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2016
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Invention
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A method for treating toughness and hardness of drill bit buttons. A method (10), performed by a ... |
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Invention
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Cutting tool. A cutting tool (10) is provided. The cutting tool (10) comprises a tip (20), a body... |
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2015
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Invention
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Joint and joint parts for drill string components. A joint for joining together drill string comp... |
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2014
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Invention
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Threaded drill string device, threaded joint and method of manufacturing a threaded male portion ... |
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Invention
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Device and system for percussion rock drilling. A drill bit (6) for percussion rock drilling incl... |
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2012
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Invention
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Thread device, thread joint and drill string component for percussive rock drilling. A device in ... |
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2011
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Invention
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Shank adapter with corrosion protection. A neck adapter (2) comprises an elongated body (4), with... |
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2010
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Invention
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Hard metal insert for a drill bit for percussion drilling and method for grinding a hard metal in... |
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Invention
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Drill string component for noise control during percussion drilling. Drill string components (2;1... |
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Invention
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Friction bolt. A tube (1) of a friction bolt has an outer part (3) and an inner part (5) folded i... |
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2009
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Invention
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Drill bit for a rock drilling tool with increased toughness and method for increasing the toughne... |
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2008
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Invention
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Method and grinding appliance for grinding. This invention relates to a grinding appliance for gr... |
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Invention
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Neck adapter with side- flushing hole. The invention pertains to a neck adaptor at a drilling dev... |
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Invention
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Method and arrangement for grinding button drill bits, and an abrasive wheel for carrying out the... |
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Invention
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Sliding anchor. The invention relates to a sliding bolt (10) for introducing into a bore, having ... |
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Invention
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Anchor and anchor nut thereof. An anchor includes a rotatable anchor rod an anchor plate and an a... |
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2006
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Invention
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Grinding wheel. A grinding wheel, in particular a grinding wheel for the grinding of drill bits i... |
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2005
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Invention
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A grinding machine setting arrangement. The invention relates to a grinding machine setting... |
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Invention
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A grinding machine setting arrangement. The invention relates to a grinding machine setting arran... |
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Invention
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Entrainment fluid channeling device for a down-hole drill string. A fluid channeling device (10) ... |
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Invention
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Disassembleable washer device for down-hole drills.
A washer device is provided for a threaded j... |
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Invention
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Disassembleable washer device for down-hole drills. A washer device is provided for a threaded jo... |
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2004
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Invention
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A connection rod for rock drilling and a method of producing the same. The present inventio... |
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Invention
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A connection rod for rock drilling and a method of producing the same.. The present invention rel... |
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Invention
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Rock drill bit assembly. a). |
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Invention
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A rock drill bit assembly. A drill bit assembly for direct removal of rock by means of a ro... |
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Invention
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A rock drill bit assembly. A drill bit assembly for direct removal of rock by means of a rotatabl... |
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Invention
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Telescoping drilling sub. A telescoping sub (50) for mining operations and the like. The telescop... |
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Invention
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Grinding machine.
A grinding machine (3) for grinding drill bits (6), having a grinding unit (9)... |
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Invention
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An arrangement for adjusting the setting of a grinding machine. An arrangement for adjusting the ... |
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Invention
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A grinding machine.. A grinding machine (3) for grinding drill bits (6), comprising a grind... |
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Invention
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A grinding machine.. A grinding machine (3) for grinding drill bits (6), comprising a grinding un... |
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Invention
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Connection rod and method for production thereof. A connection rod (1) for rock drilling includes... |
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2003
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Invention
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Reamer assembly.
A reamer assembly for widening a drilled pilot hole or for widening a hole that... |
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Invention
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A reamer assembly. The present invention relates to a reamer assembly for widening a drille... |
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Invention
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A reamer assembly. The present invention relates to a reamer assembly for widening a drilled pilo... |
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Invention
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Securing arrangement for reamers in raise boring.
A safety arrangement which pertains to drill b... |
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Invention
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Securing arrangement for reamers in raise boring. The present invention relates to a safety arran... |
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Invention
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Securing arrangement for reamers in raise boring. The present invention relates to a safety... |
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Invention
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A thread joint for a drill string for percussive rock-drilling. The present invention relates to ... |
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Invention
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Grease filling arrangement in a cutter for a boring head.
An arrangement for replenishing lubric... |
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Invention
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Method for applying an anti-corrosion coating to especially corrosion exposed parts in rock drill... |
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Invention
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A method for applying an anti-corrosion coating to especially corrosion exposed parts in rock dri... |
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Invention
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Grease filling arrangement in a cutter for a boring head. The present invention relates to an arr... |
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Invention
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Grease filling arrangement in a cutter for a boring head. The present invention relates to... |
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2002
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Invention
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Driver.
A driver or dogging element adapted to transfer torsion forces between a rotating outer ... |
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Invention
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Down-the-hole drill hammer.
The present invention relates to an arrangement pertaining to down-t... |
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Invention
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Compressed air percussive mechanism for a down hole hammer and down hole hammer. Pressure-air dri... |
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Invention
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Fluid distributor device for down-hole-drills. A fluid distributor device is for a percussive dri... |
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1983
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P/S
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[ UNFINISHED DRILL STEEL ] ROCK DRILLING TOOLS AND INSERTS AND TIPS AND BUTTONS THEREFOR; MACHINE... |
