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)
05/1995
05/09/1995CA2036390C A pipe joint for driving pipes laid underground by the driving technique
05/03/1995EP0651134A1 Device for monitoring collapse of natural ground in underground excavator
05/02/1995CA2073669C Method and apparatus for controlling direction of excavating machine
04/1995
04/27/1995DE4336127A1 Loading and conveying arrangement for mining and tunnelling
04/26/1995EP0649973A2 Hydraulic excavator for shield tunneling machine
04/26/1995EP0393197B1 Method of building underground cavern and tunnelling machine
04/19/1995EP0481077B1 Device for measuring position of underground excavator
04/18/1995US5407252 Method and apparatus for scaling mine roofs and ribs
04/12/1995EP0647740A1 Method and apparatus for making a lined trench in the soil; as well as a lined trench
04/11/1995CA1335207C Shuffling quadrishoe tunnel boring machine
04/05/1995EP0646216A1 Stabilizing compositions and methods for stabilizing subterranean formations.
03/1995
03/30/1995WO1995008691A1 Disc cutter
03/30/1995DE4409049C1 Method of replacing the supporting liquid by compressed air and use of a hydraulic shield for carrying out the method
03/30/1995DE4343383C1 Device for measuring the shield tail air
03/30/1995DE4333032A1 Arrangement for determining the position and orientation of a tunnel driving machine
03/23/1995DE4332113A1 Boring implement for making bores in earth with different soil classes
03/22/1995EP0393187B1 Method and apparatus for connecting halves of shield tunnel under ground
03/22/1995CN1100493A method for laying well and pipe line directly on top pipe line
03/21/1995CA2102349A1 Disc cutter
03/08/1995CN1027827C Mining machine with roof bolting attachment
03/02/1995WO1995006187A1 Cutter head device for propeller of small diameter pipe
03/02/1995DE4328863A1 Mining apparatus for underground mining
03/01/1995EP0640744A2 Reinforced steel concrete section tube
02/1995
02/28/1995US5393172 Shield tunneling machine
02/22/1995EP0639690A1 Double wall pipe for propulsion technique and construction of pipe end of leading pipe
02/21/1995CA1334482C Method and apparatus for production of underground pipelines
02/15/1995EP0638878A1 Location system
02/14/1995CA1334340C Method for building large span tunnels by means of a cellular arch
02/09/1995DE4408992C1 Shield driving machine
02/07/1995CA2103504A1 Location system
01/1995
01/26/1995DE4326880C1 Method of driving an underground cavity
01/17/1995US5382114 Tunnel excavation apparatus
01/11/1995EP0428599B1 Cutter bit
01/11/1995EP0425552B1 Cutter bit and tip
01/05/1995DE4335753C1 Hydraulically driven mining excavator for a driving apparatus for underground driving
01/05/1995DE4321154A1 Injection process for sealing porous and/or fissured/fractured rock
12/1994
12/28/1994EP0631033A1 Device for fixing cutting disks in a tunnel excavator
12/28/1994EP0631032A1 Whole front face tunneling machine
12/06/1994US5370479 Shielding apparatus
12/01/1994DE4317516A1 Trackless spoil-car system for material transport in a pipe profile section
12/01/1994DE4317515A1 Circular-profile driving apparatus
12/01/1994DE4310314A1 Tunnelling system
11/1994
11/30/1994EP0309494B1 Apparatus for cutting minerals
11/24/1994WO1994027028A1 Earth dumping control device for a small diameter pipe propelling machine
11/17/1994EP0624714A2 Tunnel liner, its fabrication method, and its fabrication apparatus
11/16/1994CN1026606C Tunnel supporting method for driving tunnel underwell
11/16/1994CN1026605C Tunnel supporting method for recovering working-face support and equipment
11/15/1994US5363926 Device for detecting inclination of boring head of boring tool
11/10/1994DE4315196A1 Tunnelling machine
11/09/1994CN1094785A Dead-weight balanced cantilever-shed frame method
11/03/1994DE4331237C1 Supply arrangement for rock-consolidation agent with reusable containers
11/02/1994EP0622524A1 System for measuring excavation position of underground excavator
11/01/1994US5360260 Tunneling machine with radially sweeping tool carriers
10/1994
10/27/1994WO1994024416A1 Tunnelling machine
10/25/1994CA2021203C Direction correcting device for shield tunnelling machine
10/20/1994DE4312588A1 Heading machine
10/11/1994CA1332430C Loading system for clearing the floor in a mine shaft
09/1994
09/28/1994EP0617197A1 A method for controlling the direction of a shield tunnelling machine and an apparatus therefor
09/27/1994US5350254 Guided mole
09/27/1994CA1332179C Cutter bit and tip
09/21/1994EP0615571A1 Methods of manufacturing a hub for use in a cutter of a boring head.
