| IPC 6 English version | E21D-E21D02326 |
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SECTION E | – FIXED CONSTRUCTIONS |
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EARTH DRILLING; MINING |
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SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS (soil conditioning or soil stabilising materials C 09 K 17/00; drilling or cutting machines for mining or quarrying E 21 C; safety devices, transport, rescue, ventilation or drainage E 21 F) |
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Notes |
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(1) | This subclass covers methods or apparatus for making or lining tunnels, galleries or large underground chambers, using underground mining methods only, i.e. not involving disturbance of the ground surface. [6] |
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(2) | This subclass does not cover underground spaces made by foundation engineering, i.e. involving disturbance of the ground surface, which are covered by subclass E 02 D. [6] |
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Shafts |
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1/ | 00 | Sinking shafts |
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1/ | 02 | . | by hand |
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1/ | 03 | . | mechanically (E 21 D 1/08 takes precedence) |
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1/ | 04 | . . | with grabs |
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1/ | 06 | . . | with shaft-boring cutters (drilling machines E 21 B, E 21 C) |
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1/ | 08 | . | while moving the lining downwards |
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1/ | 10 | . | Preparation of the ground |
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1/ | 12 | . . | by freezing |
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1/ | 14 | . . . | Freezing apparatus |
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1/ | 16 | . . | by petrification (grouting anchoring-bolts E 21 D 20/02) |
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3/ | 00 | Raising shafts, i.e. working upwards from the bottom |
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5/ | 00 | Lining shafts; Linings therefor (E 21 D 11/00 takes precedence) |
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5/ | 01 | . | using prefabricated lining lowered into a hole filled with liquid or viscous mass |
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5/ | 012 | . | Use of fluid-tight or anti-friction material on outside of, or between, lining layers |
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5/ | 016 | . | Bearer curbs |
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5/ | 02 | . | with wood (E 21 D 5/01, E 21 D 5/012, E 21 D 5/016 take precedence) |
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5/ | 04 | . | with brick, concrete, stone, or similar building materials (E 21 D 5/01, E 21 D 5/012, E 21 D 5/016 take precedence) |
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5/ | 06 | . | with iron or steel (E 21 D 5/01, E 21 D 5/012, E 21 D 5/016 take precedence) |
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5/ | 08 | . . | in the form of profiled parts |
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5/ | 10 | . . | in the form of tubbing |
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5/ | 11 | . | with combinations of different materials, e.g. wood, metal, concrete (E 21 D 5/01, E 21 D 5/012, E 21 D 5/016 take precedence) |
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5/ | 12 | . | Accessories for making shaft linings, e.g. suspended cradles, shutterings |
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7/ | 00 | Shaft equipment, e.g. timbering within the shaft |
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7/ | 02 | . | Arrangement of guides for cages in shafts; Connection of guides for cages to shaft walls (guideways or guides for elevators B 66 B 7/02) |
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Tunnels; Galleries; Large underground chambers; Linings therefor (galleries protecting against falling rocks or avalanches E 01 F 7/04; pressure galleries, galleries specially adapted to house pressure water conduits E 02 B 9/06; sewers E 03 F) [3,6] |
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9/ | 00 | Tunnels or galleries, with or without linings; Methods or apparatus for making thereof (linings per se E 21 D 11/00) |
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9/ | 02 | . | Driving inclined tunnels or galleries [3] |
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9/ | 04 | . | Driving tunnels or galleries through loose materials; Apparatus therefor not otherwise provided for |
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9/ | 06 | . | Making by using a driving shield [2] |
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9/ | 08 | . . | with additional boring or cutting means [2] |
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9/ | 10 | . | Making by using boring or cutting machines (E 21 D 9/08 takes precedence; mining picks E 21 C 35/18) [3] |
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9/ | 12 | . | Devices for removing or hauling away excavated material or spoil; Working or loading platforms (underground transport E 21 F 13/00) [2] |
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9/ | 14 | . | 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] |
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10/ | 00 | (transferred to E 02 D 29/045, E 02 D 29/063) |
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10/ | 02 | (transferred to E 02 D 29/045) |
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10/ | 04 | (transferred to E 02 D 29/05) |
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10/ | 06 | (transferred to E 02 D 29/055) |
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10/ | 08 | (transferred to E 02 D 29/063) |
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10/ | 10 | (transferred to E 02 D 29/067) |
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10/ | 12 | (transferred to E 02 D 29/07) |
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10/ | 14 | (transferred to E 02 D 29/073) |
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10/ | 16 | (transferred to E 02 D 29/077) |
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11/ | 00 | Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling (E 21 D 15/00 to E 21 D 23/00 take precedence; specially for shafts E 21 D 5/00; lining pressure water galleries, linings therefor E 02 B 9/06) |
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11/ | 02 | . | Lining predominantly with wood [2] |
