Patents for E21D 9 - Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries (7,097) |
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07/05/2007 | US20070151761 Automated drill string position survey |
06/27/2007 | CN1989314A Method and tunnel drilling machine or selective cutting machine for driving a tunnel borehole |
06/27/2007 | CN1987047A Horizontal rotary spray composite pipe pressure-reducing mud discharging device |
06/26/2007 | CA2361657C Cutting device |
06/20/2007 | CN1982650A Composite balancing earth-pressure shielding machine |
06/19/2007 | CA2534958A1 Rock drilling machine and rock drilling system |
06/14/2007 | DE10150685B4 Arbeitskopf mit veränderbarem Schneidabstand der Schneidrollen für eine Vorrichtung zum Vortreiben von Strecken, Tunneln oder dergleichen Working head with variable cutting distance of the cutting wheels of a device for propelling routes, tunnels or the like |
06/13/2007 | EP1795700A1 Shield tail sealing paste |
06/13/2007 | CN1321258C Two-circle shield method tunnel lining structure |
06/06/2007 | EP1616072B1 A rock drill bit assembly |
06/06/2007 | CN1975112A Shield tunnel subsidence control method based on exploring radar |
05/31/2007 | DE102006056263A1 Sealing paste for sealing the shield tail during shield driving in tunnel construction is in the form of a mineral fiber matrix and consists of a layer material, water, fillers, compounds and a plant oil |
05/30/2007 | CN2906065Y Underground conduit tunnelling machine |
05/30/2007 | CN2906064Y Structure improvement of mini-sized tunnelling machine |
05/30/2007 | CN1973113A Advancement of pipe elements in the ground |
05/16/2007 | CN2900754Y Double layer slide frame propeller for drill vehicle |
05/16/2007 | CN1963375A Sleeve bore multidot tensiometer |
05/03/2007 | US20070098503 Precast concrete bridge assembly |
05/02/2007 | EP1779021A1 Method for interrupting an existing pipeline and for simultaneously forming a new pipeline in the ground, and pipe laying device for carrying out the method |
05/02/2007 | CN2895693Y Non-digging underground pipeline hole-wall expansion-fore propeller |
04/26/2007 | US20070090678 Rock boring device |
04/26/2007 | US20070089906 Boring machine |
04/25/2007 | CN1952350A Rapid-construction method for rapid change of small-section into large-section tunnel |
04/24/2007 | US7207632 Shield system for coal mining |
04/19/2007 | US20070087343 Method of detecting gene expression and kit and apparatus to be used therein |
04/19/2007 | US20070085409 Method and means for processing oil sands while excavating |
04/19/2007 | DE10230240B4 Verfahren zum Betrieb eines Fahrweges eines spurgebundenen Fahrzeuges und Fahrweg Method for operating a route a tracked vehicle and infrastructure |
04/18/2007 | EP1592860A4 Tunnel boring apparatus |
04/12/2007 | DE102005038313A1 Device for measuring the geological storage compactness and for detecting hollow chambers of an advancing tunnel used in tunnel construction comprises a probe, a drive unit and a measuring unit |
04/04/2007 | EP1769136A1 Method and tunnel drilling machine or selective cutting machine for driving a tunnel borehole |
04/04/2007 | CN1308571C Shield tunneling method and shield tunneling machine |
04/04/2007 | CN1308570C Tunnel boring method and aqueous foam used therein |
03/29/2007 | US20070069570 Optical Disc Destruction Device |
03/28/2007 | CN1936270A Multilayer enclosing-rock cement-grouting consolidation ring tunnel bearing structure and its construction method |
03/21/2007 | CN1932244A Construction method for double-circular shield near-distance passing through building or structure |
03/21/2007 | CN1932243A Double-circular shield shallow earthing construction method |
03/21/2007 | CN1932169A Analogue experiment stand for interreaction of tunnel structure, surrounding rock and underground water |
03/20/2007 | US7192092 Method and means for recovering hydrocarbons from oil sands by underground mining |
03/15/2007 | WO2007028503A1 Arrangement for extracting extraction products in underground extraction operations in caving |
03/15/2007 | DE102005043236A1 Anordnung zum Hereingewinnen von Gewinnungsprodukten in untertägigen Gewinnungsbetrieben im Bruchbau Arrangement for cross obtaining extraction products in underground mining operations in caving |
03/15/2007 | CA2621183A1 Arrangement for extracting extraction products in underground mining in caving |
03/07/2007 | EP1760256A1 Lateral cutter system for boring holes |
03/07/2007 | CN1924293A Rotary replaceable earth pressure cell for shield machine |
02/28/2007 | EP1757771A2 Method for consolidating and impermeabilizing the ground around a tunnel |
02/28/2007 | CN1920254A Small pilot hole penetrated construction method when small pilot hole entering big pilot hole in two holes crossing in tunnel construction |
02/27/2007 | US7182407 Rock boring device with an oscillating and nutating rotary disc cutter |
02/27/2007 | US7182151 Apparatus and method for horizontal drilling |
02/21/2007 | CN1916362A Construction method for tunnel contact passage in shield section of underground railway |
02/20/2007 | CA2304533C Arched support structure |
