E | SK | FIXED CONSTRUCTIONS |
E21 | USK | EARTH OR ROCK DRILLING; MINING |
E21 | KL | EARTH OR ROCK DRILLING; MINING |
E21C | UKL | MINING OR QUARRYING |
E21C 1/00 | GEL | (covered by E21B 3/00) |
E21C 1/02 | GEL | (covered by E21B 3/00) |
E21C 1/04 | GEL | (transferred to E21B 3/035) |
E21C 1/06 | GEL | (transferred to E21B 3/025) |
E21C 1/08 | GEL | (transferred to E21B 3/03) |
E21C 1/10 | GEL | (covered by E21B 3/00; E21B 4/00); (transferred to E21B 19/08) |
E21C 1/12 | GEL | (transferred to E21B 6/02) |
E21C 3/00 | GEL | (covered by E21B 1/00) |
E21C 3/02 | GEL | (transferred to E21B 1/36) |
E21C 3/04 | GEL | (transferred to E21B 1/38) |
E21C 3/06 | GEL | (covered by E21B 1/00) |
E21C 3/08 | GEL | (transferred to E21B 1/14) |
E21C 3/10 | GEL | (transferred to E21B 1/20) |
E21C 3/12 | GEL | (transferred to E21B 1/16) |
E21C 3/14 | GEL | (transferred to E21B 1/18) |
E21C 3/16 | GEL | (transferred to E21B 1/22) |
E21C 3/18 | GEL | (transferred to E21B 1/34) |
E21C 3/20 | GEL | (transferred to E21B 1/26) |
E21C 3/22 | GEL | (transferred to E21B 1/28) |
E21C 3/24 | GEL | (transferred to E21B 1/30) |
E21C 3/26 | GEL | (transferred to E21B 1/32) |
E21C 3/28 | GEL | (transferred to E21B 1/12; E21B 6/06) |
E21C 3/30 | GEL | (transferred to E21B 1/12; E21B 6/08) |
E21C 3/32 | GEL | (transferred to E21B 44/00) |
E21C 3/34 | GEL | (transferred to E21B 17/03) |
E21C 5/00 | GEL | (transferred to E21B 19/08) |
E21C 5/02 | GEL | (transferred to E21B 19/081) |
E21C 5/04 | GEL | (transferred to E21B 19/083) |
E21C 5/06 | GEL | (transferred to E21B 19/084) |
E21C 5/08 | GEL | (transferred to E21B 19/08) |
E21C 5/10 | GEL | (transferred to E21B 19/086; E21B 19/087) |
E21C 5/11 | GEL | (transferred to E21B 19/086; E21B 19/087) |
E21C 5/12 | GEL | (transferred to E21B 19/089) |
E21C 5/14 | GEL | (transferred to E21B 44/08) |
E21C 5/16 | GEL | (transferred to E21B 44/00) |
E21C 7/00 | GEL | (transferred to E21B 21/00) |
E21C 7/04 | GEL | (transferred to E21B 21/00) |
E21C 7/06 | GEL | (covered by E21B 21/14) |
E21C 7/08 | GEL | (transferred to E21B 21/00) |
E21C 7/10 | GEL | (transferred to E21B 21/00) |
E21C 7/12 | GEL | (transferred to E21B 21/18) |
E21C 9/00 | GEL | (transferred to E21B 19/24) |
E21C 11/00 | GEL | (transferred to E21B 7/02; E21B 15/00; E21B 19/08) |
E21C 11/02 | GEL | (transferred to E21B 7/02; E21B 15/00; E21B 19/08) |
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E21C 25/00 | HGR | Cutting machines, i.e. for making slits approximately parallel or perpendicular to the seam (dislodging machines with slitting means E21C 27/02 , E21C 27/10 , E21C 27/18) |
E21C 25/02 | UGR1 | . | Machines slitting solely by one or more percussive tools moved through the seam |
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E21C 25/04 | UGR2 | . . | Cutting crowns or other tools (percussion drill bits E21B 10/36) |
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E21C 25/06 | UGR1 | . | Machines slitting solely by one or more cutting rods or cutting drums which rotate, move through the seam, and may or may not reciprocate |
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E21C 25/08 | UGR2 | . . | Mountings for the rods or drums |
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E21C 25/10 | UGR2 | |
E21C 25/14 | UGR2 | . . | with equipment for cleaning the slit (associated with cutter chain machines E21C 25/50) |
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E21C 25/16 | UGR1 | . | Machines slitting solely by one or more rotating saws, cutting discs, or wheels |
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E21C 25/18 | UGR2 | |
E21C 25/20 | UGR1 | . | Machines slitting solely by one or more reciprocating sawing implements or reciprocating cutter chains; Shaker conveyers with cutting means |
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E21C 25/22 | UGR1 | . | Machines slitting solely by one or more cutter chains moving unidirectionally along jibs |
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E21C 25/24 | UGR2 | |
E21C 25/26 | UGR2 | |
E21C 25/28 | UGR2 | . . | Chains or chain guides [6] |
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E21C 25/30 | UGR3 | |
E21C 25/32 | UGR4 | . . . . | specially adapted for curved jibs |
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E21C 25/34 | UGR3 | |
E21C 25/36 | UGR4 | . . . . | Couplings for links |
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E21C 25/40 | UGR4 | . . . . | having links with integrally formed picks |
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E21C 25/50 | UGR2 | . . | with equipment for cleaning the slit (associated with rotary-rod or rotary-drum machines E21C 25/14) |
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E21C 25/52 | UGR1 | |
E21C 25/54 | UGR1 | . | Slitting by unguided cutter cables or cutter chains or by unguided tools drawn along the working face by cables or the like (dislodging by planing means E21C 27/32; propulsion by haulage cables E21C 29/14) |
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E21C 25/56 | UGR1 | . | Slitting by cutter cables or cutter chains or by tools drawn along the working face by cables or the like, in each case guided parallel to the face, e.g. by a conveyer, by a guide parallel to a conveyer (pressing the conveyer equipped with tools toward the working face E21C 35/14) |
