Patents
Patents for F42D 1 - Blasting methods or apparatus, e.g. for loading or tamping (4,148)
08/1999
08/05/1999WO1999039156A1 Emergency exit for safety motor vehicles
08/04/1999EP0753096A4 Controlled fragmentation of hard rock by pressurization of the bottom of a drill hole
07/1999
07/27/1999CA2116463C Method and apparatus for charging bore-holes with explosive
07/14/1999CN2328980Y Full closed micro exploders
07/13/1999CA2133161C Electronic blast control system for downhole well operations
07/07/1999CN1222230A System for pneumatic delivery of emulsion explosives
06/1999
06/30/1999EP0925481A1 Method and device for producing explosives and filling of shot and blast holes
06/30/1999EP0925479A1 System for the pneumatic delivery of emulsion explosives
06/30/1999CN1221105A Blasting method controlled by middle solid elastic medium
06/17/1999WO1999029540A1 Ignition circuit and method for operating the same
06/17/1999DE19754654A1 Zündschaltung und Verfahren zum Betreiben einer Zündschaltung, insbesondere in einem Kraftfahrzeug-Insassenschutzsystem Firing circuit and method for operating a firing circuit, in particular in a motor vehicle occupant protection system
06/16/1999CA2557913A1 Blasting machine and method
06/15/1999US5912435 Circuit arrangement having a plurality of circuit units and a common multi-wire cable
06/09/1999CN1219160A Connector for blast initiation system
06/09/1999CN1043587C Method for filling sensitized fluid explosive into blast hole and portable device for said method
06/02/1999EP0918667A1 Release device for a restraint system in a motor vehicle
06/02/1999EP0532729B1 Electrical connector
05/1999
05/26/1999CN1217784A Electronic explosives initiating device
05/25/1999US5907132 To image the subterranean below the surface near a shot point
05/25/1999US5907119 Emulsion blasting agent that contains urea as a chemical inhibitor in its discontinuous oxidizer salt solution phase acts to suppress the rapid, energetic reaction of residual nitrates or nox
05/20/1999WO1999024776A1 Controlled electromagnetic induction detonation system for initiation of a detonatable material
05/20/1999CA2308392A1 Controlled electromagnetic induction detonation system for initiation of a detonatable material
05/12/1999CN2318601Y Sectional charging tamping bar for deep-hole blasting
05/04/1999US5900578 Method of breaking slabs and explosive shock transmitting and moderating composition for use therein
04/1999
04/28/1999CN2316625Y High-efficient blasting cleavage controlling tube
04/14/1999CN2314339Y Connector casing for explosive charges in deep holes
04/14/1999CN2314338Y Small element exploder
04/14/1999CN1214033A Secure connector for blast initiation signal transfer
04/14/1999CN1214032A Method and appts. for transfer of initiation signals
04/13/1999US5894103 Detonator circuit
04/07/1999CN1213358A Slider member for booster explosive charges
03/1999
03/30/1999CA2151911C Digital delay unit
03/25/1999WO1999014554A1 Method for loading slurry explosives in blast holes or cartridges
03/17/1999CN2310978Y Network locked exploders
03/10/1999EP0900354A1 Method of detonator control with electronic ignition module, coded blast controlling unit and ignition module for its implementation.
