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)
06/1989
06/08/1989DE3739685A1 Tunnel for high-speed vehicles
06/07/1989EP0319527A2 Apparatus for providing an underground tunnel
06/06/1989US4836714 Enclosed structures of very large cross-section, such as conduits, silos or shelters
06/01/1989DE3739316A1 Method of constructing tunnels of large cross-section, e.g. railway tunnels
06/01/1989DE3739110A1 Motor fastening for selective-cut heading machines
05/1989
05/31/1989EP0318471A1 Pitch angle monitoring arrangement
05/31/1989EP0318285A1 Mining machine
05/31/1989EP0317824A2 Machine and method for continuously cutting and conveying rock
05/30/1989US4834580 Method and device for driving a tunnel
05/24/1989EP0316747A2 Method and apparatus for building pipeline
05/24/1989EP0316448A1 Control unit for underground excavators
05/24/1989DE3738802A1 Teilschnittmaschine zum vortreiben von strecken oder tunnels Stretch roadheader to propel from or tunnels
05/24/1989DE3738605A1 Loading device, in particular for selective-cut heading machines
05/24/1989DE3738438A1 Shortwall machine for winning and driving purposes
05/18/1989DE3737864A1 Cutting head of a road-driving or winning machine
05/17/1989EP0315743A1 Method for making a tunnel or gallery, and tunneling machine for carrying out the method
05/16/1989US4830539 Pipe propelling apparatus
05/16/1989US4830535 Knife shield driving device and method for the excavating and/or final supporting of galleries or the like
05/09/1989CA1253706A1 Process and apparatus for continuously lining a tunnel with extruded concrete
05/03/1989CN1004091B Method laying down cover wall in tunnel and equipment thereof
04/1989
04/27/1989DE3826268A1 Method of constructing a tunnel or gallery in friable or non-cohesive rock
04/20/1989DE3734350A1 Cutter head for selective-cut heading machine
04/18/1989US4821815 Technique for providing an underground tunnel utilizing a powered boring device
04/13/1989DE3733553A1 Apparatus for controlling a shield driving machine
04/13/1989DE3733520A1 Safety dam for the drivage of underwater tunnels in compressed air
04/11/1989US4820458 Process for continuously lining a tunnel with extruded concrete
04/06/1989DE3732261A1 Method of constructing a tunnel and shield driving machine for carrying out the method
04/06/1989DE3731403A1 Swivelling mechanism for selective-cut heading machines
04/05/1989EP0309739A2 Method for constructing a tunnel with little earth cover under railway tracks or the like
04/04/1989US4818026 Shield type tunneling apparatus
04/04/1989US4818025 Narrow opening mechanical miner
03/1989
03/28/1989US4815695 Pipe propelling device
03/23/1989WO1989002513A1 Drilling and winning installation for mining
03/21/1989US4813813 Method for constructing a tunnel
03/21/1989US4813749 Pilot operated stepping directional valve and method for single line operation
03/09/1989WO1989002009A1 Process and device for subsequent incorporation of an underground seal under a refuse dump
03/09/1989DE3729006A1 Rotating radially beating rollers, balls or the like for removing/milling of rock or other materials
03/08/1989EP0305835A1 Device for the production of underground piercings
03/08/1989EP0305834A2 Process and apparatus for making a duct in an underground borehole
03/08/1989EP0305415A1 Mobile pump installation.
