Patents
Patents for E21D 9 - Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries (7,097)
05/2010
05/12/2010CN201460903U Observation window device applied on shield machine
05/12/2010CN201460902U Space enclosing structure favorable for doorway opening
05/12/2010CN1888392B Method for setting up sleeper separately for truck jumbo and electric locomotive
05/12/2010CN1646788B Oscillating disc cutter with speed controlling bearings
05/12/2010CN101705827A Muddy water and air balance shield pressure control method and device
05/12/2010CN101705826A Front shield stable shoe hydraulic system of shield machine
05/12/2010CN101705825A Transport method and equipment in super-large diameter shield method tunnel construction
05/06/2010WO2009158619A3 Worksite avoidance system
05/06/2010DE102007014104B4 Verfahren zum Aufweiten eines Tunnels und Vorrichtung zum Durchführen des Verfahrens A method for widening a tunnel, and device for carrying out the method
05/05/2010CN201448113U Subway communication passage positive and negative arc-shaped movable grid extrusion water-washed type roof pipe tunneling machine
05/05/2010CN1584290B Shielding three-dimensional gesturing precisioning monitoring systems
05/05/2010CN101701523A Grating type trenchless prop excavating equipment and trenchless prop method tunnel excavating process
05/04/2010US7709422 Method and composition for injection at a tunnel boring machine
04/2010
04/29/2010WO2009155110A3 Apparatus and method for monitoring tunnel boring efficiency
04/28/2010EP2179136A1 Semiconductor factory
04/28/2010CN201443406U Multifunctional drilling machine for rock tunnel project
04/28/2010CN201443405U Rotary drilling tool for shield machine
04/28/2010CN101699030A Big underground chamber tunneling method
04/27/2010CA2470449C Method for making a sealed tubular joint with plastic expansion
04/22/2010US20100098496 Tunnel multi gallery
04/21/2010CN101696633A Construction method and equipment for cutting deep-buried structure with small-caliber drill tool
04/21/2010CN101696632A Heading machine and auxiliary device thereof
04/20/2010US7699361 Sealed tubular joint with plastic expansion and at least one inclined surface
04/15/2010DE102008041982A1 Anbaufrässystem mit Schneidköpfen und Fräskette Anbaufrässystem with cutting heads and cutter chain
04/14/2010CN201437730U Dual locking evacuation platform
04/14/2010CN201437729U Cross-shaped intersection for comprehensive pipe canals
04/08/2010US20100086359 Method of directing drilling pattern in curved tunnels, rock drilling rig, and software product
04/07/2010CN201436372U Shading section structure for tunnel
04/07/2010CN201436371U A shield tail brush for a shield machine
04/07/2010CN101303815B Digging guiding device of model shielding machine
04/06/2010CA2679281C Underwater suspended tunnel
04/01/2010US20100078215 Designing drilling pattern for excavating rock cavern
03/2010
03/31/2010CN201433775Y Center cutter shaft of open tunnel boring machine
03/31/2010CN201433774Y Center cutter ring of open tunnel boring machine
03/31/2010CN201433773Y Trapezoidal surface detection device for center cutter support leg of open tunnel boring machine
03/31/2010CN201433772Y Axial fixation device for center cutter of open tunnel boring machine
03/31/2010CN201433771Y Center cutter cover of open tunnel boring machine
03/31/2010CN101684731A Measuring method of tunnel shield posture
03/30/2010US7686542 Method of protecting a surface of rock or soil
03/24/2010CN201428460Y Multifunctional assembled hydraulically-driven moving trestle
03/24/2010CN201428459Y Shield thrust hydraulic system adopting pressure-velocity hybrid control
03/24/2010CN201428458Y Sudden-change load fast response hydraulic control aligning mechanism for shield thrust system
03/18/2010WO2010028953A1 Attachment cutting system having cutting heads and a cutter chain
03/18/2010WO2010007305A3 Method for constructing an underground tunnel or hole to create an impervious plug for the storage of hazardous, particularly radioactive, waste
03/17/2010CN201424940Y Mud cake prevention device for slurry shield machine
03/17/2010CN101672188A Lining heat system used at tunnel portal
03/17/2010CN101672184A Rice character type structure arrangement method of hobs of full section rock digging machine
03/17/2010CN101672183A Long-distance shield propelling method under structure with three closed structure
03/17/2010CN101672182A Method for leading shield to pass through underground structure
03/17/2010CN101672181A Controllable cement backfilling grouting method
