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Match Document Document Title
7926587 Explosive water jet with precursor bubble  
A water jet assembly and method of use is provided comprising a tank with cutting fluid, fuel and oxidizer lines, and a tank discharge lines. In operation, the tank is filled with oxidizer; the...
7828078 System for rapidly boring through materials  
The present invention is a self-contained, high-energy liquid rock-boring system that will bore a small-diameter access hole [5] several hundred meters through hard granite and other obstacles...
7584807 Multiple pulsejet boring device  
A method and device for boring a hole [5] through a material along a desired path includes an umbilical subsystem [2000] connected to a boring subsystem [3000] having a plurality of pulsejets...
5964303 Process and a device for establishing drilling holes  
The description relates to a process and a device for drilling holes in hard rocks like granite, in which the rock to be drilled is exposed to a flame produced by gaseous hydrogen and fluorine...
5771984 Continuous drilling of vertical boreholes by thermal processes: including rock spallation and fusion  
Various rock spallation devices and methods reduce the cost of deep hole excavation. A spallation head has rotating, circumferentially spaced jets. The jets may be combustion flame jets or very...
5497838 Automated rock burner  
An automated burner system for channeling a mineral body consisting of a burner staff carrying a burner at one end, a guide shaft adapted to carry the burner staff for reciprocating motion, a...
5267622 Impact block assembly for percussion drilling apparatus  
In a percussion drilling apparatus, an impact block assembly is provided for sequentially driving drill rods into a subterranean formation, the impact block assembly including an impact block...
5211156 Method and apparatus for treating a surface of granite with a high temperature plasma jet  
The method and apparatus treat a surface of natural rock or artificial stone-like material to give to this surface an attractive finish. A high temperature jet of plasma and a high speed jet of...
5125828 Granite flame finishing internal burner  
An internal burner for producing a subsonic air-fuel flame jet capable of flame finishing granite of similar hard stone has a body forming a closed combustion chamber fed with an essentially...
5107937 Automated rock burner  
An automated burner for channelling a mineral body, including, a guide shaft assembly having a guide shaft adapted to receive a burner staff for reciprocal movement. A first drive means is...
5088568 Hydro-mechanical device for underground drilling  
A hydro-mechanical device for underground drilling for use with a drilling rig comprises a container having a combustion chamber, an ignition system, inlets for introducing a fuel, an oxidizer, a...
5022470 Autonomous rapid thermal ice penetrating method and system  
An autonomous ice penetrator/payload delivery system is provided which, when once launched from its parent vehicle will, upon reaching the surface of the ice automatically right itself to proper...
4923019 Thermochemical penetrator for ice and frozen soils  
An apparatus and method are described for penetrating ice. The apparatus comprises: (a) a confined thermochemical reaction chamber having an inlet opening and an outlet opening and containing...
4519453 Ignition system  
A burner having a pulsating mode of operation has a combustion chamber for the periodic burning of successive separate charges of combustible fuel continuously supplied from an inlet system....
4319647 Flame drill channelling method and apparatus for reducing noise and dust levels  
Chanelling in rock quarries with reduced noise level is effected by flame drilling side by side holes separated by a web with the web sufficiently thin to allow easy subsequent breakage,...
4301875 Method for making holes and producing gas in coal seams  
A method and apparatus for making holes in coal seams in a coal mining system in which hot working gas is employed to impinge on the coal under high pressure and speed in order to disintegrate it...
4190121 Thermal drilling device  
A thermal drilling device which operates in a rotary or circumferentially oscillatory motion and which is particularly adapted for drilling geological formations comprises a drill body which has...
4099584 Flame jet tool for drilling to great depths  
A flame jet tool for drilling a hole in the ground at great depths is disclosed. The tool comprises a flame jet lance having a drill bit and an associated fuel system. The lance is disposed in a...
4073351 Burners for flame jet drill  
A burner in the form of a flame jet drill bit engine for liquid fuels is disclosed. The burner has particular utility in a flame jet drill and comprises an axially elongated body with a combustion...
4066137 Flame jet tool for drilling cross-holes  
A flame jet lance having a rotatable drill bit for forming cross holes in the ground is disclosed. The lance has various fuel and oxidizer tanks disposed therein and a fuel feed system coupled to...
3934659 Apparatus for drilling holes in earth surface  
The apparatus is a rocket with a drill head provided with a group of jet nozzles. One nozzle of this group is the face-forming one, while the plurality of the rows of the rest of the nozzles...
3917007 Method of sinking holes in earth's surface  
A rocket is placed with its front nozzle directed towards the hole face with the distance between said nozzle and the face being about four diameters of the nozzle exit section. Then the rocket is...
3854997 JET FLAME CLEANING  
A flame head producing a high velocity jet flame is utilized with a venturi type adapter unit which creates a vacuum pick-up for abrasive particles or coating materials that are stored in a...
3835937 DRILLING AND CUTTING SUBMARINE ROCKS  
A flame jet produced by the combustion of a kerosene-oxygen mixture in a combustion chamber is projected against an underwater rock thereby to drill or cut the rock by spalling or melting. The...
3746088 APPARATUS FOR USE IN WELLS  
Apparatus for use in mixing reactive fluids in a well to supply heat to the well and including tubing strings providing two flow paths from the earth's surface down the well to a reaction chamber....
3658453 METHOD AND APPARATUS FOR FLAME WORKING MINERAL BODIES  
Flame cutting mineral bodies with an improved form of flame jet to produce spalling is employed to carry out a channelling operation wherein a vertical channel is cut in an exposed vertical face...
3620313 PULSED HIGH-PRESSURE LIQUID PROPELLANT COMBUSTION-POWERED LIQUID JET DRILLS  
A liquid propellant is burned in the bulk mode and in pulses to produce high combustion pressures with large power outputs. The pulsed high-pressure liquid propellant combustion is used in...
3619917 EARTH MOVING EXPLOSIVE DEVICE  
3482640 BLAST HOLE DRILLING METHOD  
3476194 FLAME JET DRILLING  
3467206 PLASMA DRILLING  
3464506 BLOWER SYSTEM FOR JET PIERCERS  
3463249 METHOD OF FLAME DRILLING WITH ABRASIVES  
3461577 METHOD OF AND AN APPARATUS FOR DISPLACING MATERIALS  
3422911 METHOD AND APPARATUS FOR FLAME WORKING SPALLABLE MATERIAL  
3385381 Mineral working burner apparatus  
3322213 Thermal mechanical mineral piercing  
3318395 Method and apparatus for cutting a hole in the wall of a well  
3255802 Method and apparatus for producing flame jet and controlling temperature and flame stability of same  
3212592 Thermal mechanical mineral piercing  
3211242 Method of flame working materials  
3207238 Thermal piercing control  
3205953 Apparatus for thermal drilling  
3182734 Fusion piercing or drilling machine  
3122212 Method and apparatus for the drilling of rock  
3116798 Rock piercing blowpipe having internal combustion chamber  
3115195 Method of reducing viscosity of drilling fluids during drilling  
3103251 Flame cutting method  
3093197 Method and apparatus for thermally working minerals and mineral-like materials  
3070178 Method of drilling wells with air  

Matches 1 - 50 out of 58 1 2 >