or links between arch members [1, 2006.01]
E21D 11/26UGR3
. . .Shoes for connecting arch members to longitudinal struts [1, 2006.01]
E21D 11/28UGR2
. .Longitudinal struts [1, 2006.01]
E21D 11/30UGR2
. .Bases for lower arch members (for props E21D 15/54) [1, 2006.01]
E21D 11/34UGR2
. .Joints between vertical props and horizontal top bars (end caps forming part of the props E21D 15/54) [1, 2006.01]
E21D 11/36UGR2
. .Linings or supports specially shaped for tunnels or galleries of irregular cross-section [2, 3, 2006.01]
E21D 11/38UGR1
.Waterproofing (in general E02D 31/00); Heat insulating; Soundproofing; Electric insulating (for building constructions in general E04B 1/62) [2, 2006.01]
E21D 11/40UGR1
.Devices or apparatus specially adapted for handling or placing units of linings for tunnels or galleries [2, 2006.01]
E21D 13/00HGRLarge underground chambers; Methods or apparatus for making them (lining E21D 11/00) [1, 6, 2006.01]
E21D 13/02UGR1
.Methods [1, 2006.01]
E21D 13/04UGR1
.Special equipment; Accessories [1, 2006.01]
E21D 15/00ZWWorking-face supports
E21D 15/00HGRProps (in the building art E04G 25/00); Chocks [1, 2006.01]
E21D 15/02UGR1
.Non-telescopic props [1, 2006.01]
E21D 15/04UGR2
. .with wooden prop parts joined by double conical connectors [1, 2006.01]
E21D 15/06UGR2
. .with parts joined by a lock, with or without slight axial adjustability [1, 2006.01]
E21D 15/08UGR3
. . .with toggle joint connection [1, 2006.01]
E21D 15/10UGR3
. . .with dog-clutch or pin-and-hole connection [1, 2006.01]
E21D 15/12UGR3
. . .with locking devices located near head or foot [1, 2006.01]
E21D 15/14UGR1
.Telescopic props (general means for fixing telescopic parts together F16B) [1, 2006.01]
E21D 15/15UGR2
. .Means counteracting entry of dirt; Built-in cleaning devices [1, 2006.01]
E21D 15/16UGR2
. .with parts held together by positive means, with or without relative sliding movement when the prop is subject to excessive pressure [1, 2006.01]
E21D 15/18UGR3
. . .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 [1, 2006.01]
E21D 15/20UGR3
. . .with pawl, pin, cross-piece, or the like engaging with ratchet teeth, notches, holes, or the like spaced apart at intervals [1, 2006.01]
E21D 15/22UGR3
. . .with member, pin, cross-piece, or the like ruptured, sheared through, or permanently deformed upon excessive pressure [1, 2006.01]
E21D 15/24UGR3
. . .with axial screw-and-nut, rack-and-worm, or like mechanism [1, 2006.01]
E21D 15/26UGR4
. . . .with screw, worm, or the like not self-locking but normally prevented from rotation by friction members which slip upon excessive pressure [1, 2006.01]
E21D 15/28UGR2
. .with parts held relatively to each other by friction or gripping, e.g. using wedges [1, 2006.01]
E21D 15/30UGR3
. . .by means expanded or contracted by pressure applied through the medium of a fluid or quasi-fluid, e.g. rubber [1, 2006.01]
E21D 15/32UGR3
. . .by a deformable collar [1, 2006.01]
E21D 15/34UGR3
. . .by axially-moving balls, rollers, or the like [1, 2006.01]
E21D 15/36UGR3
. . .by a tiltable collar surrounding one or both parts [1, 2006.01]
E21D 15/38UGR3
. . .with longitudinally-divided upper or lower prop parts, e.g. interfitting laminations [1, 2006.01]
E21D 15/40UGR3
. . .Collar or other support gripped to one or both parts by toggle-action, cam, or other member pivoted or similarly mounted [1, 2006.01]
E21D 15/42UGR3
. . .with special parts to influence the friction [1, 2006.01]
E21D 15/43UGR3
. . .Details of wedges (friction linings or pads E21D 15/42) [1, 2006.01]
E21D 15/44UGR2
. .Hydraulic, pneumatic, or hydraulic-pneumatic props [1, 2006.01]
E21D 15/45UGR3
. . .having closed fluid system, e.g. with built-in pumps or accumulators [1, 2006.01]
E21D 15/46UGR2
. .with load-measuring devices; with alarm devices [1, 2006.01]
E21D 15/48UGR1
.Chocks or the like [1, 2006.01]
E21D 15/50UGR1
