|
E21C 25/00
|
Cutting machines, i.e. for making slits approximately parallel or perpendicular to the seam |
|
E21C 25/02
|
Machines slitting solely by one or more percussive tools moved through the seam |
|
E21C 25/04
|
Cutting crowns or other tools |
|
E21C 25/06
|
Machines slitting solely by one or more cutting rods or cutting drums which rotate, move through the seam, and may or may not reciprocate |
|
E21C 25/08
|
Mountings for the rods or drums |
|
E21C 25/10
|
Rods; Drums |
|
E21C 25/14
|
Machines slitting solely by one or more cutting rods or cutting drums which rotate, move through the seam, and may or may not reciprocate with equipment for cleaning the slit |
|
E21C 25/16
|
Machines slitting solely by one or more rotating saws, cutting discs, or wheels |
|
E21C 25/18
|
Saws; Discs; Wheels |
|
E21C 25/20
|
Machines slitting solely by one or more reciprocating sawing implements or reciprocating cutter chains; Shaker conveyors with cutting means |
|
E21C 25/22
|
Machines slitting solely by one or more cutter chains moving unidirectionally along jibs |
|
E21C 25/24
|
Machines slitting solely by one or more cutter chains moving unidirectionally along jibs with flat jibs only |
|
E21C 25/26
|
Machines slitting solely by one or more cutter chains moving unidirectionally along jibs with curved jibs only |
|
E21C 25/28
|
Chains or chain guides |
|
E21C 25/30
|
Chain guides |
|
E21C 25/32
|
Chain guides specially adapted for curved jibs |
|
E21C 25/34
|
Chains |
|
E21C 25/36
|
Couplings for links |
|
E21C 25/40
|
Chains having links with integrally formed picks |
|
E21C 25/50
|
Machines slitting solely by one or more cutter chains moving unidirectionally along jibs with equipment for cleaning the slit |
|
E21C 25/52
|
Machines incorporating two or more of the slitting means according to groups , , , and |
|
E21C 25/54
|
Slitting by unguided cutter cables or cutter chains or by unguided tools drawn along the working face by cables or the like |
|
E21C 25/56
|
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 conveyor or by a guide parallel to a conveyor |
|
E21C 25/58
|
Machines slitting by drilling hole on hole |
|
E21C 25/60
|
Slitting by jets of water or other liquid |
|
E21C 25/62
|
Machines for making slits approximately perpendicular to the seams either level with, or above or below the level of, the machine |
|
E21C 25/64
|
Slitting machines guided solely by hand and either carried by hand or mounted on supports |
|
E21C 25/66
|
Machines for making slits with additional arrangements for drilling |
|
E21C 25/68
|
Machines for making slits combined with equipment for removing, e.g. by loading, material won by other means |
|
E21C 27/00
|
Machines which completely free the mineral from the seam |
|
E21C 27/01
|
Machines which completely free the mineral from the seam specially adapted for removing overhanging coal |
|
E21C 27/02
|
Machines which completely free the mineral from the seam solely by slitting |
|
E21C 27/04
|
Machines which completely free the mineral from the seam solely by slitting by a single chain guided on a frame with or without auxiliary slitting means |
|
E21C 27/06
|
Machines which completely free the mineral from the seam solely by slitting by a single chain guided on a frame with or without auxiliary slitting means with a slewing frame |
|
E21C 27/08
|
Machines which completely free the mineral from the seam solely by slitting with additional means for cutting the mineral into blocks |
|
E21C 27/10
|
Machines which completely free the mineral from the seam by both slitting and breaking-down |
|
E21C 27/12
|
Machines which completely free the mineral from the seam by both slitting and breaking-down breaking-down effected by acting on the vertical face of the mineral, e.g. by percussive tools |
|
E21C 27/14
|
Machines which completely free the mineral from the seam by both slitting and breaking-down breaking-down effected by force or pressure applied to side of slit, e.g. by wedges |
|
E21C 27/16
|
Machines which completely free the mineral from the seam by both slitting and breaking-down breaking-down effected by force or pressure applied to side of slit, e.g. by wedges with means for both slitting and breaking-down |
|
E21C 27/18
|
Machines which completely free the mineral from the seam by both slitting and planing |
|
E21C 27/20
|
Mineral freed by means not involving slitting |
|
E21C 27/22
|
Mineral freed by means not involving slitting by rotary drills with breaking-down means, e.g. wedge-shaped drills |
|
E21C 27/24
|
Mineral freed by means not involving slitting by milling means acting on the full working face |
|
E21C 27/26
|
Mineral freed by means not involving slitting by closely adjacent cutter chains acting on the full working face |
|
E21C 27/28
|
