| Patents for E21D 11 - Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling (7,167) |
|---|
| 05/07/1992 | DE4122568A1 Method of filling voids arising from roof falls in mining - involves propping shield and placing on it reinforcing mat and plastic bag filled with lightweight concrete |
| 05/07/1992 | DE4027620A1 Rigid steel support for mining roadways - consists of plain or corrugated steel sheets laid lapping with rigid connectors |
| 04/30/1992 | DE4027058A1 Waste and sewage disposal pipes and services - involves laying them in same tunnel which is developed by lapping steel sheets and welding joints |
| 04/29/1992 | EP0482405A1 Method for secondary construction of an underground sealing-base under a consisting dump |
| 04/21/1992 | CA1299152C Method and apparatus for pneumatically discharging hydromechanically conveyed hydraulic building material for underground operations |
| 04/16/1992 | DE4101775A1 Steel sheet liner for mining roadways - is tubular and made up of segments which are corrugated surrounded by yielding elements |
| 04/14/1992 | US5104260 Method and apparatus for tunnelling |
| 04/09/1992 | DE4130674A1 Mat reinforcement for lining face of mining roadway - comprises sheets of square mesh long and cross rods welded at intersections with knobs and loops at alternate ends |
| 04/09/1992 | DE4031583A1 Setting arch supports in mining roadway - involves main frame supporting swivelling boom and traverse and running on overhead rail |
| 04/09/1992 | DE4030679A1 Driving mining roadways while supporting face - involves continuous built-up formwork backfilled with building materials in association with sliding roof bars |
| 04/09/1992 | DE4027167A1 Support for mine gallery, tunnel etc. |
| 04/07/1992 | US5101608 Adjustable brick support ring |
| 04/06/1992 | WO1992005944A1 Apparatus for everting a tube and method of using same |
| 03/17/1992 | US5096335 Polymer grid for supplemental roof and rib support of combustible underground openings |
| 03/04/1992 | EP0473539A1 Arrangement of tension cables in a pressure gallery |
| 03/04/1992 | EP0472988A2 Lining for underground mine galleries |
| 02/20/1992 | WO1992002710A1 Frost-protection lining for traffic tunnels in cold climates |
| 02/13/1992 | DE4025212A1 Verkehrstunnel fuer kaelteregionen Traffic tunnel for kaelteregionen |
| 02/13/1992 | DE4025118A1 Segments for circular cladding in tunnel construction - have stepped joints with four to eight angled steps |
| 02/05/1992 | EP0469373A2 Lining for underground mine galleries |
| 02/04/1992 | CA1295138C Mine roof truss |
| 01/29/1992 | CN2094618U Protecting device for tunnel construction |
| 01/09/1992 | DE4021271A1 Reducing tension stress in roof of underground working - involves rock anchors in clusters coupled together by tie rods and fixed to face by plates |
| 01/09/1992 | DE4019609A1 Renovation mat for shaft - consists of two interconnected parts made of longitudinal and transverse rods |
| 01/09/1992 | DE4019280A1 Construction of underground roadways - uses mat reinforcement with arch supports and distribution bars pneumatically concreted in |
| 01/08/1992 | EP0465413A1 Device for the suspension of intermediate ceilings |
| 12/31/1991 | US5076729 Tunnel-driving and support system |
| 12/26/1991 | WO1991019690A1 Method for mine support and composition |
| 12/24/1991 | US5074711 Profiled seal for tunnel segments |
| 12/19/1991 | DE4019281A1 Mine-walling mat-production method - forms profiled portions without transverse bars by bending lengthwise ones |
| 12/11/1991 | EP0460891A2 Reinforced earth blast resistant structures and method of construction thereof |
| 12/05/1991 | DE4017259A1 Structure for underground chamber - is used in transition area between gallery and coal face, floor beam, and gallery frame beam |
| 11/26/1991 | CA1292352C Impervious shelter made of modules |
| 11/21/1991 | DE4015975A1 Fully mechanical access panel in lining segment of tunnel - has recess with an infill panel bolted to it to give access for manipulation |
| 11/19/1991 | US5066167 Prestressed concrete lining in a pressure tunnel |
| 11/15/1991 | CA2020773A1 Mine roof support truss and components |
| 10/17/1991 | DE4012758A1 Supporting device for drilling or blasting operations in mining - consists of working platform suspended from rail with pivoted arms to brace into arched supports |
| 10/09/1991 | EP0450220A1 Method of renovating and/or protecting sewers or pipes |
| 10/09/1991 | EP0319546B1 Section for the shoring of mines and tunnels |
| 10/08/1991 | US5054964 Stiffening element for a lattice girder |
| 10/02/1991 | CN1055035A Underground trolley road construction method |
| 09/24/1991 | CA1289342C Prefabricating concrete arches in adjustable mould of jointed sections |
