|
E21D 1/00
|
Sinking shafts |
|
E21D 1/02
|
Sinking shafts by hand |
|
E21D 1/03
|
Sinking shafts mechanically |
|
E21D 1/04
|
Sinking shafts mechanically with grabs |
|
E21D 1/06
|
Sinking shafts mechanically with shaft-boring cutters |
|
E21D 1/08
|
Sinking shafts while moving the lining downwards |
|
E21D 1/10
|
Preparation of the ground |
|
E21D 1/12
|
Preparation of the ground by freezing |
|
E21D 1/14
|
Freezing apparatus |
|
E21D 1/16
|
Preparation of the ground by petrification |
|
E21D 3/00
|
Raising shafts, i.e. working upwards from the bottom |
|
E21D 5/00
|
Lining shafts; Linings therefor |
|
E21D 5/01
|
Lining shafts; Linings therefor using prefabricated lining lowered into a hole filled with liquid or viscous mass |
|
E21D 5/02
|
Lining shafts; Linings therefor with wood |
|
E21D 5/04
|
Lining shafts; Linings therefor with brick, concrete, stone, or similar building materials |
|
E21D 5/06
|
Lining shafts; Linings therefor with iron or steel |
|
E21D 5/08
|
Lining shafts; Linings therefor with iron or steel in the form of profiled parts |
|
E21D 5/10
|
Lining shafts; Linings therefor with iron or steel in the form of tubbing |
|
E21D 5/11
|
Lining shafts; Linings therefor with combinations of different materials, e.g. wood, metal, concrete |
|
E21D 5/012
|
Use of fluid-tight or anti-friction material on outside of, or between, lining layers |
|
E21D 5/016
|
Bearer curbs |
|
E21D 7/00
|
Shaft equipment, e.g. timbering within the shaft |
|
E21D 7/02
|
Arrangement of guides for cages in shafts; Connection of guides for cages to shaft walls |
|
E21D 8/00
|
Shafts not provided for in groups |
|
E21D 9/00
|
Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries |
|
E21D 9/01
|
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
|
Driving inclined tunnels or galleries |
|
E21D 9/04
|
Driving tunnels or galleries through loose materials; Apparatus therefor not otherwise provided for |
|
E21D 9/06
|
Making by using a driving shield |
|
E21D 9/08
|
Making by using a driving shield with additional boring or cutting means |
|
E21D 9/10
|
Making by using boring or cutting machines |
|
E21D 9/11
|
Making by using boring or cutting machines with a rotary drilling-head cutting simultaneously the whole cross-section, i.e. full-face machines |
|
E21D 9/12
|
Devices for removing or hauling away excavated material or spoil; Working or loading platforms |
|
E21D 9/13
|
Devices for removing or hauling away excavated material or spoil; Working or loading platforms using hydraulic or pneumatic conveying means |
|
E21D 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 |
|
E21D 9/087
|
Making by using a driving shield with additional boring or cutting means with a rotary drilling-head cutting simultaneously the whole cross-section, i.e. full-face machines |
|
E21D 9/093
|
Control of the driving shield |
|
E21D 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 |
|
E21D 11/02
|
Lining predominantly with wood |
|
E21D 11/03
|
Lining predominantly with wood using timber-setting machines |
|
E21D 11/04
|
Lining with building materials |
|
E21D 11/05
|
Lining with building materials using compressible insertions |
|
E21D 11/06
|
Lining with building materials with bricks |
|
E21D 11/07
|
Lining with building materials with bricks using brick-laying machines |
|
E21D 11/08
|
Lining with building materials with preformed concrete slabs |
|
E21D 11/10
|
Lining with building materials with concrete cast in situ; Shuttering or other equipment adapted therefor |
|
E21D 11/12
|
Temporary supports for use during building; Accessories |
|
E21D 11/14
|
Lining predominantly with metal |
|
E21D 11/15
|
Plate linings; Laggings, i.e. linings designed for holding back formation material or for transmitting the load to main supporting members |
|
E21D 11/18
|
Arch members |
|
E21D 11/20
|
Special cross-sections, e.g. corrugated |
|
E21D 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 |
|
E21D 11/24
|
Knuckle joints or links between arch members |
|
E21D 11/26
|
Shoes for connecting arch members to longitudinal struts |
|
E21D 11/28
|
Longitudinal struts |
|
E21D 11/30
|
Bases for lower arch members |
|
E21D 11/34
|
Joints between vertical props and horizontal top bars |
|
E21D 11/36
|
Linings or supports specially shaped for tunnels or galleries of irregular cross-section |
|
E21D 11/38
|
Waterproofing; Heat insulating; Soundproofing; Electric insulating |
|
E21D 11/40
|