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E21C 25/58 | UGR1 | . | Machines slitting by drilling hole on hole |
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E21C 25/60 | UGR1 | . | Slitting by jets of water or other liquid (picks with arrangement of fluid-spraying nozzles E21C 35/187; distribution of spraying fluids in rotating cutter-heads E21C 35/23) [6] |
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E21C 25/62 | UGR1 | . | Machines for making slits approximately perpendicular to the seams either level with, or above or below the level of, the machine |
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E21C 25/64 | UGR1 | . | Slitting machines guided solely by hand and either carried by hand or mounted on supports (hand-held power-operated tools E21C 37/22) |
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E21C 25/66 | UGR1 | . | Machines for making slits with additional arrangements for drilling |
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E21C 25/68 | UGR1 | . | Machines for making slits combined with equipment for removing, e.g. by loading, material won by other means (slitting machines combined with planing means E21C 27/18; removing chippings E21C 35/20) |
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E21C 27/00 | HGR | Machines which completely free the mineral from the seam |
E21C 27/01 | UGR1 | . | specially adapted for removing overhanging coal |
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E21C 27/02 | UGR1 | |
E21C 27/04 | UGR2 | . . | by a single chain guided on a frame with or without auxiliary slitting means |
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E21C 27/06 | UGR3 | . . . | with a slewing frame |
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E21C 27/08 | UGR2 | . . | with additional means for cutting the mineral into blocks |
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E21C 27/10 | UGR1 | . | by both slitting and breaking-down |
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E21C 27/12 | UGR2 | . . | breaking-down effected by acting on the vertical face of the mineral, e.g. by percussive tools |
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E21C 27/14 | UGR2 | . . | breaking-down effected by force or pressure applied to side of slit, e.g. by wedges (breaking-down by means inserted in boreholes E21C 37/00) |
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E21C 27/16 | UGR3 | . . . | with means for both slitting and breaking-down |
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E21C 27/18 | UGR1 | . | by both slitting and planing |
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E21C 27/20 | UGR1 | . | Mineral freed by means not involving slitting |
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E21C 27/22 | UGR2 | . . | by rotary drills with breaking-down means, e.g. wedge-shaped drills |
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E21C 27/24 | UGR2 | . . | by milling means acting on the full working face |
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E21C 27/26 | UGR2 | . . | by closely adjacent cutter chains acting on the full working face |
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E21C 27/28 | UGR2 | . . | by percussive drills with breaking-down means, e.g. wedge-shaped tools |
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E21C 27/30 | UGR2 | . . | by jaws, buckets, or scoops that scoop-out the mineral |
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E21C 27/32 | UGR2 | . . | by adjustable or non-adjustable planing means with or without loading arrangements (by percussed planing means E21C 27/46) |
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E21C 27/34 | UGR3 | . . . | Machine propelled along the working face by cable or chain |
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E21C 27/35 | UGR4 | |
E21C 27/36 | UGR3 | . . . | Machine self-propelled along the working face |
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E21C 27/38 | UGR3 | . . . | Machine stationary while planing in an arc |
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E21C 27/40 | UGR3 | . . . | Machine and its planing tool making alternative step-wise movements along the working face |
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E21C 27/42 | UGR3 | . . . | combined with scraper or collector box |
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E21C 27/44 | UGR3 | |
E21C 27/46 | UGR2 | . . | by percussed planing means |
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E21C 29/00 | HGR | Propulsion of machines for slitting or completely freeing the mineral from the seam |
E21C 29/02 | UGR1 | . | by means on the machine exerting a thrust against fixed supports |
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E21C 29/04 | UGR1 | |
E21C 29/06 | UGR2 | . . | anchored at one or both ends to the mine working face |
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E21C 29/08 | UGR3 | . . . | Anchoring arrangements (for anchoring of conveyers only E21F 13/00) |
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E21C 29/10 | UGR3 | . . . | Cable or chain co-operating with a winch or the like on the machine |
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E21C 29/12 | UGR3 | . . . | Machines propelled by thrust or pull against a part alternately anchored to, and released from, a cable or chain |
