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)
08/1992
08/20/1992WO1992014035A2 Auxiliary cutter for a mining machine with coaxial cutting drums
08/20/1992DE4105054A1 Segment erector for support lining in mine - is fitted inside pressure chamber or shield driving machine and comprises Jack and rotary runner moving along rails
08/18/1992US5139097 Rock drilling apparatus
08/12/1992EP0498786A2 Method for limiting subsidence during the excavation of underground cavities
08/12/1992EP0498627A2 Improvements in or relating to seals
08/12/1992EP0497802A1 Method for the mounting of underground pipelines.
08/05/1992EP0497454A2 Rectangular shield excavating machine
08/05/1992CN1063335A Rectangular shield excavating machine
08/04/1992US5135326 Articulated shield tunneling machine
07/1992
07/30/1992DE4102165A1 Blocks for canalisation of amphibious creatures at migration culvert - has simple components or prefab. unit for flush fitting at culvert entrance to provide road side canalisation for migrating amphibians
07/30/1992DE4102121A1 Tunnel construction with reinforced concrete liners - progresses by means of shield driving excavator whose shield is in two sections, with inner shell
07/21/1992CA1305331C Method and apparatus for building pipeline and shield tunnelling machine
07/15/1992EP0494197A1 Control method and control equipment for drilling apparatus.
07/15/1992EP0494196A1 Tunnel drilling apparatus and method to remove drill waste.
07/14/1992US5129764 Device to feed reinforcement rods
07/14/1992US5129760 Forming a passageway through the ground
07/14/1992US5129470 Drill hole filling method and apparatus
07/08/1992EP0493597A1 Device for fixing disk cutter to tunnel excavator
07/08/1992EP0493459A1 Drilling apparatus and method for its control
07/07/1992US5127711 Hopper and hood combination for tunneling machine and tunneling machine having the same
07/02/1992DE4114459C1 Mine roadway floor lowering machine - has loosening tool with several blades rotating about vertical axis
06/1992
06/30/1992US5125768 Method and apparatus for the production of underground pipelines
06/30/1992US5125719 Tunnel boring machine and method
06/25/1992WO1992010646A1 Equipment for lowering the floors of galleries, etc., in underground mines, etc.
06/25/1992DE4141911A1 Tunnel-excavating shield driving machine - has face cutting tools consisting of drum cutters on swinging arms which also move radially
06/24/1992CN2108173U Waterproof slab hanging bogie for tunnel
06/23/1992US5123708 Shield tunnelling machine
06/23/1992US5123520 Apparatus for gathering and removing particulate material
06/17/1992EP0490847A1 Tunnel boring machine
06/17/1992DE4039964A1 Vorrichtung zum senken von strecken o. dgl. in untertaegigen grubenbetrieben o. dgl. Apparatus for reducing stretch of o. The like. Untertaegigen in mine operated o. The like.
06/14/1992CA2056763A1 Tunnel boring machine
06/13/1992WO1992010647A1 Tunnelling machine
06/13/1992CA2098310A1 Tunneling machine
06/04/1992DE4037620A1 Section cutting machine for mining roadways - has telescopic supports on either side synchronised with track movement which thrust against rock face
06/02/1992US5118220 Method of building underground cavern and tunneling machine
05/1992
05/26/1992US5116164 Device to load reinforcement rods
05/19/1992US5113969 Displaceable working platform with extensible boom
05/13/1992CN1061071A Method of supporting the smectite bearing soft rock tunnel
05/06/1992EP0483445A1 Driving shield
05/06/1992CN1060887A Method and system for controlling travelling body so as to move forward along predetermined route of movement of travelling body
05/05/1992US5110188 Deformed shield tunneling method and tunneling machine
04/1992
04/30/1992DE4034177A1 Control system for shield driving in tunnel - consists of borehole drilled in direction of drive through which cable is drawn
04/30/1992DE4034068A1 Short front machine for seam excavation - includes rise and dip working boom and conveyor to remove all risings
04/29/1992EP0482405A1 Method for secondary construction of an underground sealing-base under a consisting dump
04/28/1992US5107938 Apparatus for detecting position of underground excavator
04/22/1992EP0481077A1 Device for measuring position of underground excavator
04/21/1992US5106163 Method and apparatus for inspecting a forward end portion in a tunneling machine
04/14/1992US5104262 Tunnel boring machine
04/14/1992US5104261 Tunnel boring machine
04/14/1992US5104260 Method and apparatus for tunnelling
04/14/1992US5103705 Eccentrically arranged radial boring tool apparatus
04/09/1992DE4103544C1 Deep mining heading-winning machine - has tracked propulsion system and slewing and ranging boom