03/10/2010EP2160504A1 Tunnel multi gallery
03/10/2010CN101666233A Turning-over working method of shield machine barrel
03/10/2010CN101666232A Construction method of six-zone digging of super cross section tunnel
03/10/2010CN101666231A Shield machine warehouse entry method
03/03/2010CN201416448Y Underground building shaft enclosing structure
03/03/2010CN101663464A Method of directing drilling pattern in curved tunnels, rock drilling rig, and software product
03/03/2010CN101663463A Method of modifying drilling pattern, rock drilling rig, and software product
03/03/2010CN101660420A Deceleration and antiskid marked line suitable for entrance and exit sections of tunnel
03/03/2010CN101660419A Construction method for putting tunnel shield into hole in special stratum
03/03/2010CN101660418A Box culvert jack-in replacement rectangular pipe support method used for tunnel construction
02/2010
02/25/2010US20100044107 Designing drilling pattern for excavating rock cavern
02/24/2010CN201412161Y Composite material evacuation platform
02/24/2010CN201412160Y Single-cave and double-line subway tunnel
02/24/2010CN201412159Y Multifunctional vision buffer bent frame system of road tunnel passageway
02/24/2010CN100591891C Main pipe construction method for laying tunnel structure and construction structure therof
02/23/2010US7665930 Hydraulically powered door and systems for operating same in low-temperature environments
02/17/2010CN201407049Y Energy-saving shield cutterhead closed-loop hydraulic control system adopting grouped energy accumulator
02/17/2010CN201407048Y Screw conveyer blowout prevention gate device
02/17/2010CN201407047Y Shield tunneling machine shield cutter head mechanism
02/17/2010CN201407046Y Wear-resistant center muddler of shield tunneling machine shield cutter head mechanism
02/17/2010CN201407045Y Center muddler of shield tunneling machine shield cutter head mechanism
02/17/2010CN201407044Y Seal retaining ring of shield tunneling machine shield cutter head mechanism
02/17/2010CN201407043Y Force-transmitting ring of shield tunneling machine shield cutter head mechanism
02/17/2010CN201407042Y Engine compartment of shield tunneling machine shield cutter head mechanism
02/17/2010CN101649743A Adjustable propulsion mechanism for soil pressure balance type shield
02/16/2010CA2468886C Method for controlling a drilling sequence, a rock drilling apparatus and a computer programme to form a drilling sequence
02/10/2010CN201401176Y Safe evacuation platform used for a subway tunnel
02/09/2010US7658244 Device for advancing drillings in the ground
02/04/2010US20100028084 Door arrangement for a tunneling machine
02/04/2010US20100025108 Method for drilling rock
02/04/2010CA2674157A1 Door arrangement for a tunneling machine
02/03/2010CN201396066Y Reverse direction hole-guiding machine for PBA border pile construction
01/2010
01/28/2010CA2673729A1 Reinforced mine ventilation device
01/27/2010CN100585124C Shield machine cutting system with knife disc tool cutting and slag-discharging condition monitoring device
01/26/2010US7651170 Bore head for microbore operation
01/21/2010WO2010007305A2 Method for constructing an underground tunnel or hole to create an impervious plug for the storage of hazardous, particularly radioactive, waste
01/20/2010CN201386564Y Disc hob with bearing lubrication and pressure balancing device
01/20/2010CN101629488A Shield machine cutter
01/14/2010WO2010003214A1 Method of reducing stress on tunnel rock face under heavy overburden conditions
01/14/2010WO2010003213A1 Modification to a tbm structure to provide roof support installation
01/14/2010CA2774492A1 Modification to a tbm structure to provide roof support installation
01/13/2010CN201381860Y Pedal for evacuation platform in subways
01/13/2010CN201381859Y Polygonal tube push bench with breaking function
01/13/2010CN101624909A Method for excavating tunnels with small separation distance under condition with shallow embedding, deflection pressing and slab staggering
01/13/2010CN100580222C Development machine for crushing existing concrete conduit
01/13/2010CN100580221C Construction method for shallow soil-covered river bed under shield tunnel
01/13/2010CN100580220C Shield construction method for three-line parallel under-passing trunk railway tunnel
01/05/2010CA2406494C Road works shield and gantry
12/2009
12/30/2009WO2009158619A2 Worksite avoidance system
12/30/2009EP2137377A1 Method of directing drilling pattern in curved tunnels, rock drilling rig, and software product
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