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E21C 29/14 | UGR2 | . . | by haulage cable or chain pulling the machine along the working face |
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E21C 29/16 | UGR3 | . . . | Winches or other means for pulling cable or chain (winches in general B66D) |
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E21C 29/18 | UGR3 | . . . | Coupling and uncoupling machine to cable or chain |
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E21C 29/20 | UGR2 | . . | with safety devices operating in the event of breakage of the cable or chain |
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E21C 29/22 | UGR1 | . | by wheels, endless tracks, or the like |
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E21C 29/24 | UGR2 | . . | Trucks carrying the machine while working |
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E21C 29/26 | UGR3 | . . . | with means for adjustably positioning the machine on the truck |
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E21C 29/28 | UGR4 | . . . . | adjusting the height of the whole machine |
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E21C 31/00 | HGR | Driving means incorporated in machines for slitting or completely freeing the mineral from the seam |
E21C 31/02 | UGR1 | . | for cutting or breaking-down devices |
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E21C 31/04 | UGR2 | . . | imparting both a rotary and reciprocating motion |
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E21C 31/06 | UGR2 | . . | actuated by an endless cable or chain |
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E21C 31/08 | UGR1 | . | for adjusting parts of the machines |
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E21C 31/10 | UGR1 | . | for slewing parts of the machines |
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E21C 31/12 | UGR1 | |
E21C 33/00 | HGR | Trucks or other devices for transporting machines for slitting or completely freeing the mineral from the seam |
E21C 33/02 | UGR1 | . | with equipment for loading or unloading the machine on to, or from, the truck |
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E21C 35/00 | HGR | Miscellaneous items relating to machines for slitting or completely freeing the mineral from the seam |
E21C 35/02 | UGR1 | . | Locking equipment for slewable parts |
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E21C 35/04 | UGR1 | . | Safety devices (operating in the event of breakage of a haulage cable or chain E21C 29/20) |
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E21C 35/06 | UGR1 | . | Equipment for positioning the whole machine in relation to its sub-structure |
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E21C 35/08 | UGR1 | |
E21C 35/10 | UGR2 | . . | by feelers contacting the working face |
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E21C 35/12 | UGR2 | . . | along a conveyer for the cut material |
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E21C 35/14 | UGR3 | . . . | Equipment for pressing the conveyer towards the working face |
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E21C 35/16 | UGR2 | . . | by making use of the timbering, filling, or other supports |
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E21C 35/18 | UGR1 | . | Mining picks; Holders therefor (planing knives E21C 27/44) [6] |
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E21C 35/183 | UGR2 | . . | with inserts or layers of wear-resisting material [6] |
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E21C 35/187 | UGR2 | . . | with arrangement of fluid-spraying nozzles (supply of fluid to the nozzles E21C 35/22) [6] |
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E21C 35/19 | UGR2 | . . | Means for fixing picks or holders [6] |
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E21C 35/193 | UGR3 | . . . | using bolts as main fixing elements [6] |
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E21C 35/197 | UGR3 | . . . | using sleeves, rings or the like, as main fixing elements [6] |
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E21C 35/20 | UGR1 | . | General features of equipment for removal of chippings, e.g. for loading on conveyer |
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E21C 35/22 | UGR1 | . | Equipment for preventing the formation of, or for removal of, dust (picks with arrangement of fluid-spraying nozzles E21C 35/187; methods or apparatus for flushing boreholes E21B 21/00) |
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E21C 35/23 | UGR2 | . . | Distribution of spraying-fluids in rotating cutter-heads [6] |
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E21C 35/24 | UGR1 | . | Remote control specially adapted for machines for slitting or completely freeing the mineral (control in general G05) |
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E21C 37/00 | HGR | Other methods or devices for dislodging with or without loading (breaking-down by means inserted in slits E21C 27/14) |
E21C 37/02 | UGR1 | |
E21C 37/04 | UGR1 | . | by devices with parts pressed mechanically against the wall of a borehole |
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E21C 37/06 | UGR1 | . | by making use of hydraulic or pneumatic pressure in a borehole |