02/14/2007 | CN1912343A Earth drilling machine |
02/14/2007 | CN1912342A Method for determining load of multiple-arch tunnel |
02/14/2007 | CN1300472C Shielding spiral conveyor hydraulic system with proportional feedback control and accumulator oil supplementary |
02/01/2007 | US20070025821 Method of protecting a surface of rock or soil |
01/31/2007 | CN1297729C A potholing method |
01/31/2007 | CN1297728C Method for controlling a drilling sequence, a rock drilling apparatus |
01/24/2007 | CN2861487Y Culverts top heading equipment |
01/23/2007 | US7165914 Ditch liner system |
01/18/2007 | WO2007006165A1 Underground construction of a pipeline |
01/18/2007 | US20070015667 Injection at a cutting head of the earth pressure balance tunnel boring machine of a foamed aqueous sufactant solution (e.g.sodium lauryl ether sulfate) solution and an aqueous solution of a water soluble polysodium |
01/17/2007 | EP1743978A2 Load bearing construction and method for installation |
01/10/2007 | EP1740871A1 Tube connector and device for production of a tube connector |
01/10/2007 | CN2856417Y Dual-layer round tunnel with deforming controller |
01/10/2007 | CN1294339C Articulated screw conveying machine |
01/10/2007 | CN1294338C Multi-medium swivel coupling |
01/10/2007 | CN1294170C Production of aqueous dispersions of cationic homo- and copolymers using amphoteric protective colloids |
01/09/2007 | CA2293746C Method of controlling rock drilling |
01/04/2007 | WO2007000492A1 Arrangement for positioning rock drilling rig on drilling site |
01/03/2007 | CN1888392A Method for setting up sleeper separately for truck jumbo and electric locomotive |
01/02/2007 | US7156582 Inspectable tunnel for underground pipes and cables |
12/21/2006 | DE102005028277A1 Antriebsvorrichtung für rotierende, mit Oszillationsüberlagerung arbeitende Werkzeuge und Werkzeug hiermit Drive means for rotating, working with oscillation superimposition Tools and Tool hereby |
12/20/2006 | EP1734224A1 Driving device for rotating tools with superimposed oscillatory movement and tool therefore |
12/20/2006 | EP1581722B1 Cutting ring for disk rolls pertaining to partial and/or full cutting machines |
12/20/2006 | CN1882762A Method for forming foamed material in foam shield driving method and foamed material for use in foam shield driving method |
12/19/2006 | CA2322693C An arrangement for drilling slots |
12/14/2006 | DE102005006981A1 Deep mine tracked vehicle excavator has tracked vehicle chassis and moving arm with quick-change tool fitting |
12/13/2006 | CN2846756Y Real time automatic deviation rectifing device for shield gesture |
12/13/2006 | CN1877080A Method for autocontrolling excavation direction of underground excavator using virtual track |
12/07/2006 | DE102005023922A1 Mobile strap conveyor for use at construction sites, has base frame supported by rotary table on frame and detachably connected with table by set of fastening devices in firm manner |
12/06/2006 | EP1727964A1 Advancement of pipe elements in the ground |
12/06/2006 | CN1873187A Method of digging for tunnel construction |
11/29/2006 | EP1725740A1 Device for digging roads, tunnels or the like |
11/29/2006 | CN1869579A System and method of chamber destruction of bomb |
11/29/2006 | CN1869402A Ventilation device for laneway grubbing with roadheader |
11/29/2006 | CN1287094C Hydraulic propelling system for mining tunnel driving machine controlled by ratio flow pressure |
11/22/2006 | CN2839559Y Arcading tunnel |
11/22/2006 | CN2839558Y Independent hydraulic driving mud shield stirring machine |
11/22/2006 | CN1865660A Construction method for weakening zone of floor plate wall rock |
11/22/2006 | CN1865659A Pneumatic development machine for replacement of existing concrete conduit and replacing method therefor |
11/22/2006 | CN1865658A Development machine for crushing existing concrete conduit |
11/16/2006 | DE102005039036B3 Tunnel boring cutter has mounting body with peripheral sectional cutting ring with hard metal inclusions |
11/15/2006 | EP1470316B1 Method for controlling a drilling sequence, a rock drilling apparatus and a computer programme to form a drilling sequence |
11/15/2006 | CN1861985A Magnetic suspension tunnel internal zone dividing method |
11/15/2006 | CN1861984A Deformed seam installing method of circular tunnel in river of magnetic suspension tunnel |
11/15/2006 | CN1861983A Deformed seam installing method of circular tunnel in river of magnetic suspension tunnel |
11/08/2006 | CN2835556Y Onboard crusher mechanism of excavator |
11/02/2006 | DE202006013839U1 Device for building effluent channels in underground tunneling comprises a shaft element which fits a rectangular shaft cross-section and is formed as a cutting shoe with a protruding head region in its front region |
11/01/2006 | CN2833111Y Three-chain type scraping device for development machine |
11/01/2006 | CN1854462A Shiedling construction without influence on top layer of earth |
10/31/2006 | US7128375 Method and means for recovering hydrocarbons from oil sands by underground mining |
10/31/2006 | US7128168 Reamer apparatus for ground boring machine |