Mineral freed by means not involving slitting by percussive drills with breaking-down means, e.g. wedge-shaped tools |
|
E21C 27/30
|
Mineral freed by means not involving slitting by jaws, buckets, or scoops that scoop-out the mineral |
|
E21C 27/32
|
Mineral freed by means not involving slitting by adjustable or non-adjustable planing means with or without loading arrangements |
|
E21C 27/34
|
Machine propelled along the working face by cable or chain |
|
E21C 27/35
|
Ram-ploughs |
|
E21C 27/36
|
Machine self-propelled along the working face |
|
E21C 27/38
|
Machine stationary while planing in an arc |
|
E21C 27/40
|
Machine and its planing tool making alternative step-wise movements along the working face |
|
E21C 27/42
|
Mineral freed by means not involving slitting by adjustable or non-adjustable planing means with or without loading arrangements combined with scraper or collector box |
|
E21C 27/44
|
Planing knives |
|
E21C 27/46
|
Mineral freed by means not involving slitting by percussed planing means |
|
E21C 29/00
|
Propulsion of machines for slitting or completely freeing the mineral from the seam |
|
E21C 29/02
|
Propulsion of machines for slitting or completely freeing the mineral from the seam by means on the machine exerting a thrust against fixed supports |
|
E21C 29/04
|
Propulsion of machines for slitting or completely freeing the mineral from the seam by cable or chains |
|
E21C 29/06
|
Propulsion of machines for slitting or completely freeing the mineral from the seam by cable or chains anchored at one or both ends to the mine working face |
|
E21C 29/08
|
Anchoring arrangements |
|
E21C 29/10
|
Cable or chain co-operating with a winch or the like on the machine |
|
E21C 29/12
|
Machines propelled by thrust or pull against a part alternately anchored to, and released from, a cable or chain |
|
E21C 29/14
|
Propulsion of machines for slitting or completely freeing the mineral from the seam by cable or chains by haulage cable or chain pulling the machine along the working face |
|
E21C 29/16
|
Winches or other means for pulling cable or chain |
|
E21C 29/18
|
Coupling and uncoupling machine to cable or chain |
|
E21C 29/20
|
Propulsion of machines for slitting or completely freeing the mineral from the seam by cable or chains with safety devices operating in the event of breakage of the cable or chain |
|
E21C 29/22
|
Propulsion of machines for slitting or completely freeing the mineral from the seam by wheels, endless tracks, or the like |
|
E21C 29/24
|
Trucks carrying the machine while working |
|
E21C 29/26
|
Trucks carrying the machine while working with means for adjustably positioning the machine on the truck |
|
E21C 29/28
|
Trucks carrying the machine while working with means for adjustably positioning the machine on the truck adjusting the height of the whole machine |
|
E21C 31/00
|
Driving means incorporated in machines for slitting or completely freeing the mineral from the seam |
|
E21C 31/02
|
Driving means incorporated in machines for slitting or completely freeing the mineral from the seam for cutting or breaking-down devices |
|
E21C 31/04
|
Driving means incorporated in machines for slitting or completely freeing the mineral from the seam for cutting or breaking-down devices imparting both a rotary and reciprocating motion |
|
E21C 31/06
|
Driving means incorporated in machines for slitting or completely freeing the mineral from the seam for cutting or breaking-down devices actuated by an endless cable or chain |
|
E21C 31/08
|
Driving means incorporated in machines for slitting or completely freeing the mineral from the seam for adjusting parts of the machines |
|
E21C 31/10
|
Driving means incorporated in machines for slitting or completely freeing the mineral from the seam for slewing parts of the machines |
|
E21C 31/12
|
Component parts |
|
E21C 33/00
|
Trucks or other devices for transporting machines for slitting or completely freeing the mineral from the seam |
|
E21C 33/02
|
Trucks or other devices for transporting machines for slitting or completely freeing the mineral from the seam with equipment for loading or unloading the machine on to, or from, the truck |
|
E21C 35/00
|
MINING OR QUARRYING - Details of, or accessories for, machines for slitting or completely freeing the mineral from the seam, not provided for in groups , or |
|
E21C 35/02
|
Locking equipment for slewable parts |
|
E21C 35/04
|
Safety devices |
|
E21C 35/06
|
Equipment for positioning the whole machine in relation to its sub-structure |
|
E21C 35/08
|
Guiding the machine |
|
E21C 35/10
|
Guiding the machine by feelers contacting the working face |
|
E21C 35/12
|
Guiding the machine along a conveyor for the cut material |
|
E21C 35/14
|
Equipment for pressing the conveyor towards the working face |
|
E21C 35/16
|