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11/ | 03 | . . | using timber-setting machines |
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11/ | 04 | . | Lining with building materials (E 21 D 11/02, E 21 D 11/14 take precedence) [2] |
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11/ | 05 | . . | using compressible insertions |
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11/ | 06 | . . | with bricks |
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11/ | 07 | . . . | using brick-laying machines |
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11/ | 08 | . . | with preformed concrete slabs |
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11/ | 10 | . . | with concrete cast in situ; Shuttering or other equipment adapted therefor |
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11/ | 12 | . . | Temporary supports for use during building; Accessories |
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11/ | 14 | . | Lining predominantly with metal [2] |
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11/ | 15 | . . | Plate linings; Laggings, i.e. linings designed for holding back formation material or for transmitting the load to main supporting members (insulation E 21 D 11/38) [2] |
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11/ | 18 | . . | Arch members |
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11/ | 20 | . . . | Special cross-sections, e.g. corrugated |
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11/ | 22 | . . . | Clamps or other yieldable means for interconnecting adjacent arch members either rigidly, or allowing arch member parts to slide when subjected to excessive pressure |
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11/ | 24 | . . . | Knuckle joints or links between arch members |
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11/ | 26 | . . . | Shoes for connecting arch members to longitudinal struts |
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11/ | 28 | . . | Longitudinal struts |
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11/ | 30 | . . | Bases for lower arch members (for props E 21 D 15/54) |
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11/ | 34 | . . | Joints between vertical props and horizontal top bars (end caps forming part of the props E 21 D 15/54) |
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11/ | 36 | . . | Linings or supports specially shaped for tunnels or galleries of irregular cross-section [2,3] |
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11/ | 38 | . | Waterproofing (in general E 02 D 31/00); Heat insulating; Soundproofing; Electric insulating (for building constructions in general E 04 B 1/62) [2] |
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11/ | 40 | . | Devices or apparatus specially adapted for handling or placing units of linings for tunnels or galleries [2] |
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13/ | 00 | Large underground chambers; Methods or apparatus for making them (lining E 21 D 11/00) |
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13/ | 02 | . | Methods |
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13/ | 04 | . | Special equipment; Accessories |
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Working-face supports |
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15/ | 00 | Props (in the building art E 04 G 25/00) |
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15/ | 02 | . | Non-telescopic props |
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15/ | 04 | . . | with wooden prop parts joined by double conical connectors |
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15/ | 06 | . . | with parts joined by a lock, with or without slight axial adjustability |
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15/ | 08 | . . . | with toggle joint connection |
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15/ | 10 | . . . | with dog-clutch or pin-and-hole connection |
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15/ | 12 | . . . | with locking devices located near head or foot |
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15/ | 14 | . | Telescopic props (general means for fixing telescopic parts together F 16 B) |
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15/ | 15 | . . | Means counteracting entry of dirt; Built-in cleaning devices |
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15/ | 16 | . . | with parts held together by positive means, with or without relative sliding movement when the prop is subject to excessive pressure |
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15/ | 18 | . . . | 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 |
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15/ | 20 | . . . | with pawl, pin, cross-piece, or the like engaging with ratchet teeth, notches, holes, or the like spaced apart at intervals |
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15/ | 22 | . . . | with member, pin, cross-piece, or the like ruptured, sheared through, or permanently deformed upon excessive pressure |
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15/ | 24 | . . . | with axial screw-and-nut, rack-and-worm, or like mechanism |
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15/ | 26 | . . . . | with screw, worm, or the like not self-locking but normally prevented from rotation by friction members which slip upon excessive pressure |
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15/ | 28 | . . | with parts held relatively to each other by friction or gripping, e.g. using wedges |
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15/ | 30 | . . . | by means expanded or contracted by pressure applied through the medium of a fluid or quasi-fluid, e.g. rubber |
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15/ | 32 | . . . | by a deformable collar |
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15/ | 34 | . . . | by axially-moving balls, rollers, or the like |
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15/ | 36 | . . . | by a tiltable collar surrounding one or both parts |
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15/ | 38 | . . . | with longitudinally-divided upper or lower prop parts, e.g. interfitting laminations |
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15/ | 40 | . . . | Collar or other support gripped to one or both parts by toggle-action, cam, or other member pivoted or similarly mounted |
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15/ | 42 | . . . | with special parts to influence the friction |
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15/ | 43 | . . . | Details of wedges (friction linings or pads E 21 D 15/42) |