02/1989
02/28/1989US4808032 Thrust pipe
02/28/1989US4808030 Shield tunneling method and assembling and disassembling apparatus for use in practicing the method
02/23/1989DE3827441A1 Shield driving method for a tunnel
02/22/1989EP0303950A2 Process for the solidification of geologic formations
02/22/1989EP0303775A1 Method for making a tunnel by using a driving shield
02/21/1989US4806869 An above-ground arrangement for and method of locating a discrete in ground boring device
02/21/1989US4805963 Shield advancing machine
02/16/1989DE3725963A1 Method and apparatus for constructing a concrete foundation in the earth, in particular in a built-up area
02/14/1989US4804295 Shielded tunnel excavator
02/08/1989CN1030960A 采掘机 Mining machine
02/01/1989CN1030810A Circular heading machine
01/1989
01/31/1989US4801222 Pressure-tight pipe connection for a driven pipeline
01/26/1989DE3823762A1 Motoranordnung fuer den antrieb der abbauwerkzeuge einer streckenvortriebs- und gewinnungsmaschine Motor assembly for the drive of a degrading tools excavation and mining machine
01/25/1989EP0300159A1 Method and device for lining a tunnel with concrete cast in situ
01/24/1989US4799824 Method of making covering wall of tunnel made by shield type excavator
01/18/1989EP0299952A1 Process for driving on a tunnel and shield tunneling machine for carrying out the same
01/18/1989EP0299133A1 Method for tunnel driving and device for carrying out the method
01/12/1989WO1989000236A1 Selectively phased water supply of a cutter head
01/12/1989WO1989000235A1 Cutting or roller bit
01/10/1989US4796956 Machine for driving workings in hard rocks
01/05/1989DE3820264A1 Antriebsanordnung fuer die schraemkoepfe oder -walzen einer vortriebs- oder gewinnungsmaschine Drive arrangement for the cutting heads or rolls of a heading or extraction machine
01/04/1989EP0199771B1 Partial boring machine for cutting to a precise profile an arc-shaped longitudinal cross-section
01/03/1989US4794791 Method and device for making measurements characterizing geological formations, in a horizontal borehole formed from an underground way
12/1988
12/28/1988CN88103728A Driving arrangement for cutting heads or rolls of advancing or mining machine
12/28/1988CN87105328A Earthguard cover
12/27/1988US4793736 Method and apparatus for continuously boring and lining tunnels and other like structures
12/27/1988US4793427 Disc cutters for rock working machines
12/15/1988DE3717874A1 Shortwall machine, in particular a dinting machine
12/01/1988WO1988009426A1 Circular heading machine
12/01/1988DE3725710A1 Structure-forming method under existing one - involves welding additional panels to sheet steel overhead strip as work progresses
12/01/1988DE3716668C1 Mit einer Winde ausgeruesteter Walzenlader des Untertagebetriebes Using a jack equipped shearer of underground operation
11/1988
11/22/1988US4786178 Apparatus and method for detecting the position and orientation of a reference beam of light
11/22/1988US4786112 Driving arrangement for driving the cutting rolls of a drift advancing machine
11/17/1988DE3714841A1 Apparatus for controlling the working cylinders during the driving of underground structures and the like, in particular for controlling the hydraulic advance jacks during shield driving
11/15/1988US4784439 Movable cutting machine
11/15/1988US4784438 Tunneling machine rotatable member
11/08/1988US4783123 Tool bit for impact ripping of a mine face
11/08/1988CA1244490A1 Head intake for tunnelling machine
11/02/1988EP0289107A2 Wellhead seal assembly
11/02/1988EP0288707A1 Earth pressure shield
10/1988
10/27/1988DE3711647A1 Boring-head seal for a boring head mounted in a driving shield
10/19/1988EP0287460A1 Method and device for the directional control of a shield-tunnelling machine
10/18/1988US4778220 Tunnel driving apparatus
10/13/1988DE3710171A1 Winning machine for minerals, in particular for hard rock
10/11/1988US4776445 Device for transferring the cup heap of debris onto a drift conveying means
10/06/1988DE3710285A1 Apparatus for extracting contaminated earth
09/1988
09/27/1988US4774470 Shield tunneling system capable of electromagnetically detecting and displaying conditions of ground therearound
09/27/1988US4773520 Steering apparatus for a tramming conveyor
09/27/1988CA1242462A1 Machine for driving workings in hard rocks
09/22/1988WO1988007124A1 Process for drilling minerals
09/20/1988US4771881 Materials handling system
09/15/1988DE3706755A1 Drilling head of a horizontal driving machine for controlled line-tunnel construction in the non-man-sized diameter range
09/14/1988EP0282416A1 Cutting machine with a cutter head movebly mounted on an arched guide oblique to its axis
09/13/1988US4770469 Process for controlling the movement of a universally swivellable cutting arm of a partial cut cutting machine as well as apparatus for performing this process
09/13/1988US4770085 Hydraulic jack
09/13/1988CA1241974A1 Shield type tunneling machine
09/08/1988DE3715721A1 Method and device for reducing compressed-air losses in a working chamber of a shield driving machine travelling in overlap
09/06/1988US4768898 Process and apparatus for continuously lining a tunnel with extruded concrete
09/06/1988CA1241671A1 Shield tunneling machine
09/01/1988DE3715720A1 Use of sealing materials for reducing compressed-air losses in mine tunnelling
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