| Patents for E21D 1 - Sinking shafts (447) |
|---|
| 02/26/2015 | WO2015024069A1 Skip and crosshead |
| 02/12/2015 | US20150042145 Method and apparatus for introducing or sinking cavities in rock |
| 01/14/2015 | CN103046931B 一种竖井/导井冲击式钻机冲击成孔施工方法 One kind of shaft / guide shaft Impact Impact Drill Hole Construction Method |
| 01/08/2015 | DE102013212098A1 Vorrichtung zum Abteufen eines Schachts und Verfahren zum Abteufen eines Schachts Apparatus for drilling a well and method for drilling a shaft |
| 01/07/2015 | CN204082001U 钻井法凿井垂直钻进钻具 Shaft Drilling vertical drilling drill |
| 12/25/2014 | US20140374161 Device for enlarging caisson bases |
| 12/24/2014 | CN103277103B 一种立井开凿穿越巨厚富水基岩非全深冻结方法 Shaft sinking one kind of water-rich bedrock through thick non-full deep freeze method |
| 12/10/2014 | CN104196449A 钻井法凿井垂直钻进钻具 Shaft Drilling vertical drilling drill |
| 12/09/2014 | US8905486 Underground mining |
| 11/18/2014 | US8887833 Reamer assembly |
| 08/13/2014 | CN103982195A 全断面掘进机 TBM |
| 08/13/2014 | CN102505944B 缓凝水泥浆液置换冻结孔泥浆封水方法 The freezing mud hole sealing water displacement method retarding cement slurry |
| 07/30/2014 | CN203742602U 中心立柱全断面竖井钻机 Center Column Shaft rig full section |
| 07/30/2014 | CN102619213B 双循环系统冻结器 Double-loop system freezer |
| 07/23/2014 | CN103939105A 一种于地下工程上方布设施工竖井的施工方法和结构 A layout construction methods and structural construction shaft above the underground works |
| 07/23/2014 | CN103938665A 煤矿打立井用挖掘装载机 Mine Shaft playing with Backhoe |
| 07/16/2014 | CN103924979A 一种冻结供液管拔取装置 One kind of freeze liquid supply tube extractor device |
| 07/16/2014 | CN103924978A 冻结法凿井内层井壁的施工方法 Construction method inner wall of freezing sinking |
| 07/16/2014 | CN103924977A 中心立柱全断面竖井钻机 Center Column Shaft rig full section |
| 07/02/2014 | CN103899316A 新型钻井法竖井钻机 The new law shaft drilling rig |
| 07/01/2014 | US8763344 Method for erecting an underground construction |
| 06/26/2014 | DE102012025395A1 Vorrichtung zum Abteufen eines Schachts Apparatus for drilling a shaft |
| 06/25/2014 | CN102644465B 一种竖井溶洞回填处理施工方法 One kind of shaft cave backfill construction methods |
| 06/24/2014 | US8757731 Method for introducing a vertical shaft and shaft driving machine |
| 06/18/2014 | CN203655297U 一种冻结管特殊注浆装置 One kind of freezing pipes special grouting equipment |
| 06/11/2014 | CN203640739U 一种推进、切向力承载一体的支撑结构 One kind of advance, tangential force carrying one of the supporting structure |
| 06/11/2014 | CN103850685A Heading machine applicable to drill vertical well through pioneer well |
| 06/11/2014 | CN103850684A Sinking technology for expanding pilot well drilled by raise-boring machine, by using vertical well heading machine |
| 06/11/2014 | CN102561409B Construction method for reducing frost heaving effect borne by derrick foundation |
| 06/04/2014 | CN203626843U 一种适合有导井钻进竖井的掘进机 One suitable drilling wells with guide shaft boring machine |
| 05/28/2014 | CN203614106U 可调控吸热能力的冻结器 Adjustable heat absorption capacity freezer |
| 05/28/2014 | CN103821519A 一种推进、切向力承载一体的支撑结构 One kind of advance, tangential force carrying one of the supporting structure |
| 05/28/2014 | CN102119262B 引入垂直轴的方法以及轴掘进机 The method of introducing the vertical axis and the shaft boring machine |
| 05/22/2014 | WO2014078878A1 Shaft sinking apparatus and method |
| 05/21/2014 | CN203603910U 全断面竖井钻机 Full section shaft drilling rig |
| 05/21/2014 | CN103806916A 一种盾构快速检修井的施工工艺 A shield tunneling process quick overhaul wells |
| 05/07/2014 | CN203584432U 竖井掘进机 Shaft Boring Machine |
| 04/30/2014 | CN103758525A Impact multipurpose tool |
| 04/30/2014 | CN103758524A Stage blasting tunneling vertical shaft construction method |
| 04/23/2014 | CN203559902U A manual type top drive freezing pipe lowering device |
| 04/23/2014 | CN103742154A Shield tunnel ventilation shaft construction method |
| 04/09/2014 | CN102635359B Energy-saving rapid construction method for ventilating shafts of tunnels |
| 04/02/2014 | CN103696774A Development method of blind shaft frame for surface and underground parallel construction |
| 03/26/2014 | DE202012012349U1 Vorrichtung zum Abteufen eines Schachts Apparatus for drilling a shaft |
| 03/26/2014 | CN203499692U Special-shaped shaft adopted for subway construction under pipeline conditions |
| 03/26/2014 | CN103670420A Full-fracture-surface vertical shaft drilling machine |
| 03/19/2014 | CN203488180U Wedge-shaped hard alloy tooth conical hob device for shaft drilling machine |
| 03/19/2014 | CN203488107U Novel coalmine-production and shaft-sinking dual-purpose head frame |