04/08/1992EP0478798A1 System for controlling direction of underground excavator
04/08/1992CN1016206B Method for boring hole in gound and apparatus therefor
04/07/1992US5102201 Shield tunnelling machine
04/02/1992WO1992005339A1 A mining machine with roof bolting attachment, and roof bolting attachment therefor
04/01/1992CN1059954A Mining machine
03/1992
03/31/1992CA1298089C Pipe propelling apparatus
03/19/1992DE4029400A1 Driving long opening with non-circular cross=section - involves obliquely angled revolving cutting head which is driven forward along horizontal plane
03/18/1992EP0475309A1 Process and device for reconstructing sewers
03/12/1992DE4028755A1 Loading and conveying machinery - removes muck from face in tunnel excavation and comprises loader and conveyor unit operating inside shield at ground level
03/11/1992CN1015814B Direction correcting device for shield tunnelling machine
03/11/1992CN1015813B Shield type tunnel machine
03/05/1992DE4126426A1 Reset moment free roller or disc drill head - has motor and drill on common mounting in direct drive contact
02/1992
02/27/1992DE4026528A1 Method of securing rock face - involves insertion of concrete wedge and subsequent filling by sections with concrete plugs on either side
02/27/1992DE4026368A1 Method of successive excavation of tunnel - involves cladding face of new excavation and supporting face with gap between them
02/26/1992EP0472396A1 Optical tool placement device
02/26/1992EP0471859A1 Method and system for detecting collapse of natural ground in shield driving method
02/26/1992EP0471858A1 System for detecting the position of an underground excavator
02/25/1992US5090844 Plant for digging and shoring up the walls of tunnels during excavation
02/25/1992US5090325 Tunnel driving method
02/23/1992CA2049638A1 Optical tool placement device
02/12/1992EP0470309A1 Method and apparatus for controlling the attitude of a shield excavator
02/12/1992EP0470253A1 Earth pressure system shield process
02/06/1992DE4024829A1 Shield drive machine for tunnel boring - cuts earth- or fluid-supported work surfaces with cutting wheel mounted on flanged drive shaft
02/06/1992DE4024819A1 Tunnel boring shield drive - has cutting wheel fitted in shield, arms fitted with cutting tools and work surface supported by cutting wheel
01/1992
01/29/1992CN2094617U Horizontal circular hole digging machine
01/23/1992WO1992001140A1 System for supporting drive of excavating type underground digging machine
01/22/1992CN1015317B Mining machine
01/16/1992DE4021302A1 Cutting and loading machine - has load sensing on conveyor with control of cutting speed to prevent overloading
01/15/1992EP0466348A1 A method and system for controlling a travelling body so as to move forward along a predetermined route
01/15/1992EP0465685A1 Drilling head of a horizontal drilling machine
01/15/1992EP0465667A1 Method of and apparatus for laying pipes
01/14/1992CA2046848A1 Method and system for controlling a travelling body so as to move forward along the predetermined route of the movement of travelling body
01/09/1992DE4019912A1 Driving shield for tunnel or roadway construction - gives protection for placing of rings and hydraulically rams them into position
01/08/1992EP0465431A1 Composite platform with a self-centering movable intermediate element for manufacturing road underpasses having monolithic structure
01/08/1992EP0464363A2 Method and device for the controlling of a driving shield
01/08/1992CN1057697A Device for drilling holes in ground
01/07/1992US5078545 Method for boring hole in the ground and apparatus therefor
12/1991
12/27/1991EP0462151A1 Aqueous resin preparations for consolidating rock and filling cavities and process therefor.
12/18/1991CN1015121B Mining machine
12/17/1991US5072994 Shearing machine with movable shearing drum and conveyor
12/17/1991US5072992 Shield unit
12/17/1991US5072826 Having a drive sprocket at one end of the conveyor
12/12/1991WO1991019074A1 Drill head with nozzles
12/12/1991DE4117575A1 Building channels, galleries, etc. underground - involves vertical work-shaft, with drilling equipment parallel to longitudinal axis of channel, etc. to be formed
12/12/1991CA2064010A1 Drill head with nozzles
12/05/1991DE4016759A1 Hydraulic hammer-scoop combination - fits on excavator arm, and involves support connected to tool rotary axis
11/1991
11/28/1991WO1991018235A1 Pipe bursting and replacement apparatus and method
11/28/1991DE4016965A1 Drilling head for tunnel boring - has central channel with nozzles directed to front and rear
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