Patents
Patents for F42D 3 - Particular applications of blasting techniques (1,720)
01/1990
01/04/1990DE3821899A1 Method for the removal of contaminated heterogeneous mixtures from landfill sites or the like
01/03/1990EP0348720A2 Method for the removal of layers adhering to the surfaces of walls
11/1989
11/30/1989DE3913379A1 Method and arrangement for non-mechanical destruction of concrete/reinforced concrete and rocks
11/14/1989US4879890 Explosive expansion of metal tubes
11/09/1989DE3814746A1 System zur verspannung einer sprengladung in einem bohrloch System for stress busting a charge in a borehole
10/1989
10/17/1989US4873928 Nuclear-sized explosions without radiation
09/1989
09/08/1989WO1989008234A1 Process and device for triggering an avalanche
09/07/1989DE3806232A1 Explosive method for cleaning steel pipes to which concrete has adhered
09/06/1989EP0331399A1 A method of fragmentation blasting
08/1989
08/23/1989CN1034975A Blasting wedge method
07/1989
07/19/1989EP0324723A2 Method for starting avalanches, and device therefor
07/12/1989CN1033875A Apparatus of blasting undersea rocks
05/1989
05/24/1989EP0136321B1 Method for breaking up a thick wall container by using an explosion technique
05/23/1989CA1254446A1 Acoustical mooring release system
04/1989
04/26/1989CN2036651U Powder bag for interval blasting explosive
04/12/1989EP0311025A2 Device for shattering or splitting rocks or concrete by using a propellant charge and a liquid placed before said charge
04/04/1989US4817529 Process and apparatus for automatically positioning an explosive charge above the surface of snow
03/1989
03/22/1989EP0308054A1 Explosive expansion of metal tubes
03/02/1989DE3811856A1 Process for the biological decontamination of soils
02/1989
02/15/1989EP0303198A1 Cartridge for expelling liquids by means of pressure
11/1988
11/29/1988US4787315 Apparatus for severing tubular members
08/1988
08/09/1988US4762126 Shock wave generating apparatus
07/1988
07/28/1988DE3701133A1 Explosive-cutting method for thick-walled steel pipes
07/13/1988CN85105445B High energy ship propeller-stripping method
07/06/1988CN86108767A Explosion pressure controlling method and device for quarrying rocks
05/1988
05/04/1988EP0161311B1 Process for building by sectors a slit trench foundation wall
03/1988
03/30/1988CN87213616U Charging apparatus for locating explosive into soft base under water
03/24/1988DE3631249A1 Cartridge
03/01/1988US4727669 Firing mechanism
02/1988
02/10/1988CN86104872A Cutting explosion method using special-shaped hole
02/02/1988US4722281 Intermittent explosion apparatus and method of using such apparatus
01/1988
01/07/1988DE3621916A1 Method for producing an anti-tank ditch
11/1987
11/04/1987EP0243745A1 Pyrotechnic dowel
11/04/1987CN85102321A Comprehensive rock-breaking technique for rock tunnel engineering
09/1987
09/30/1987CN87102363A Blowing of marble and granite by cushioned and pressure stabilized effect
09/08/1987US4691803 Projectile powered piston
08/1987
08/19/1987CN87102234A Blasting technique with indirect energy
05/1987
05/20/1987CN86106935A Blast wave generating apparatus
05/13/1987CN86107202A 间歇爆炸装置 Intermittent explosive devices
05/06/1987CN86201382U Equipment for rock blasting
04/1987
04/29/1987EP0219820A2 Intermittent explosion apparatus
04/29/1987EP0219819A2 Shock wave generating apparatus
04/09/1987DE3600100C1 Pipe cleaning device for removing coarse soiling
03/1987
03/25/1987CN85105789A Method to cut marble and granite, device to concentrate energy in hole and cutter
01/1987
01/21/1987CN85105445A High energy ship propeller-stripping method
12/1986
12/04/1986WO1986007000A1 Explosive cutting means
10/1986
10/14/1986US4616590 Acoustical mooring release system
07/1986
07/23/1986CN85100973A Under water explosion cutter
05/1986
05/21/1986EP0181378A1 Acoustical mooring release system
04/1986
04/15/1986CA1203120A1 Shaped charge warhead construction
03/1986
03/10/1986CN85106141A Borehole plug
11/1985
11/21/1985WO1985005174A1 Acoustical mooring release system
05/1985
05/29/1985EP0142717A1 Blasting device for precision blasting
05/23/1985WO1985002212A1 Process for building by sectors a slit trench foundation wall
04/1985
04/10/1985EP0136321A1 Method for breaking up a thick wall container by using an explosion technique.