09/15/1994WO1994020730A1 Double wall pipe for propulsion technique and construction of pipe end of leading pipe
09/15/1994DE4307196A1 Jointing mortar for the construction of cross-sectional seals in salt
09/13/1994US5346331 Shield tail sealing
09/01/1994DE4305701A1 Shield tunnelling machine
08/1994
08/31/1994EP0612971A1 Method and apparatus for charging bore-holes with explosive
08/30/1994US5342149 Long hole chemical grout injector system
08/30/1994US5341889 Ring clamp for a cutter ring in a tunnel drilling machine
08/24/1994EP0611875A1 Forward thrust pipeline and corresponding forward thrust pipe
08/24/1994EP0611848A1 Process for the construction of structures under an embankment of a railroad or the like
08/23/1994US5340199 Method and machine for excavating drifts, tunnels, stopes, caverns or the like
08/16/1994US5339241 Method and system for controlling a travelling body so as to move forward along the predetermined route of the movement of travelling body
08/16/1994US5338104 Auxiliary cutter for a mining machine having coaxial cutter drums
08/04/1994WO1994017282A1 A transport device for use in driving tunnels with a tunnel boring machine
08/03/1994EP0524226B1 Injection bore anchor with conveyor screw
08/03/1994EP0462151B1 Aqueous resin preparations for consolidating rock and filling cavities and process therefor
08/02/1994US5333937 Excavation machine having combined impact hammers and static ripper pick
08/02/1994US5333936 Low profile mining machine having a cutter mounted on a slidable carriage
07/1994
07/28/1994DE4317859C1 Tunnelling machine with swinging cutter drums
07/26/1994CA2042048C Method and apparatus for laying pipe
07/26/1994CA1331025C Non-circular profile tunnelling machine with controlled eccentric secondary cutters
07/21/1994DE4243353A1 Propulsion tube connection for underground shield drive
07/20/1994EP0607053A1 Improvements in and relating to sealing compositions
07/20/1994EP0524223B1 Injection drilling anchor
07/19/1994US5330292 System and method for transmitting and calculating data in shield machine
07/16/1994CA2113489A1 Improvements in and relating to sealing compositions
07/13/1994EP0551273B1 Method and machine for excavating drifts, tunnels, stopes, caverns or the like
07/13/1994EP0497802B1 Method for the mounting of underground pipelines
07/06/1994CN1025356C Shield tunnelling machine
06/1994
06/28/1994US5324139 Method for the construction of long tunnel with a lining
06/22/1994EP0603024A1 Process for construction of transversal passages under rail or roadways
06/22/1994EP0602753A1 Cutting disk for rock and similar materials
06/22/1994EP0333712B1 Drilling and winning installation for mining
06/21/1994US5322392 Process for rock consolidation and/or cavity filling e.g. in tunnel construction and mining
06/21/1994US5322391 Guided mole
06/21/1994US5322134 Drill head
06/09/1994DE4240297A1 Rock boring machine for making tunnel - has cutting head mounted rotatably on boring shield and conveyor device for removal of broken down spoil, together with pump hydraulically driven integrated directly in tunnel shield
05/1994
05/25/1994EP0598139A1 Control apparatus for excavators
05/24/1994CA2015497C Intermediate pipe-jacking apparatus
05/18/1994CN1086874A Underground fast traffic net structure
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