Guiding the machine by making use of the timbering, filling, or other supports |
|
E21C 35/18
|
Mining picks; Holders therefor |
|
E21C 35/19
|
Means for fixing picks or holders |
|
E21C 35/20
|
General features of equipment for removal of chippings, e.g. for loading on conveyor |
|
E21C 35/22
|
Equipment for preventing the formation of, or for removal of, dust |
|
E21C 35/23
|
Distribution of spraying-fluids in rotating cutter-heads |
|
E21C 35/24
|
Remote control specially adapted for machines for slitting or completely freeing the mineral |
|
E21C 35/183
|
Mining picks; Holders therefor with inserts or layers of wear-resisting material |
|
E21C 35/187
|
Mining picks; Holders therefor with arrangement of fluid-spraying nozzles |
|
E21C 35/193
|
Means for fixing picks or holders using bolts as main fixing elements |
|
E21C 35/197
|
Means for fixing picks or holders using sleeves, rings or the like, as main fixing elements |
|
E21C 37/00
|
Other methods or devices for dislodging with or without loading |
|
E21C 37/02
|
Other methods or devices for dislodging with or without loading by wedges |
|
E21C 37/04
|
Other methods or devices for dislodging with or without loading by devices with parts pressed mechanically against the wall of a borehole |
|
E21C 37/06
|
Other methods or devices for dislodging with or without loading by making use of hydraulic or pneumatic pressure in a borehole |
|
E21C 37/08
|
Devices with pistons, plungers, or the like pressed locally against the wall of the borehole |
|
E21C 37/10
|
Devices with expanding elastic casings |
|
E21C 37/12
|
Other methods or devices for dislodging with or without loading by making use of hydraulic or pneumatic pressure in a borehole 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 |
|
E21C 37/14
|
Other methods or devices for dislodging with or without loading by making use of hydraulic or pneumatic pressure in a borehole by gasifying liquids |
|
E21C 37/16
|
Other methods or devices for dislodging with or without loading by fire-setting or by similar methods based on a heat effect |
|
E21C 37/18
|
Other methods or devices for dislodging with or without loading by electricity |
|
E21C 37/20
|
Other methods or devices for dislodging with or without loading by ultrasonics |
|
E21C 37/22
|
Hand tools or hand-held power-operated tools specially adapted for dislodging minerals |
|
E21C 37/24
|
Pick hammers |
|
E21C 37/26
|
Chisels or other cutting tools not mentioned before |
|
E21C 39/00
|
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 |
|
E21C 41/00
|
Methods of underground or surface mining; Layouts therefor |
|
E21C 41/16
|
Methods of underground mining; Layouts therefor |
|
E21C 41/18
|
Methods of underground mining; Layouts therefor for brown or hard coal |
|
E21C 41/20
|
Methods of underground mining; Layouts therefor for rock salt or potash salt |
|
E21C 41/22
|
Methods of underground mining; Layouts therefor for ores, e.g. mining placers |
|
E21C 41/24
|
Methods of underground mining; Layouts therefor for oil-bearing deposits |
|
E21C 41/26
|
Methods of surface mining; Layouts therefor |
|
E21C 41/28
|
Methods of surface mining; Layouts therefor for brown or hard coal |
|
E21C 41/30
|
Methods of surface mining; Layouts therefor for ores, e.g. mining placers |
|
E21C 41/32
|
Reclamation of surface-mined areas |
|
E21C 45/00
|
Methods of hydraulic mining; Hydraulic monitors |
|
E21C 45/02
|
Means for generating pulsating fluid jets |
|
E21C 45/04
|
Means for generating pulsating fluid jets by use of highly pressurised liquid |
|
E21C 45/06
|
Means for generating pulsating fluid jets by use of compressed gases |
|
E21C 45/08
|
Automatic or remote control of hydraulic monitors |
|
E21C 47/00
|
Machines for obtaining, or the removal of, materials in open-pit mines |
|
E21C 47/02
|
Machines for obtaining, or the removal of, materials in open-pit mines for coal, brown coal, or the like |
|
E21C 47/04
|
Conveyor bridges used in co-operation with the winning apparatus |
|
E21C 47/06
|
Cableway conveyors used in co-operation with the winning apparatus |
|
E21C 47/08
|
Devices for cutting-out partings, e.g. layers of sand between seams of coal |
|
E21C 47/10
|
Machines for obtaining, or the removal of, materials in open-pit mines for quarrying stone, sand, gravel, or clay |
|
E21C 49/00
|
Obtaining peat; Machines therefor |
|
E21C 49/02
|
Obtaining peat; Machines therefor by excavating |
|
E21C 49/04
|
Obtaining peat; Machines therefor by digging in the form of peat sods |
|
E21C 50/00
|
Obtaining minerals from underwater, not otherwise provided for |
|
E21C 50/02
|
Obtaining minerals from underwater, not otherwise provided for dependent on the ship movements |
|
E21C 51/00
|
Apparatus for, or methods of, winning materials from extraterrestrial sources |