02/1999
02/23/1999US5874688 Explosives dispersed from a pressurized container
02/17/1999EP0897098A2 Firing systems including a controller which is connectable by electrical wires
02/13/1999CA2245026A1 Multi-shot blasting system and method
02/03/1999EP0895055A2 Method of preventing afterblast sulphide dust explosions
02/03/1999EP0792536B1 Electrical distribution system
01/1999
01/28/1999WO1998030864A3 Blasting with shock absorbing gel
01/27/1999CN1206391A Process and apparatus for manufacture of emulsion explosive composition
01/20/1999EP0793799B1 Detonator circuit
12/1998
12/23/1998EP0885372A1 Process for sinking and sealing a blast hole
12/10/1998WO1998055805A1 Method and apparatus for charging boreholes with explosives
12/09/1998CN1201517A Method and apparatus for blasthole stemming
12/02/1998CN1200716A Connector block for blast initiation systems
12/02/1998CN1200715A Connector block having detonator-positioning locking means
11/1998
11/25/1998EP0879393A1 Electronic explosives initiating device
11/24/1998US5841060 Blast plug
11/24/1998US5841055 Method for controlled refining of explosive compositions
11/19/1998DE19720064A1 Demolition triggering device
11/18/1998EP0877723A1 Slider member for booster explosive charges
11/11/1998CN1198812A Method and apparatus for controlled small-charge blasting of hard rock and concrete by explosive pressurization of the bottom of a drill hole
11/11/1998CN1198794A Method for controlled fragmentation of hard rock and concrete by the combination use of impact hammers and small charge blasting
11/04/1998EP0874793A1 Secure connector for blast initiation signal transfer
11/04/1998EP0874792A1 Connector for blast initiation system
11/03/1998US5831203 High impedance semiconductor bridge detonator
10/1998
10/29/1998DE19818533A1 System positioning and anchoring explosive charge downhole for seismic exploration in the borehole
10/28/1998EP0873287A2 Method and apparatus for transfer of initiation signals
10/27/1998CA2155839C Detonation device including coupling means
10/22/1998WO1998046546A1 Clamping joint for joining a blasting cable to a fuze
10/22/1998DE19715738A1 Klemmverbinder zum Verbinden einer Sprengschnur mit einem Zünder Clamping connector for connecting a detonating cord with an igniter
10/08/1998WO1998043930A1 Joining element for connecting a detonating cord to a detonator
10/08/1998DE19713599A1 Verbindungselement zum Verbinden einer Sprengschnur mit einem Zünder Connecting member for connecting a detonating cord with a fuze
09/1998
09/24/1998WO1998041811A1 Device to facilitate the placing of slurries in up-holes
09/22/1998US5811894 For use in an oil or gas production installation
09/22/1998US5811711 To a borehole
09/22/1998US5810098 Method of breaking slabs and blocks of rock from rock formations and explosive shock transmitting and moderating composition for use therein
09/11/1998WO1998039615A1 High impedance semiconductor bridge detonator
09/11/1998CA2279924A1 High impedance semiconductor bridge detonator
09/08/1998US5803550 Method for controlled fragmentation of hard rock and concrete by the combination use of impact hammers and small charge blasting
09/08/1998US5803172 Mine shaft and adit closure apparatus and method
09/03/1998WO1998038470A1 Well boring with blasting agents
09/03/1998DE19807386A1 Sprengperforationsvorrichtung für Bohrlöcher Sprengperforationsvorrichtung for wells
09/03/1998CA2282324A1 Well boring with blasting agents
09/02/1998EP0861220A1 Connector block having detonator-positioning locking means
09/02/1998CN1192269A Electronic delay detonator
08/1998
08/26/1998CN1039602C Coated stemming
08/25/1998US5798486 Casing for a junction in a flat cable
08/20/1998DE19705368A1 Testing method for automobile passenger restraint release device
08/19/1998CN2288412Y Full-automatic exploder
08/12/1998EP0857168A1 Connector block for blast initiation systems
08/11/1998US5792975 Connector block having detonator-positioning locking means
07/1998
07/16/1998WO1998030864A2 Blasting with shock absorbing gel
07/14/1998US5780764 Booster explosive devices and combinations thereof with explosive accessory charges
07/08/1998EP0828988A4 Programmable electronic timer circuit
06/1998
06/30/1998CA2225573A1 Bulk handling of material
06/24/1998EP0849562A2 Connectors for wired networks for detonators
06/16/1998US5767437 Digital remote pyrotactic firing mechanism
06/09/1998CA2110638C Expansion foam borehole plug and method
06/03/1998EP0845652A2 Explosive train
05/1998
05/27/1998EP0843807A1 Electronic delay detonator
05/27/1998EP0843774A1 Method for controlled fragmentation of hard rock and concrete by the combination use of impact hammers and small charge blasting
05/26/1998US5756926 EFI detonator initiation system and method
05/26/1998US5756925 Precision flyer initiator
05/22/1998WO1998021544A1 Excavation method by blasting
05/14/1998WO1998020296A1 Stemming arrangement and method for blast holes
05/14/1998WO1998020295A1 Inflatable plugs for charging blastholes
05/14/1998CA2270997A1 Stemming arrangement and method for blast holes
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