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15/ | 44 | . . | Hydraulic, pneumatic, or hydraulic-pneumatic props |
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15/ | 45 | . . . | having closed fluid system, e.g. with built-in pumps or accumulators |
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15/ | 46 | . . | with load-measuring devices; with alarm devices |
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15/ | 48 | . | Chocks or the like |
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15/ | 50 | . | Component parts or details of props (E 21 D 15/43, E 21 D 15/58, E 21 D 15/60 take precedence) |
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15/ | 502 | . . | Prop bodies characterised by their shape, e.g. of specified cross-section |
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15/ | 51 | . . | specially adapted to hydraulic, pneumatic, or hydraulic-pneumatic props, e.g. arrangements of relief valves |
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15/ | 52 | . . | Extensible units located above or below standard props |
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15/ | 54 | . . | Details of the ends of props (for permitting step-by-step movement E 21 D 23/06) |
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15/ | 55 | . . . | of prop heads |
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15/ | 56 | . . | Details of locks of telescopic props |
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15/ | 58 | . | Devices for setting props |
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15/ | 582 | . . | for mechanical props |
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15/ | 59 | . . | for hydraulic, pneumatic, or hydraulic-pneumatic props |
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15/ | 60 | . | Devices for withdrawing props or chocks |
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17/ | 00 | Caps for supporting mine roofs |
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17/ | 01 | . | characterised by the shape of the cap, e.g. of specified cross-section |
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17/ | 02 | . | Cantilever extension or similar protecting devices |
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17/ | 022 | . . | Auxiliary devices for temporary support of roof-supporting beams whilst assembling |
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17/ | 03 | . . | Brackets for roof-supporting bars |
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17/ | 04 | . . | for use in longwall working |
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17/ | 05 | . . . | hydraulically extensible |
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17/ | 054 | . . . | hydraulically pivotable |
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17/ | 06 | . . | for use in drifting galleries |
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17/ | 08 | . . | Cap joints for obtaining a coal-face free of pit-props |
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17/ | 082 | . . . | of sliding type |
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17/ | 086 | . . . | of articulated type |
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17/ | 10 | . | Details of mine caps for engaging the tops of pit-props, with or without retaining-plates; Retaining-plates |
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19/ | 00 | Provisional protective covers for working space (E 21 D 9/06, E 21 D 23/00 take precedence) |
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19/ | 02 | . | for use in longwall working |
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19/ | 04 | . | for use in drifting galleries |
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19/ | 06 | . | Arrangements for applying the covers [6] |
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20/ | 00 | Setting anchoring-bolts (anchoring bolts for shafts, tunnels or galleries E 21 D 21/00; means for anchoring structural elements or bulkheads specially adapted to foundation engineering E 02 D 5/74; dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose F 16 B 13/00) |
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20/ | 02 | . | with provisions for grouting |
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21/ | 00 | 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 purpuse F 16 B 13/00) |
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21/ | 02 | . | having means for indicating tension (screwed connections specially modified for indicating tensile load F 16 B 31/02) |
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23/ | 00 | Mine roof supports for step-by-step movement, e.g. in combination with provisions for shifting of conveyers, mining machines, or guides therefor (shifting of mine conveyers at the working face, per se E 21 F 13/08) |
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23/ | 03 | . | having protective means, e.g. shields, for preventing or impeding entry of loose material into the working space or support [4] |
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23/ | 04 | . | 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 (E 21 D 23/14 takes precedence) |
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23/ | 06 | . . | Special mine caps or special tops of pit-props for permitting step-by-step movement |
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23/ | 08 | . | Advancing mechanisms (E 21 D 23/16 takes precedence) |
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23/ | 10 | . . | with advancing devices separate from the supporting construction |
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23/ | 12 | . | Control, e.g. using remote control (E 21 D 23/16 takes precedence) |
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23/ | 14 | . . | Effecting automatic sequential movement of supports, e.g. one behind the other |
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23/ | 16 | . | Hydraulic or pneumatic features, e.g. circuits, arrangement or adaptation of valves, setting or retracting devices |
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23/ | 18 | . . | of advancing mechanisms |
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23/ | 20 | . . . | for sequential movement, e.g. one behind the other |
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23/ | 22 | . . . | incorporated in mine caps |
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23/ | 24 | . . . | the advancing mechanisms being separate from the supporting construction |
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23/ | 26 | . . | Hydraulic or pneumatic control |
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