Matches 1 - 31 out of 31


Match Document Document Title
US20140305707 Fuel Tank  
A fuel tank for a fuel-operated down-the-hole drill including a drill bit, is provided. A largest rotation diameter of the fuel tank is provided at or in connection with drilling equipment and is...
US20100294568 Drawworks device on a drill floor  
A drawworks device on a drill floor which includes an upper pulley assembly) connected to a heave-compensated or fixed mounting, and a main block connected to a pipe mount which is laterally...
US20110266064 FEED CABLE SYSTEM FOR A TOWER OF A DRILLING MACHINE  
A drilling machine includes a feed cable system which operatively couples a rotary head to a tower. The feed cable system includes first and second pull up cables and an equalizer bar, wherein the...
US20140034387 ROTATION UNIT, ROCK DRILLING UNIT AND METHOD FOR ROCK DRILLING  
A rotation unit, rock drilling unit and method for rock drilling. The rotation unit includes a main shaft that is rotated around its longitudinal axis by means of a rotating motor. The main shaft...
US20130216312 Method, System And Rock Drilling Apparatus For Installing A Pipe In Drilled Holes In Rock Drilling  
The present invention relates to a method for installing a pipe (313) when drilling a first hole with the aid of a rock drilling apparatus (100), wherein a tool (309) which can be connected to a...
US20130140091 CONSTRUCTION WORK UNIT AND METHOD FOR ERECTING A MAST  
A drilling unit, with a carrier vehicle, a mast rotatably mounted on the carrier vehicle about a pivot axis, which mast can be pivoted between an erect operating position and an inclined transport...
US20140305706 DRILLING TOOL FOR LAYING A TUBE IN THE GROUND  
A drilling tool for laying a tube (3) around a buried elongated element (1), comprising a drilling head (2) guided by the buried element (1), moving under the action of a pressurized fluid, from a...
US20050252690 Tool for gripping a pipe or rod  
A tool for gripping the circumferential outer surface of a pipe or rod and comprising a pair of diametrically opposed arcuate shoes each with a ball cage having a plurality of balls retained by...
US20150027784 ROCK DRILL MACHINE WITH FEED LEG  
A rock drill machine with a feed leg. The feed leg is attached to the rock drill machine with one end and rests on a support with another end. The feed leg is configured to feed the rock drill...
US20100059281 EXTERNAL WATER DELIVERY SYSTEM FOR ROCK DRILLS  
An external water delivery system includes a water box front head, a collet configured to interface with the water box front head, a polymer sleeve configured to be positioned between the water...
US20090183923 Top drive drilling system and other applications using a low speed direct drive AC motor  
A low speed alternating current motor having motor shaft speeds of about 300 is provided, and such motor has application in numerous industries and devices, such as, for example, in top drive...
US20110147092 HOSE TENSIONER FOR A ROCK DRILL SYSTEM  
A rock drill system may include a support arrangement including a feed channel, a rock drill assembly movably associated with the feed channel, and a fluid conductor having a first end connected...
US20150083501 SLIDE VALVE, PERCUSSION DEVICE & METHOD  
A slide valve for a hydraulic percussion device. The slide valve includes a transition surface that is arranged to alternately be subjected to a working pressure and a tank pressure to carry out a...
US20100059280 FEED MECHANISM FOR DRILLING SYSTEMS  
A cartridge feed screw nut includes a body having a tubular threaded opening defined therein and having side portions. The side portions include a plurality of lateral surfaces and a plurality of...
US20140284111 HORIZONTAL DIRECTIONAL DRILLING SYSTEM  
The present disclosure provides a drilling machine configuration and related method that avoids drilling mud from contaminating hydraulic fluid that flows through the drive system of the machine....
US20100294570 BOOM ARRANGEMENT FOR A ROCK DRILL AND ROCK DRILL RIG  
A boom arrangement (7) for a rock drill rig (5) including a feed beam unit (8) for displaceable reception of at least one rock drilling machine (10, 10′), a support unit (13) for connection to and...
US20100065331 AUGER BORING MACHINE  
The present disclosure relates to an auger boring machine for boring through the earth. The auger boring machine includes a cutting head for engaging a working face of the earth to cut a bore. The...
US20110220420 Feed Chain Automatic Tensioner  
An automatic tensioning system for a chain drive system of a rock drill assembly is disclosed. A hydraulic cylinder is coupled to one end of the feed channel of a rock drill assembly. When...
US20150060147 PORTABLE MODULAR EARTH BORING MACHINE  
A portable modular horizontal earth boring machine includes three main components: a digging mechanism, a discharge mechanism and a driving mechanism. The digging mechanism includes an auger and a...
US20120048619 SYSTEM, METHOD AND APPARATUS FOR DRILLING AGITATOR  
A drilling agitator tool, system and method facilitates axial movement of a drill string in a well. The tool has a valve assembly that provides pulses of fluid pressure in the drill string. A...
US20140131113 Drilling Unit Operator Station  
A horizontal directional drilling system with a removable operator station having a frame, a carriage, a base, and a removable cab. The carriage is moveable relative to the frame to provide thrust...
US20100141012 METHOD OF QUARRYING DIMENSIONAL STONE, AND LINE DRILLING APPARATUS  
The invention relates to a method of quarrying dimensional stone and to a line drilling apparatus used therein. The drilling apparatus (8) is frameless and comprises a first boom (11) and a second...
US20130000988 DRILLING UNIT  
The invention relates to a drilling unit with a carrier vehicle with a hydraulic supply, a mast, a carriage which can be moved along the mast and a hydraulic cylinder for moving the carriage which...
US20140262512 MULTI-SERVICE SUPPLY LINE SYSTEM AND METHOD  
Present embodiments are directed toward a drilling system that includes a conduit configured to route a pressurized gas to a top drive of a drilling rig. The drilling system also includes one or...
US20100243327 HYDRAULIC CONTROL SYSTEM FOR DRILLING SYSTEMS  
A hydraulic control system includes a first motor, a second motor, a pump operatively associated with the first motor, a first coupling valve operatively associated with the second motor, first...
US20050121234 Drilling machine having rotary tools  
A drilling machine comprising: a frame; at least one pair of rotary drilling tools having substantially the same axis of rotation; and a support assembly secured to the frame and supporting said...
US20150260314 HOSE RELEASE DEVICE, ROCK DRILLING UNIT AND METHOD OF MANAGING HOSES  
A hose release device allowing a length change of a pressure medium hose caused by expansion under high pressure is provided. A method of managing hoses and executing a deflection to the hose so...
US20100218998 Upper Beam for a Telescopic Feeder, Telescopic Feeder and drilling device for rock drilling  
The object of the invention is to provide a drilling device which is compact and has good sliding properties. The object is achieved by an upper beam for use with a lower beam in a telescopic...
US20130341124 Vehicle-Attached Lifting and Tool Support Device  
A vehicle-attached lifting device and tool support is provided. The device comprises a dual-rail frame supported in an upright configuration by the vehicle tow hitch, wherein an internal...
US20170114594 ROCK DRILLING RIG  
A rock drilling rig includes a drilling unit that is provided with hydraulically operated actuators, such as an impact device, a rotation device and a feed device. The impact device and the...
US20130008718 CONTROL SYSTEM AND INTERFACE FOR A TUNNELING APPARATUS  
A tunneling apparatus is disclosed. The tunneling apparatus includes a drill string formed by a plurality of drill string sections. The drill string has a proximal end and a distal end. The...

Matches 1 - 31 out of 31