03/1985
03/26/1985CA1184429A2 Non-electric blasting assembly
03/19/1985CA1184039A2 Methods, apparatus and pyrotechnic compositions for severing conduits
02/1985
02/26/1985US4501199 Automatically controlled rock drilling apparatus
01/1985
01/15/1985US4493260 Annular shaped charge for breaching masonary walls
10/1984
10/30/1984CA1176973A1 Process for enlargement of rock fissures
09/1984
09/13/1984WO1984003556A1 Method for breaking up a thick wall container by using an explosion technique
05/1984
05/29/1984US4451178 Method for dispersing or arresting lava flow
05/23/1984EP0109067A1 Process and apparatus for breaking up hard compact material
05/15/1984CA1167370A1 Methods, apparatus and pyrotechnic compositions for severing conduits
05/15/1984CA1167316A1 Blasting installation including guided carriage with drilling and explosing loading means
05/09/1984EP0108013A1 Device and projectile for precipitating avalanches
01/1984
01/03/1984US4424086 Pyrotechnic compositions for severing conduits
10/1983
10/12/1983EP0091350A1 Remotely manipulable device for cutting plates and tubes in dangerous surroundings
10/11/1983US4408663 Process for enlargement of rock fractures
10/11/1983US4408535 Explosive cutting means
04/1983
04/05/1983US4378997 Hydration-expansive crushing cartridge
02/1983
02/08/1983CA1140948A1 Demolition agent, its preparation and its use
02/08/1983CA1140808A1 Explosive package assembly
01/1983
01/19/1983EP0069817A2 Bulk blasting
01/04/1983US4367021 Method and apparatus in tunneling
12/1982
12/28/1982CA1138190A1 Distance compensating deflected light beam pattern projector
11/1982
11/09/1982US4357873 Apparatus for destroying structures such as concrete walls
10/1982
10/19/1982US4354877 Demolition agent, its preparation and its use
10/05/1982US4352397 Methods, apparatus and pyrotechnic compositions for severing conduits
09/1982
09/21/1982US4350392 Coal extraction in a longwall working
08/1982
08/11/1982EP0057308A1 Apparatus and method of blasting undersea rocks
07/1982
07/20/1982US4339995 Method for destroying structures such as concrete walls
07/20/1982CA1128188A1 Distributed charge for seismic prospecting
05/1982
05/18/1982CA1123726A1 Explosive fracturing of deep rock
02/1982
02/16/1982CA1118276A1 Extended shaped charge
02/02/1982US4313380 Distributed charge for seismic prospecting
01/1982
01/06/1982EP0043215A1 Explosive cutting means
09/1981
09/01/1981US4286520 Linear explosive charge with constant detonation velocity and synchronous booster charges
08/1981
08/18/1981US4284224 Riveting device using a shaped charge
07/1981
07/28/1981US4280407 Explosive package assembly
05/1981
05/13/1981EP0028513A1 A method of demolition and method of preparing a demolition agent
04/1981
04/21/1981CA1099590A1 Shaped charge with enhanced penetration
01/1981
01/28/1981EP0022807A1 Process and device of controlled triggering of avalanches
12/1980
12/16/1980US4239286 In situ leaching of ore bodies
11/1980
11/26/1980EP0019481A1 Explosive package assembly
08/1980
08/26/1980CA1084340A1 Plant for blasting of objects such as rock, concrete, and the like
07/1980
07/24/1980WO1980001511A1 Process and device of controlled triggering of avalanches
05/1980
05/15/1980WO1980001003A1 Method and apparatus in tunnelling
01/1980
01/09/1980EP0006814A2 Riveting device using a hollow charge
11/1979
11/13/1979CA1066310A1 Method of extracting coal
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