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