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)
03/1990
03/07/1990CN1040247A Cutter bit
03/01/1990DE3829531A1 Einrichtung zur kuehlung des kuehlmediums fuer eine vortriebsmaschine und/oder des hydraulischen druckmediums fuer hydraulikantriebe beim hydro-schildvortrieb Means for cooling the kuehlmediums for a boring machine and / or the hydraulic pressure medium for hydraulic drives in hydro-power-shield
03/01/1990DE3829481A1 Loading shovel, for example for a selective-cut heading machine
03/01/1990DE3829324A1 Underframe extension for suspended monorail systems
02/1990
02/27/1990US4904125 Process for strengthening geological formations
02/27/1990US4904115 Method and device for controlling the trajectory of a shield-type tunnelling machine
02/14/1990EP0354335A2 Support for a driving shield
02/14/1990CN1006821B Shield type tunnel excavator
02/13/1990US4900191 Method for removal of broken ground
02/08/1990WO1990001106A1 Cutter bit
02/08/1990WO1990001105A1 Cutter bit and tip
02/08/1990DE3826772A1 Driving apparatus for shield driving or for pipe-jacking operations with a hydraulic conveying arrangement
02/06/1990US4898498 Thrust transmitting device
02/06/1990US4898496 Apparatus for underground tunneling
02/06/1990CA1265582A1 Current sensing alarm arrangement for monitoring the presence of high voltage
02/01/1990DE3825811A1 Method and apparatus for the gradual, automatic driving of a pipe section through a through-bore
01/1990
01/31/1990EP0353219A1 Shield tail for a shield tunneling machine and method for sealing the circular gap between the shield tail and lining elements
01/31/1990EP0352349A1 Shield tunneling machine
01/23/1990CA1264701A1 Tunnelling apparatus
01/17/1990CN1006482B Shield tunneling method and assembling and disassembling apparatus for use in practicing method
01/10/1990EP0350375A1 Device for the transfer of a tunnelling machine across an intermediate station between two tunnel sections
01/04/1990DE3821754A1 Method of driving a tubular, underground cavity, in particular at a great depth, as well as apparatus for carrying out the method
12/1989
12/28/1989WO1989012729A1 Method of forming underground passage and tunnel excavator
12/28/1989DE3902567C1 Machine for winning minerals or for driving underground roadways
12/27/1989EP0348118A2 Method for boring hole in the ground and apparatus therefor
12/21/1989DE3823863A1 Underground-working method with hydraulic conveying and installation for carrying out the method
12/20/1989EP0346678A2 Vehicle-supported outfit for earth works, in particular a shovel loader
12/14/1989DE3819818A1 Measuring method for surveying the ground in the zone in front of the face during underground driving of tunnel cross-sections
12/13/1989EP0345945A1 Method and apparatus for laying pipes in the ground with advance of propulsion shafts installed with pipe-supporting attachments
12/12/1989US4886394 Shield tunneling machine
12/06/1989EP0344412A1 Process and device for the continuous measuring of the relative height of a long object driven into the earth
12/05/1989US4884848 Device and method for exploiting material
11/1989
11/30/1989WO1989011582A1 Articulate shield excavator
11/30/1989DE3817004A1 Device for use in the jacking of a construction body through an earth dam or the like
11/29/1989EP0343800A2 Apparatus for providing an underground tunnel
11/15/1989EP0341500A2 Method for consolidating geological formations
11/14/1989US4880334 Tunnel construction apparatus and method
11/09/1989DE3813973A1 Shortwall machine for extracting and driving purposes
11/07/1989US4878714 Cutting machine for cutting and carrying away material from a work face
11/07/1989US4878547 Rock drilling apparatus
11/02/1989WO1989010467A1 Method and apparatus for the production of underground pipelines
11/02/1989WO1989010466A1 Shuffling quadrishoe tunnel boring machine
11/02/1989EP0339333A1 Method and device for cutting and lining tunnels, shafts or the like
11/02/1989DE3905737A1 Method of boring galleries, tunnels, caverns and the like - among other things arch profiles - with preferably activated undercutting tools which excavate in a stepped, splitting manner and are fastened to an arm arranged in an articulated and movable manner at the centre point in all directions
10/1989
10/18/1989EP0337680A2 Tunnel construction
