Patents
Sitemap › F42 - Ammunition; Blasting › F42D - Blasting › F42D 3 - Particular applications of blasting techniques
Patents for F42D 3 - Particular applications of blasting techniques (1,720)
11/2012
11/21/2012CN102788539A Side slope outlining blasting method for greening
11/21/2012CN102787864A Quick dredging method of linear deep slip shaft of underground mine
11/21/2012CN102787843A Dirt band-containing coal seam working surface mining process
11/20/2012US8314283 Medical wraps
11/14/2012CN102778183A Blast construction method
11/14/2012CN102778182A Beside-roadway escribing pressure relief method of roadway driving along gob of small coal pillar influenced by dynamic pressure
11/14/2012CN102778181A Ultra-fast closing device for implosion compression pipeline
11/14/2012CN102777181A Method for recovering top coals in advance on full-mechanized caving mining face
11/07/2012CN101799262B Smoothwall blasting method for digging tunnel
11/06/2012US8302523 Explosive well tool firing head
11/01/2012WO2012095687A3 Safety collar of a blasting cartridge
10/2012
10/31/2012CN202511722U Tunnel smooth surface and presplit blasting hole-distributing ruler
10/31/2012CN101319862B Novel horizontal trenching and vertical deep borehole initiation method for deep concave strip mine
10/24/2012CN101737050B Deep hole arranging method in mining
10/18/2012WO2012140102A1 Igniter with a multifunctional plug
10/18/2012CA2833067A1 Igniter having a multifunctional plug
10/17/2012EP2510306A1 Avalanche-inducing device
10/17/2012CN202494392U Casing pipe device of blasting fuse
10/17/2012CN202491770U Explosive collision buffering bag
10/17/2012CN102735126A Millisecond blasting ore-waste separating method of gentle-inclined narrow ore body
10/17/2012CN102733808A Method for stoping pit-closed surface mine ore
10/10/2012CN202476074U Material dispersing device with high-energy liquid explosion system
10/10/2012CN101545747B Charging structure for directional pressure relief vibration isolation blasting
10/04/2012WO2012131525A1 Charging of blasting boreholes
10/04/2012US20120252070 Biomass shock pretreatment
10/03/2012CN202470923U Disposable action mechanism capable of accurately controlling output power
10/03/2012CN202470921U Electric excitation device for engineering blasting
10/03/2012CN102706226A Powder charging method for preventing collapse of drilled hole in deep hole blasting engineering
10/03/2012CN102706225A Loading method suitable for field mixed loading of explosive and tool used for method
10/03/2012CN102696315A High-energy liquid explosion separated-scattering device and high-energy liquid explosion separated-scattering method
10/03/2012CN102696314A High-energy liquid blasting farm-oriented material throwing device and throwing method
10/03/2012CN102696313A High-energy liquid blasting separated type farm-oriented material throwing device and throwing method
10/03/2012CN101972768B Method for breaking scrap
10/03/2012CN101308007B Synchronization control processing method and system
09/2012
09/27/2012US20120242135 Method of underground rock blasting
09/26/2012CN202452904U Controlled blasting device for improving stable angle of stepped deep hole blasting slope of surface mine
09/26/2012CN102692164A Stress unloading, water injecting and drilling and blasting method for longitudinal structure surface structural strong rockburst regions
09/26/2012CN102011382B Energy-gathering followup icebreaker and ice breaking method
09/19/2012CN202435817U High-energy hydraulic-destructive agricultural-material scattering device
09/19/2012CN102679826A Method for precisely excavating directional window on high and large concrete chimney
09/19/2012CN102678117A Directional hydraulic fracturing method based on energizing blasting
09/19/2012CN102678049A Circular cutting drill bit, rotary drilling machine and rock drilling method adopting static blasting
09/18/2012US8267013 Breaching apparatus for use with explosive charges
09/13/2012US20120227608 Electronic detonator system
09/12/2012CN102661688A Pile foundation control blasting excavation method of integral-plate rocky area
09/11/2012CA2596099C Blasting methods and apparatus with reduced risk of inadvertent or illicit use
09/05/2012CN202420321U Mechanical explosive loading device