Devices or apparatus specially adapted for handling or placing units of linings for tunnels or galleries |
|
E21D 13/00
|
Large underground chambers; Methods or apparatus for making them |
|
E21D 13/02
|
Methods |
|
E21D 13/04
|
Special equipment; Accessories |
|
E21D 15/00
|
Props; Chocks |
|
E21D 15/02
|
Non-telescopic props |
|
E21D 15/04
|
Non-telescopic props with wooden prop parts joined by double conical connectors |
|
E21D 15/06
|
Non-telescopic props with parts joined by a lock, with or without slight axial adjustability |
|
E21D 15/08
|
Non-telescopic props with parts joined by a lock, with or without slight axial adjustability with toggle joint connection |
|
E21D 15/10
|
Non-telescopic props with parts joined by a lock, with or without slight axial adjustability with dog-clutch or pin-and-hole connection |
|
E21D 15/12
|
Non-telescopic props with parts joined by a lock, with or without slight axial adjustability with locking devices located near head or foot |
|
E21D 15/14
|
Telescopic props |
|
E21D 15/15
|
Means counteracting entry of dirt; Built-in cleaning devices |
|
E21D 15/16
|
Telescopic props with parts held together by positive means, with or without relative sliding movement when the prop is subject to excessive pressure |
|
E21D 15/18
|
Telescopic props with parts held together by positive means, with or without relative sliding movement when the prop is subject to excessive pressure 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
|
Telescopic props with parts held together by positive means, with or without relative sliding movement when the prop is subject to excessive pressure with pawl, pin, cross-piece, or the like engaging with ratchet teeth, notches, holes, or the like spaced apart at intervals |
|
E21D 15/22
|
Telescopic props with parts held together by positive means, with or without relative sliding movement when the prop is subject to excessive pressure with member, pin, cross-piece, or the like ruptured, sheared through, or permanently deformed upon excessive pressure |
|
E21D 15/24
|
Telescopic props with parts held together by positive means, with or without relative sliding movement when the prop is subject to excessive pressure with axial screw-and-nut, rack-and-worm, or like mechanism |
|
E21D 15/26
|
Telescopic props with parts held together by positive means, with or without relative sliding movement when the prop is subject to excessive pressure with axial screw-and-nut, rack-and-worm, or like mechanism 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
|
Telescopic props with parts held relatively to each other by friction or gripping, e.g. using wedges |
|
E21D 15/30
|
Telescopic props with parts held relatively to each other by friction or gripping, e.g. using wedges by means expanded or contracted by pressure applied through the medium of a fluid or quasi-fluid, e.g. rubber |
|
E21D 15/32
|
Telescopic props with parts held relatively to each other by friction or gripping, e.g. using wedges by a deformable collar |
|
E21D 15/34
|
Telescopic props with parts held relatively to each other by friction or gripping, e.g. using wedges by axially-moving balls, rollers, or the like |
|
E21D 15/36
|
Telescopic props with parts held relatively to each other by friction or gripping, e.g. using wedges by a tiltable collar surrounding one or both parts |
|
E21D 15/38
|
Telescopic props with parts held relatively to each other by friction or gripping, e.g. using wedges with longitudinally-divided upper or lower prop parts, e.g. interfitting laminations |
|
E21D 15/40
|
Collar or other support gripped to one or both parts by toggle-action, cam, or other member pivoted or similarly mounted |
|
E21D 15/42
|
Telescopic props with parts held relatively to each other by friction or gripping, e.g. using wedges with special parts to influence the friction |
|
E21D 15/43
|
Telescopic props with parts held relatively to each other by friction or gripping, e.g. using wedges - Details of wedges |
|
E21D 15/44
|
Hydraulic, pneumatic, or hydraulic-pneumatic props |
|
E21D 15/45
|
Hydraulic, pneumatic, or hydraulic-pneumatic props having closed fluid system, e.g. with built-in pumps or accumulators |
|
E21D 15/46
|
Telescopic props with alarm devices |
|
E21D 15/48
|
Chocks or the like |
|
E21D 15/50
|
Component parts or details of props |
|
E21D 15/51
|
Component parts or details of props specially adapted to hydraulic, pneumatic, or hydraulic-pneumatic props, e.g. arrangements of relief valves |