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E21C 37/08 | UGR2 | . . | Devices with pistons, plungers, or the like pressed locally against the wall of the borehole |
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E21C 37/10 | UGR2 | . . | Devices with expanding elastic casings |
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E21C 37/12 | UGR2 | . . | by injecting into the borehole a liquid, either initially at high pressure or subsequently subjected to high pressure, e.g. by pulses, by explosive cartridges acting on the liquid (slitting by jets of water E21C 25/60; blasting by explosives F42D) |
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E21C 37/14 | UGR2 | . . | by compressed air; by gas blast; by gasifying liquids |
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E21C 37/16 | UGR1 | . | by fire-setting or by similar methods based on a heat effect (drilling by use of heat E21B 7/14) |
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E21C 37/18 | UGR1 | |
E21C 37/20 | UGR1 | |
E21C 37/22 | UGR1 | . | Hand tools or hand-held power-operated tools specially adapted for dislodging minerals (slitting machines guided solely by hand E21C 25/64) |
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E21C 37/24 | UGR2 | . . | Pick hammers (pneumatic hammers in general B25D; percussion drilling E21B 1/00) |
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E21C 37/26 | UGR1 | . | Chisels or other cutting tools not mentioned before |
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E21C 39/00 | HGR | Devices for testing in situ the hardness or other properties of minerals, e.g. for giving information as to the selection of suitable mining tools |
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E21C 41/00 | HGR | Methods of underground or surface mining (E21C 45/00 takes precedence); Layouts therefor (for peat E21C 49/00) [5] |
E21C 41/16 | UGR1 | . | Methods of underground mining (winning machines therefor E21C 25/00 to E21C 39/00); Layouts therefor [5] |
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E21C 41/18 | UGR2 | . . | for brown or hard coal [5] |
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E21C 41/20 | UGR2 | . . | for rock salt or potash salt [5] |
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E21C 41/22 | UGR2 | . . | for ores, e.g. mining placers [5] |
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E21C 41/24 | UGR2 | . . | for oil-bearing deposits [5] |
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E21C 41/26 | UGR1 | . | Methods of surface mining (machines for obtaining, or the removal of, materials in open-pit mines E21C 47/00); Layouts therefor [5] |
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E21C 41/28 | UGR2 | . . | for brown or hard coal [5] |
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E21C 41/30 | UGR2 | . . | for ores, e.g. mining placers [5] |
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E21C 41/32 | UGR1 | . | Reclamation of surface-mined areas (machines or methods for treating or working soil for agricultural purposes A01B 77/00 , A01B 79/00; machines for back-filling E02F 5/22) [5] |
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E21C 45/00 | HGR | Methods of hydraulic mining; Hydraulic monitors (E21C 25/60 takes precedence) [5] |
E21C 45/02 | UGR1 | . | Means for generating pulsating fluid jets [5] |
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E21C 45/04 | UGR2 | . . | by use of highly pressurised liquid [5] |
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E21C 45/06 | UGR2 | . . | by use of compressed gases [5] |
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E21C 45/08 | UGR1 | . | Automatic or remote control of hydraulic monitors [5] |
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E21C 47/00 | HGR | Machines for obtaining, or the removal of, materials in open-pit mines (obtaining peat E21C 49/00) |
E21C 47/02 | UGR1 | . | for coal, brown coal, or the like (dredgers or soil-shifting machines in general E02F) [3] |
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E21C 47/04 | UGR2 | . . | Conveyer bridges used in co-operation with the winning apparatus [3] |
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E21C 47/06 | UGR2 | . . | Cableway conveyers used in co-operation with the winning apparatus (underground hauling E21F 13/00) |
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E21C 47/08 | UGR2 | . . | Devices for cutting-out partings, e.g. layers of sand between seams of coal |
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E21C 47/10 | UGR1 | . | for quarrying stone, sand, gravel, or clay |
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E21C 49/00 | HGR | Obtaining peat; Machines therefor (treating peat C10F) |
E21C 49/02 | UGR1 | |
E21C 49/04 | UGR1 | . | by digging in the form of peat sods |
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E21C 50/00 | HGR | Obtaining minerals from underwater, not otherwise provided for (suction dredgers or component parts thereof E02F 3/88; equipment for conveying or separating excavated material E02F 7/00; dippers G01N 1/12) [5] |
E21C 50/02 | UGR1 | . | dependent on the ship movements (vessels or floating structures adapted for special purposes B63B 35/00) [5] |
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E21C 51/00 | HGR | Apparatus for, or methods of, winning materials from extraterrestrial sources (cosmonautics B64G) [2] |