10/18/1989CN1005494B Shield tunnel excavator
10/17/1989US4874268 Method and apparatus for building pipeline and shield tunnelling machine
10/17/1989US4874267 Tunnel boring machine
10/05/1989DE3810399A1 Support apparatus with vertically pivotable cutting arm
10/05/1989DE3810398A1 Apparatus for driving transverse galleries or the like running transversely to a tunnel, in particular connecting galleries between two tunnel tubes running essentially parallel to one another
10/05/1989DE3808714A1 Method of constructing a tunnel, in particular a traffic tunnel, and shield driving machine for carrying out the method
09/1989
09/28/1989DE3908540A1 Method of driving an underground space, in particular a roadway or a tunnel
09/27/1989EP0334262A1 Method and apparatus for enlarging tunnels
09/27/1989EP0333712A1 Drilling and winning installation for mining
09/26/1989US4869358 Conveyor belt system for a continuous mining machine
09/26/1989CA1261776A1 Materials handling system
09/26/1989CA1260253A1 Method of strengthening geological formations
09/20/1989EP0333473A2 Micro-tunnelling method
09/20/1989EP0332799A1 Method for building large span tunnels by means of a cellular arch
09/20/1989EP0246234B1 Method for the consolidation of geological formations
09/19/1989US4867255 Technique for steering a downhole hammer
09/12/1989US4865390 Continuous mining machine with roof supporting apparatus and method for anchoring crossbeam supports
09/12/1989US4865185 Crawler-mounted conveying train
09/07/1989DE3741343A1 Tunnel for high-speed vehicles
09/06/1989EP0330683A1 Cutting or roller bit
09/05/1989US4863313 Method for lining tunnel wall formed by shield excavation
08/1989
08/30/1989EP0329915A1 Shaft for drilling tools, eccentrically arranged and rotatably mounted
08/29/1989US4861171 Composite cylindrical roller bearing assembly
08/23/1989EP0328608A1 Process and device for subsequent incorporation of an underground seal under a refuse dump
08/17/1989DE3803120A1 Method and apparatus for tunnelling under traffic routes, in particular track systems, according to the jacking method
08/10/1989WO1989007178A1 Method and device for trench-free laying of pipelines
08/10/1989DE3901920A1 Apparatus for high-pressure injection
08/10/1989DE3802249A1 Tunnel-driving method
08/08/1989US4854776 Process and apparatus for lining a tunnel with concrete
08/03/1989DE3900081A1 Loading apparatus for clearing the floor and for adaptation to various cross-sections or floor widths
08/03/1989DE3900079A1 Apparatus for removing material won by means of a rotating excavating tool
08/01/1989US4852724 Crawler-mounted conveying train
07/1989
07/26/1989EP0324778A1 Boring apparatus
07/19/1989EP0324287A1 Pipe burster
07/18/1989US4848963 Earth pressure shield
07/13/1989DE3844148A1 Apparatus and method for the preliminary cutting of a heading
07/13/1989DE3800046A1 Support for a crown kerf
07/12/1989CN1033860A Mining machine
07/11/1989US4846606 Excavated earth and sand transporting apparatus for use in a shield machine
07/06/1989DE3744029A1 Selective cut heading machine
07/04/1989US4844656 Earth pressure shield
06/1989
06/29/1989WO1989005897A1 Seal structure for main bearing of tunneling machine
06/29/1989DE3743202A1 Control of pipe advances by means of asymmetrical longitudinal prestressing
06/29/1989DE3743023A1 Tunnel shield having a device for comminuting material which can no longer be conveyed
06/29/1989DE3742439A1 Road-driving machine and the like, in particular dinting machine
06/22/1989DE3741954A1 Advance machine for shield advance in tunnel construction in unstable ground and method for shield advance using such a machine
06/22/1989DE3741460A1 Driving shield having a device for a fluid support of the face breast
06/15/1989DE3740753A1 Tragarmanordnung an teilschnittmaschinen Support arm assembly of partially cut machine
06/14/1989EP0319730A1 Tube-driving device
06/14/1989EP0319724A1 Thrust transmitting device
06/14/1989EP0319667A2 Pipe propelling apparatus
06/13/1989US4838615 Apparatus for excavating a recess
06/13/1989US4838614 Method of excavation and apparatus therefor
06/08/1989DE3740020A1 Short-front machine for working or driving purposes
06/08/1989DE3740019A1 Driving shield with a fluid-supported face breast
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