Patents
Sitemap › E21 - Earth or rock drilling; Mining › E21D - Shafts; Tunnels; Galleries; Large underground chambers › E21D 9 - Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
Patents for E21D 9 - Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries (7,097)
10/1999
10/05/1999US5961185 Shielded cutterhead with small rolling disc cutters
09/1999
09/16/1999DE19810475A1 Method for cutting spherical underground caverns
09/10/1999WO1999045237A1 An arrangement for drilling slots
09/02/1999WO1999028671A3 Method for removing material from a pressure chamber and conveyor device
08/1999
08/31/1999CA2075104C Process and device for the exploitation of subterranean deposit by means of a tunnel borer
08/18/1999CN1225974A Technology for quickly resuming normal construction after wellhole submerged by sudden water
08/17/1999US5938288 Automatic control system and method for a machine used for excavating drifts, tunnels, stopes, or caverns
08/11/1999EP0934994A1 Non-flammable, sticky ,flexible product especially for the consolidation of grounds
08/10/1999US5936721 Guide beam direction setting apparatus
08/10/1999US5934761 Boring machine having hydrostatic bearings
08/05/1999WO1999039079A1 Mounting and switching of survey apparatus
08/03/1999US5931601 For use in excavation of an inclined shaft
07/1999
07/27/1999CA2116463C Method and apparatus for charging bore-holes with explosive
07/13/1999US5921632 Method and apparatus for extending the cutter drum of a boring machine
06/1999
06/30/1999CN1043918C Hydraulic mining excavator
06/29/1999US5915790 Tunnel boring machine
06/24/1999DE19756418A1 Lowering machine for use in galleries of mines
06/22/1999US5913573 Roof bolt drilling and setting apparatus
06/10/1999WO1999028671A2 Method for removing material from a pressure chamber and conveyor device
06/10/1999WO1999028595A1 Whale skeleton construction method for tunnel having large section
06/09/1999EP0921270A1 Underground augering machine by electrical crushing, excavator, and its excavating method
06/02/1999EP0918921A1 Tunnelling process and device
06/02/1999DE19750018A1 Determination device of cutting head replacement time in boring machinery
05/1999
05/26/1999EP0836667A4 Locating a discrete in-ground boring device
05/26/1999CN1043483C Open caisson method of inclined shaft
05/19/1999EP0916884A2 Cushion member for joint
05/18/1999US5904444 Propelling apparatus for underground propelling construction work
05/18/1999US5904211 Disc cutter and excavation equipment
05/18/1999US5904210 Apparatus and method for detecting a location and an orientation of an underground boring tool
05/14/1999WO1999023358A1 Cutting machine
05/14/1999WO1999023356A1 Device for cutting or kirving material
05/12/1999EP0915231A1 Spiral-shaped roller cutter and tunnel excavator cutter head provided with same
05/06/1999WO1999022201A1 Position measuring apparatus and optical deflection angle measuring apparatus for underground excavators
05/06/1999EP0912816A1 Cutting control process and device for detecting the depth of cut of kirving tools
05/06/1999EP0912814A1 Improved disc cutter and excavation equipment
05/04/1999CA2049037C Aqueous resin preparations and a process for stabilizing rock and plugging cavities
04/1999
04/29/1999DE19752718C1 Method of conveying bulk material from pressure chamber
04/29/1999DE19746542A1 System for stabilizing the position of a displaceable body
04/28/1999EP0745175B1 Process for removing the core of earth from a pipe laid without excavation and scraper for implementing said process
04/22/1999WO1999019603A1 Arched support structure
04/22/1999DE19827058A1 Cutter head for tunneling machines in civil constructions
04/22/1999DE19745976A1 Centralized unit pressurizing two-component polyurethane plastic resin supplied to valved injection lances
04/15/1999WO1999018330A1 Foaming composition
04/15/1999WO1999018325A1 Rock or earth penetrating devices and methods
04/14/1999CN2314096Y Movable operation platform for preventing disturbance of working at bottom of tunnel