| 03/19/2014 | CN103643957A Vertical shaft heading machine and vertical shaft rock breaking method thereof |
| 03/12/2014 | CN203476337U Shield shaft concrete fender post and multi-layer plane frame combination supporting structure |
| 03/12/2014 | CN203476336U Shield tunneling machine for shaft |
| 03/12/2014 | CN203476335U Shaft TBM device |
| 03/12/2014 | CN103628882A Construction method of enclosure structure of working well |
| 03/12/2014 | CN102536246B Series connection process device for freezing pipes of pitshaft of overlength inclined shaft |
| 03/12/2014 | CN102472101B Forming shaft for underground mine |
| 03/05/2014 | CN103615252A Construction process of subway shield shaft single-layer main body structure |
| 02/26/2014 | CN203452794U Brine recycling device |
| 02/19/2014 | CN203441496U Pipe cutter |
| 01/08/2014 | CN203384572U Mud buffer |
| 01/01/2014 | EP2678529A1 Method for emergency rescue of personnel during shaft sinking |
| 01/01/2014 | EP2678527A1 Method for shaft sinking |
| 12/18/2013 | CN103453031A Universal joint rotator of center revolving motor |
| 12/18/2013 | CN103452561A Vertical in-tunnel construction method of multilayer transverse channel of underground excavation station of metro, and construction method on east side and west side |
| 12/18/2013 | CN103452560A Tube cutter |
| 12/18/2013 | CN103452559A Vertical shaft shield tunneling machine |
| 12/18/2013 | CN103452507A Air and water linkage device of hydraulic rock drilling machine |
| 12/17/2013 | US8607480 Earth moving bucket |
| 12/11/2013 | CN203335083U Freezing pipe and freezer |
| 12/04/2013 | CN103422862A Ultra-large hole-diameter drilling shaft drilling method |
| 11/26/2013 | US8591151 Forming a shaft for an underground mine |
| 11/13/2013 | CN203285440U Vertical shaft rotation excavation mucking machine |
| 11/06/2013 | CN203271746U Saline water freezing device with automatic leveling function |
| 11/06/2013 | CN102239309B Method for erecting an underground construction |
| 10/31/2013 | WO2013162408A1 Shaft lining, system for constructing such a lining and method for constructing such a lining |
| 10/31/2013 | DE102012010639A1 Method for advancing inclined haul heading coming out of ground, involves drilling freezing holes upto carbonaceous mountain or non-water-guiding mountain to be provided with down pipes in area of water-guiding formation |
| 10/24/2013 | US20130277117 Method for introducing a vertical shaft and shaft driving machine |
| 10/02/2013 | CN103334757A Freezing pipe, frigo, and method of excavating rock-soil by adopting freezing method |
| 09/18/2013 | CN103306678A Salt water freezing device with automatic balance adjustment function |
| 09/04/2013 | CN103277103A None-full-depth freezing method for penetrating through ultra-thick water-rich bed rock in shaft deepening |
| 09/03/2013 | CA2731400C Method for introducing a vertical shaft and shaft driving machine |
| 08/01/2013 | WO2013110148A1 Device for enlarging caisson bases |
| 07/31/2013 | CN203096720U Freezing pipe capable of exhausting |
| 07/31/2013 | CN203096719U Novel freezing pipe |
| 07/25/2013 | DE202013000581U1 Betonfertigteil mit integriertem Wärmespeicher Precast concrete with integrated heat storage |
| 07/24/2013 | CN203081452U Compound double-layer freezing shaft wall with sprayed film interlayer |
| 07/24/2013 | CN103215947A Novel freezing pipe |
| 07/03/2013 | EP2610587A1 Underground Soil Excavation |
| 07/03/2013 | EP2610586A1 Underground soil excavation |
| 06/26/2013 | CN203022640U Dual-purpose steel headframe for shaft sinking and production of vertical shaft of mine |
| 06/26/2013 | CN102278116B Device and method for manufacturing underground frozen wall in cold areas in winter |
| 06/19/2013 | CN103161469A Method for excavating vertical shaft to underground repair pipe-jacking tool pipe |
| 06/12/2013 | CN202989904U Liquid nitrogen freezer |
| 06/05/2013 | CN202972378U Freezing pipe heat insulation device |
| 06/05/2013 | CN103133821A Freezing pipe heat insulation device |
| 05/30/2013 | WO2013077595A1 Seabed drilling and vertical shaft construction method |
| 05/29/2013 | CN101749028B Cross-pulling construction method for soft soil zone with high ground water level |
| 05/08/2013 | CN202926335U Multipurpose heading machine |
| 05/08/2013 | CN103088810A Freezing pipe capable of exhausting air |
| 05/08/2013 | CN101660393B Assembling and disassembling tool of drill |
| 04/24/2013 | CN102230379B Saline flow detection device of freezer |