09/05/2012CN202420319U Device for automatically arranging and winding flexible pipes used for explosive filling
09/05/2012CN202406502U High-energy liquid-explosion isolation type material spreading device
09/05/2012CN202406501U Stand-by device for high-energy liquid explosion material scattering
09/05/2012CN101858715B Method for recognizing and positioning misfired blasting cartridges in blasting
09/05/2012CN101672613B Vibration-reducing blasting construction method of air spring
09/04/2012US8256349 Tracking system for blast holes
08/2012
08/30/2012WO2012115397A2 Blasting method using a control device for inducing a blast pressure, and control device for inducing the blast pressure to apply the method
08/29/2012CN101660889B Inert gas exploder
08/22/2012EP1307765B1 High energy explosive for seismic methods
08/22/2012CN101660890B Method for demolishing surface mine underground reinforced concrete constructional work by blasting
08/22/2012CN101419041B Deep hole blasting process in frost weathering bedrock segment
08/08/2012EP2483630A1 A method of underground rock blasting
08/08/2012CN202372074U Concrete pipe cutting circular disk
08/08/2012CN102628660A Mine-used interlocking detonating method and mine-used interlocking detonating system
08/01/2012CN102620616A Step type method for advance tunneling synchronous optical blasting roadway construction
08/01/2012CN102620615A Coal face blasting charge method
08/01/2012CN102620614A Construction method for cave depot slag funnel
08/01/2012CN102620612A Deep-hole blasting method in underground mine
08/01/2012CN102619517A Overlaying rock cemented pillarless sublevel caving method
07/2012
07/31/2012US8231816 Medical wraps
07/25/2012CN102607353A Open bench inter-hole differential control blasting method
07/25/2012CN102607352A Tunnel full-section excavation blasting method
07/25/2012CN102607350A Pneumatic loading equipment for bulk emulsified base in tunnel engineering
07/25/2012CN102607343A Tunnel blasting excavation method
07/25/2012CN102607342A Blasting method controlling damage of damage rings of tunnel
07/25/2012CN102607341A Stable-control blasting method for open-pit mine slopes
07/25/2012CN102173969B Low-detonation-velocity high-brisance explosion cladding explosive and use method thereof
07/25/2012CN101598523B Blasting network reliability test tracer method
07/24/2012CA2476134C Device for placing two destructive conduits in communication
07/19/2012WO2012095779A1 Non-explosive rock breaking
07/19/2012WO2012095687A2 Safety collar
07/18/2012EP2476994A1 Explosion method and assembly of multiple boreholes for filling with explosives
07/18/2012CN102589373A Disposable acting mechanism capable of precisely controlling output power
07/18/2012CN102589371A Blasting demolition method for large board rooms
07/18/2012CN102589370A Underwater blasting explosive bin installation equipment and installation and blasting method
07/18/2012CN102587912A Rock breaking
07/17/2012CA2630850C Device and method for explosive drilling
07/11/2012EP2474806A2 Cartridge for breaking rock
07/11/2012CN202329443U Detonating cord fixing clip
07/11/2012CN102575922A Blasting cartridge, demolition device, and demolition method
07/11/2012CN102564252A Combined gun blocking device
07/11/2012CA2763990A1 Rock breaking
07/10/2012US8215235 Breaching apparatus for use with explosive charges
07/04/2012CN202304647U 一种井下自动装药机 A downhole automatic Charge Machine
07/04/2012CN202304644U 炮孔装药高度提示装置 Highly suggestive of blasthole charge device
07/04/2012CN102549373A A method of underground rock blasting
07/04/2012CN102538604A Double-focusing linear jet cutter
07/04/2012CN102538603A Mechanical explosive-filling device and method for filling explosive by using same
07/04/2012CN102536252A Method for digging backward hole of tunnel with quite small clear distance
07/04/2012CN102536251A Adjacent construction excavating method for upper and lower dual-layer tunnel
07/04/2012CN102536241A Tilting ore body stoping process
07/04/2012CN101598522B Delivery and initiation device for deflagration and fracturing liquid explosive in hydraulic fracture and application thereof
07/04/2012CN101338999B Method for blasting seepage enhancement for low infiltration sandrock -type uranium deposit
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