04/06/1999US5890771 Tunnel boring machine and method
03/1999
03/31/1999CN1042760C Method and apparatus for controlling advancing direction of excavating machine
03/25/1999WO1999014463A1 Anchor boring and setting device
03/24/1999CN1042662C Dead-weight balanced cantilever-shed frame digging method for tunnel engineering
03/18/1999DE19740078A1 Drifting method with combined vibrating and regularly working tool
03/09/1999US5879057 Horizontal remote mining system, and method
03/04/1999DE19738476A1 Tunneling machine
03/03/1999EP0899422A1 Method of constructing a tunnel
03/02/1999US5876152 Ramming drill for destructive replacement of buried pipelines
02/1999
02/25/1999WO1999009298A1 Segment for intake tunnels
02/25/1999WO1999009297A1 Process for constructing intake pipe
02/24/1999EP0898051A1 Combination of a conventional slotting tool with eccentric driven milling tools
02/24/1999CN1209184A Trencbless underground boring system with boring location
02/18/1999CA2245148A1 Combination of conventional or superimposed percussive slot-cutting tools
02/17/1999EP0897050A1 Method of building a lined tunnel
01/1999
01/28/1999DE19744146C1 Method for driving tunnel through ground
01/27/1999EP0893570A1 Multiple head drilling unit for loose soil drill
01/21/1999DE19739838C1 Machine for preventing air leaks from subsea tunnel workings
01/20/1999EP0891469A1 Partial cutting machine
01/13/1999EP0890708A1 Method, system and device for building a wall in the ground
01/13/1999EP0890707A1 Method, system and device for building a wall in the ground
01/12/1999US5858928 Gel of an apolar medium, its use for the preparation of water-based drilling fluids
01/07/1999EP0889200A1 Tunnel excavation method and tunnel excavator
01/07/1999EP0889199A1 Driving shield
01/07/1999EP0796387B1 Material and method for lubricating the metal surfaces of an earth-pressure tunnel boring machine
01/06/1999CN1203998A Multipurpose machinery for capital construction
12/1998
12/30/1998EP0887512A2 Method for widening road, superhighway or railway tunnels, without interrupting the traffic
12/17/1998WO1998057034A1 Method of controlling rock drilling
12/16/1998EP0884452A1 Tunnel boring machine
12/16/1998EP0807203B1 Continuous control system for a mining or tunnelling machine
12/16/1998EP0772730B1 Driving shield
12/16/1998CN2300284Y High elasticity inner ventilation health care shoes
12/09/1998CN1041123C Shielding apparatus
12/08/1998US5846027 For use in advancing advance pipes through the ground
12/03/1998WO1998054442A1 Tunnel-boring machine
12/03/1998DE19722000A1 Tunnelbohrmaschine Tunnel Boring Machine
12/03/1998CA2291043A1 Tunnel rock drill
12/02/1998EP0881359A1 Method and arrangement for constructing a tunnel by using a driving shield
12/02/1998EP0881358A1 Device for enlarging hollow spaces
11/1998
11/18/1998CN2297540Y Wriggle type self-propelled entry-driving machine for tunnel or gallery
11/17/1998US5836658 Method and apparatus for boring and shearing of rocks
11/11/1998CN1198502A Boring device and torque support for boring device
11/05/1998WO1998049425A1 Method for building a tunnel under an existing construction
11/05/1998DE19725089A1 Method of building tunnel structure under existing construction
10/1998
10/29/1998DE19817000A1 Underground pipeline with external lubricant feed to reduce friction with ground
10/28/1998EP0873465A1 Trenchless underground boring system with boring tool location
10/28/1998EP0873464A1 Improvements relating to tunnel-boring machines
10/28/1998EP0793765B1 Travelling tunneling machine
10/22/1998DE19810674A1 Mechanical components with several wear sensors
10/22/1998DE19729540C1 Tunnelling machine with cutter wheel
10/20/1998US5824912 Method of determining stresses in a model mine layout
10/15/1998WO1998045576A1 Injection device and injection method
10/15/1998DE19816161A1 Driving machine for excavating tunnels and shafts etc.
10/15/1998DE19715095C1 Tunnel boring machine guidance system using beam of light
10/15/1998CA2286025A1 Injection device and injection method
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