.Component parts or details of props (E21D 15/43, E21D 15/58, E21D 15/60 take precedence) [1, 2006.01]
E21D 15/502UGR2
. .Prop bodies characterised by their shape, e.g. of specified cross-section [1, 2006.01]
E21D 15/51UGR2
. .specially adapted to hydraulic, pneumatic, or hydraulic-pneumatic props, e.g. arrangements of relief valves [1, 2006.01]
E21D 15/52UGR2
. .Extensible units located above or below standard props [1, 2006.01]
E21D 15/54UGR2
. .Details of the ends of props (for permitting step-by-step movement E21D 23/06) [1, 2006.01]
E21D 15/55UGR3
. . .of prop heads [1, 2006.01]
E21D 15/56UGR2
. .Details of locks of telescopic props [1, 2006.01]
E21D 15/58UGR1
.Devices for setting props [1, 2006.01]
E21D 15/582UGR2
. .for mechanical props [1, 2006.01]
E21D 15/59UGR2
. .for hydraulic, pneumatic, or hydraulic-pneumatic props [1, 2006.01]
E21D 15/60UGR1
.Devices for withdrawing props or chocks [1, 2006.01]
E21D 17/00HGRCaps for supporting mine roofs [1, 2006.01]
E21D 17/01UGR1
.characterised by the shape of the cap, e.g. of specified cross-section [1, 2006.01]
E21D 17/02UGR1
.Cantilever extension or similar protecting devices [1, 2006.01]
E21D 17/022UGR2
. .Auxiliary devices for temporary support of roof-supporting beams whilst assembling [1, 2006.01]
E21D 17/03UGR2
. .Brackets for roof-supporting bars [1, 2006.01]
E21D 17/04UGR2
. .for use in longwall working [1, 2006.01]
E21D 17/05UGR3
. . .hydraulically extensible [1, 2006.01]
E21D 17/054UGR3
. . .hydraulically pivotable [1, 2006.01]
E21D 17/06UGR2
. .for use in drifting galleries [1, 2006.01]
E21D 17/08UGR2
. .Cap joints for obtaining a coal-face free of pit-props [1, 2006.01]
E21D 17/082UGR3
. . .of sliding type [1, 2006.01]
E21D 17/086UGR3
. . .of articulated type [1, 2006.01]
E21D 17/10UGR1
.Details of mine caps for engaging the tops of pit-props, with or without retaining-plates; Retaining-plates [1, 2006.01]
E21D 19/00HGRProvisional protective covers for working space (E21D 9/06, E21D 23/00 take precedence) [1, 3, 2006.01]
E21D 19/02UGR1
.for use in longwall working [1, 2006.01]
E21D 19/04UGR1
.for use in drifting galleries [1, 2006.01]
E21D 19/06UGR1
.Arrangements for applying the covers [6, 2006.01]
E21D 20/00HGRSetting 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) [1, 5, 2006.01]
E21D 20/02UGR1
.with provisions for grouting [1, 2006.01]
E21D 21/00HGRAnchoring-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) [1, 5, 2006.01]
E21D 21/02UGR1
.having means for indicating tension (screwed connections specially modified for indicating tensile load F16B 31/02) [1, 2006.01]
E21D 23/00HGRMine 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, per seE21F 13/08) [1, 2006.01]
E21D 23/03UGR1
.having protective means, e.g. shields, for preventing or impeding entry of loose material into the working space or support [4, 2006.01]
E21D 23/04UGR1
.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) [1, 2006.01]
E21D 23/06UGR2
. .Special mine caps or special tops of pit-props for permitting step-by-step movement [1, 2006.01]
E21D 23/08UGR1
.Advancing mechanisms (E21D 23/16 takes precedence) [1, 2006.01]
E21D 23/10UGR2
. .with advancing devices separate from the supporting construction [1, 2006.01]
E21D 23/12UGR1
.Control, e.g. using remote control (E21D 23/16 takes precedence) [1, 2006.01]
E21D 23/14UGR2
. .Effecting automatic sequential movement of supports, e.g. one behind the other [1, 2006.01]
E21D 23/16UGR1
.Hydraulic or pneumatic features, e.g. circuits, arrangement or adaptation of valves, setting or retracting devices [1, 2006.01]
E21D 23/18UGR2
. .of advancing mechanisms [1, 2006.01]
E21D 23/20UGR3
. . .for sequential movement, e.g. one behind the other [1, 2006.01]
E21D 23/22UGR3
. . .incorporated in mine caps [1, 2006.01]
E21D 23/24UGR3
. . .the advancing mechanisms being separate from the supporting construction [1, 2006.01]
E21D 23/26UGR2
. .Hydraulic or pneumatic control [1, 2006.01]