|
E21D 15/52
|
Extensible units located above or below standard props |
|
E21D 15/54
|
Component parts or details of props - Details of the ends of props |
|
E21D 15/55
|
Component parts or details of props - Details of the ends of props of prop heads |
|
E21D 15/56
|
Component parts or details of props - Details of locks of telescopic props |
|
E21D 15/58
|
Devices for setting props |
|
E21D 15/59
|
Devices for setting props for hydraulic, pneumatic, or hydraulic-pneumatic props |
|
E21D 15/60
|
Devices for withdrawing props or chocks |
|
E21D 15/502
|
Prop bodies characterised by their shape, e.g. of specified cross-section |
|
E21D 15/582
|
Devices for setting props for mechanical props |
|
E21D 17/00
|
Caps for supporting mine roofs |
|
E21D 17/01
|
Caps for supporting mine roofs characterised by the shape of the cap, e.g. of specified cross-section |
|
E21D 17/02
|
Cantilever extension or similar protecting devices |
|
E21D 17/03
|
Brackets for roof-supporting bars |
|
E21D 17/04
|
Cantilever extension or similar protecting devices for use in longwall working |
|
E21D 17/05
|
Cantilever extension or similar protecting devices for use in longwall working hydraulically extensible |
|
E21D 17/06
|
Cantilever extension or similar protecting devices for use in drifting galleries |
|
E21D 17/08
|
Cap joints for obtaining a coal-face free of pit-props |
|
E21D 17/10
|
Caps for supporting mine roofs - Details of mine caps for engaging the tops of pit-props, with or without retaining-plates; Retaining-plates |
|
E21D 17/022
|
Auxiliary devices for temporary support of roof-supporting beams whilst assembling |
|
E21D 17/054
|
Cantilever extension or similar protecting devices for use in longwall working hydraulically pivotable |
|
E21D 17/082
|
Cap joints for obtaining a coal-face free of pit-props of sliding type |
|
E21D 17/086
|
Cap joints for obtaining a coal-face free of pit-props of articulated type |
|
E21D 19/00
|
Provisional protective covers for working space |
|
E21D 19/02
|
Provisional protective covers for working space for use in longwall working |
|
E21D 19/04
|
Provisional protective covers for working space for use in drifting galleries |
|
E21D 19/06
|
Arrangements for applying the covers |
|
E21D 20/00
|
Setting anchoring-bolts |
|
E21D 20/02
|
Setting anchoring-bolts with provisions for grouting |
|
E21D 21/00
|
Anchoring-bolts for roof, floor, or shaft-lining protection |
|
E21D 21/02
|
Anchoring-bolts for roof, floor, or shaft-lining protection having means for indicating tension |
|
E21D 23/00
|
Mine roof supports for step-by-step movement, e.g. in combination with provisions for shifting of conveyors, mining machines or guides therefor |
|
E21D 23/03
|
Mine roof supports for step-by-step movement, e.g. in combination with provisions for shifting of conveyors, mining machines or guides therefor having protective means, e.g. shields, for preventing or impeding entry of loose material into the working space or support |
|
E21D 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 |
|
E21D 23/06
|
Special mine caps or special tops of pit-props for permitting step-by-step movement |
|
E21D 23/08
|
Advancing mechanisms |
|
E21D 23/10
|
Advancing mechanisms with advancing devices separate from the supporting construction |
|
E21D 23/12
|
Control, e.g. using remote control |
|
E21D 23/14
|
Effecting automatic sequential movement of supports, e.g. one behind the other |
|
E21D 23/16
|
Hydraulic or pneumatic features, e.g. circuits, arrangement or adaptation of valves, setting or retracting devices |
|
E21D 23/18
|
Hydraulic or pneumatic features, e.g. circuits, arrangement or adaptation of valves, setting or retracting devices of advancing mechanisms |
|
E21D 23/20
|
Hydraulic or pneumatic features, e.g. circuits, arrangement or adaptation of valves, setting or retracting devices of advancing mechanisms for sequential movement, e.g. one behind the other |
|
E21D 23/22
|
Hydraulic or pneumatic features, e.g. circuits, arrangement or adaptation of valves, setting or retracting devices of advancing mechanisms incorporated in mine caps |
|
E21D 23/24
|
Hydraulic or pneumatic features, e.g. circuits, arrangement or adaptation of valves, setting or retracting devices of advancing mechanisms the advancing mechanisms being separate from the supporting construction |
|
E21D 23/26
|
Hydraulic or pneumatic control |
