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| Number | Title | Issue Date |
| 7603235 | Arrangement for collision prevention of mine vehicle A mine vehicle and a method of preventing a mine vehicle from colliding. The mine vehicle (1) includes at least one scanner (13, 14) to scan the environment in front of the vehicle. On the basis of the scanning, an obstacle-free route is determined who... | 10/13/2009 |
| D553582 | Part of a user interface of a drilling machine | 10/23/2007 |
| D553578 | Part of a user interface of a drilling machine | 10/23/2007 |
| 7267182 | Rock drilling rig and rock breaking machine The rock drilling rig comprises a first control unit (8) arranged on a carrier (1) and a second control unit (9) arranged to a rock drilling apparatus (4). The first control unit (8) and the second control unit (9) communica... | 09/11/2007 |
| 7231989 | Drilling control arrangement A method and a control system for controlling rock drilling. A control unit of a rock drilling apparatus is provided with one or more control modes, each determining the drilling variables to be measured, their threshold values and the operating principles according... | 06/19/2007 |
| 7198117 | Method and arrangement for controlling percussion rock drilling The invention relates to a rock drilling arrangement and a method and program for controlling rock drilling on the basis of specific energy consumption. The specific energy of drilling is the quantity of energy used per a unit of length of the drilled hole. Not only... | 04/03/2007 |
| 7191060 | Method for automatically guiding a mining machine A method for automatically guiding a mining machine (14) provided with a route determined as successive route determined as successive route points in the mine. In the method, data relating to the successive points are used for determining additional route be... | 03/13/2007 |
| 7178447 | Control valve and a method for a percussion device with a working cycle involving several coupling moments The invention relates to a control valve, a percussion device and a method of controlling a working cycle of a percussion device. A percussion device (1) for breaking rock includes an impact element (8) controlled by a control valve (2). The con... | 02/20/2007 |
| 7152692 | Hydraulic hammer having a sealing bushing A hydraulic hammer having a sealing bushing includes a percussion piston that delivers strokes to a tool. A lower part of the percussion piston is sealed with respect to a frame by the sealing bushing, which includes one or more lower seals. The sealing bushing does... | 12/26/2006 |
| 7114576 | Method and arrangement of controlling of percussive drilling based on the stress level determined from the measured feed rate The rock drill apparatus (1) comprises a rock drill machine (6) provided with a percussion device (4), a feed device (9) and a tool (7), the tool (7) end comprising a bit (8) for breaking rock. The tool (7) is ... | 10/03/2006 |
| 7111691 | Breaking hammer, and fastening element, side plate, and protective casing of breaking hammer A crushing hammer, and a fastening element, side plate, and protective casing for the crushing hammer. The crushing hammer comprises at least two alternative fastening elements with which it can be fastened to a boom of a work machine. The fastening can be done with... | 09/26/2006 |
| D525634 | Shank adapter of rock drilling machine | 07/25/2006 |
| 7051525 | Method and apparatus for monitoring operation of percussion device A method and an apparatus for monitoring the operation of a percussion device, which percussion device comprises a percussion piston and a pressure channel for supplying pressure medium to the percussion device for moving the percussion piston. The method and the ap... | 05/30/2006 |
| 7013996 | Impact device An impact device for a rock drill. The rock drill includes a tool and a mechanism for delivering a stress pulse to the tool. That mechanism includes an impact element supported to a frame of the drill, and a mechanism for subjecting the impact element to stress and ... | 03/21/2006 |
| 6929098 | Arrangement for lubricating bearing surfaces of a tool of a hydraulic impact hammer An arrangement for lubricating the bearing surfaces between a tool of a hydraulic impact device and the impact device, the arrangement comprising a supply pump and a channel for supplying lubricant. The arrangement comprises at least two separate channels (19, 20... | 08/16/2005 |
| D508061 | Shank adapter of rock drilling machine | 08/02/2005 |
| D506483 | Drilling machine | 06/21/2005 |
| 6898503 | Method and apparatus for determining position of mining machine A method and an apparatus for determining the position of a mining machine as its wheels skid with respect to the underlying surface. In the method, at least one detector detecting the operation of transmission detects skidding of at least one wheel with respect to ... | 05/24/2005 |
| 6877569 | Method for controlling operating cycle of impact device, and impact device A method for controlling the operating cycle of an impact device, and an impact device. Percussion piston position is measured using a sensor (11) from which the measurement data is transmitted to a control unit (12) of the impact device, which in turn... | 04/12/2005 |
| 6854538 | Rock drill A rock drill includes a shank. A percussion piston is arranged to hit the back end of the shank. Further, a pulling element is arranged around the shank, to which a pulling force can be directed in such a manner that the shank can, by the pulling force, be moved tow... | 02/15/2005 |
| 6802674 | Arrangement for feeding soldering material An arrangement for feeding soldering material into a space between a bolt and rock includes a sleeve-like nozzle which can be pushed tightly against a feed chamber on the rock bolt so that a feed hole in the feed chamber is connected to the inner space of the nozzle... | 10/12/2004 |
| 6578646 | Method and arrangement for reducing dust-related problems in rock drilling In a method and arrangement for reducing dust-related problems in rock drilling, air and liquid mist is supplied into a drilling hole to moisten the dust that comes off the drilling hole. The air and moistened dust exiting from the drilling hole are led t... | 06/17/2003 |
| 6419031 | Method of controlling rock drilling A method of controlling rock drilling performed by a rock drill provided with a pressure-driven hammer and a rotation motor. In the method, the speed of rotation of the drill rod is defined on the basis of the value of the control signal used to control t... | 07/16/2002 |
| 6390189 | Feed apparatus for feeding capsular cartridges into drilled hole The invention relates to a feed apparatus for feeding capsular cartridges into a drilled hole, the apparatus being intended to be used in conjunction with a rock drill apparatus. The feed apparatus comprises a rotatable roll-like cartridge magazine (1) wi... | 05/21/2002 |
| 6328116 | Arrangement in connection with a hydraulic breaking apparatus The invention relates to an arrangement in connection with a hydraulic breaking apparatus, the arrangement comprising a housing (4) placed around a percussion hammer (1), and a changeable wearing element (6) arranged at the lower part of the housing. The ... | 12/11/2001 |
| 6293355 | Method of controlling rock drilling A method of controlling rock drilling wherein the cut length changes from a predetermined cut length, the drilling length is changed by transferring the position of the pattern in the longitudinal direction of the tunnel so that the positions of the end p... | 09/25/2001 |
| 6253860 | Method and arrangement for controlling rock drilling A method and an arrangement for controlling rock drilling on the basis of a pressure acting in a pressure conduit of a rotation motor of a drill rod. In the method, the pressure acting in the pressure fluid conduit of the rotation motor is measured during... | 07/03/2001 |
| 6209661 | Method and arrangement for controlling feed in rock drilling A method and an arrangement for controlling the feed of a rock drill. In the method, the pressure in a pressure conduit (7a) of a pressure-fluid-operated feed motor (6) is measured, and when the pressure value measured is below the pre-set threshold value... | 04/03/2001 |