| 09/19/1991 | WO1991014077A1 System and method for transmitting and calculating data in shield machine |
| 09/12/1991 | DE4006972A1 Concrete structure fire-protection system - comprises arresting layer on side towards area used by public |
| 09/10/1991 | US5046893 Panel with a fretted transversal section, to be mounted longitudinally as a covering for the inside walls of road tunnels |
| 09/05/1991 | WO1991013239A1 Lining of rock-faces such as tunnels and the like, and a method to provide the lining |
| 09/04/1991 | CN1013788B Method for damming water flow of natural and artificial tunnel |
| 09/04/1991 | CN1013787B Circular heading machine |
| 09/03/1991 | US5044823 Relating to seals |
| 08/29/1991 | DE4100902A1 Attaching sealing membrane to substrates - using hooked pile type fasteners fixed to membrane and to e.g. foundation respectively so that bond can always be released if desired |
| 08/29/1991 | DE4005727A1 Intersection of longwall face with mining roadway - is supported by flat perforated bar holding cleats to fit arched supports in roadway |
| 08/28/1991 | EP0443608A1 Appliance for preventing water from leaking through joint |
| 08/21/1991 | EP0441812A1 Pipe repair apparatus |
| 08/14/1991 | EP0441250A1 Sealing strip for tunnel segments |
| 08/14/1991 | DE4003865A1 Support lining for mining roadways or longwall faces - comprises narrow steel strap with connecting eyes at each end for coupling to other straps |
| 08/08/1991 | WO1991011591A1 Method of assembling segments to line tunnel inner wall and segment assembling apparatus |
| 08/08/1991 | WO1991011590A1 Automatically advancing supporting and sliding form for introducing an in-situ concrete lining |
| 08/08/1991 | DE4103089A1 Arches for supporting tunnel roof - have end faces with grooves to receive elastomeric sealing strips |
| 08/08/1991 | DE4003678A1 Arch for supporting roof of tunnel - is constructed from arch segments with compressible joints containing aerated clay |
| 08/08/1991 | DE4002331A1 Support for mine gallery roof - is made from flat and corrugated sheet steel to form passageway for cooling medium |
| 08/06/1991 | CA1287225C Truss systems and components thereof |
| 07/31/1991 | EP0439198A1 Underground support arch |
| 07/30/1991 | US5035538 Arcuate precast tunnel lining segments |
| 07/25/1991 | WO1991010809A1 A method for sealing of rock caverns |
| 07/25/1991 | DE4006483C1 Wire lagging mat for mines and tunnels - has transverse rods extended outwards over top and bottom long rods to form coupling hooks and eyelets |
| 07/25/1991 | DE4001949A1 Pressure monitor for cement injection point behind tunnelling machine - by extrapolating from pressure differences measured at points along cement delivery pipe |
| 07/25/1991 | DE3943367C1 Assembly rig for road arch pin props - has vertical pocket, for prop channel section, forming part of movable side |
| 07/24/1991 | EP0438383A1 Prestressed lining concrete in a pressure gallery |
| 07/11/1991 | WO1991010862A1 Method for lining the inside of an accessible pipe and tunnel ring for implementing same |
| 07/11/1991 | DE4000393A1 Support for tunnel roof - is formed by steel arch with gap between arch and surrounding earth filled with flexible hose |
| 07/11/1991 | DE3940445C1 Mechanism extending range of mine working platform - has face rail as short one with coupler one end, and welded end barrier other end |
| 07/11/1991 | CA2073433A1 Method for lining the inside of an accessible pipe and tunnel ring for implementing same |
| 07/03/1991 | EP0435823A1 Lattice girder for concrete cover |
| 06/25/1991 | US5026217 Mine roof support truss and components |
| 06/20/1991 | DE4014437A1 Method of lining mining roadway - involves rolls of lagging mat fixed against rock surface behind arched supports and backfilling |
| 06/20/1991 | DE4012596A1 Mining roadway lining machine - runs on overhead monorail and has working platform equipped with jack setting and other machinery |
| 06/20/1991 | DE3941760A1 Rail track for mining roadway lining machine - consists of series of linked rails connected to support lining by suspended claws |
| 06/18/1991 | CA1284890C Method for rendering waterproof a roller compacted concrete or rubble hydraulic structure |
| 06/13/1991 | DE4038776A1 Driving tunnel where rock face breaks away - involves oblique driving of anchor rods into solid roof rock and fixing ends in reinforced lining |
| 06/12/1991 | EP0432032A1 Sealing strip for tunnel lining segments |
| 06/06/1991 | DE4011907A1 Roadway heading chamber for temporary support of mining tunnel - comprises front and rear sections with roof supports and back-filled support all carried on framework |
| 05/30/1991 | WO1991007571A1 Hollow-section sealing strip made of elastic for sealing arched tunnel roofs |
| 05/28/1991 | US5018907 Mine roof system |
| 05/22/1991 | CN2077482U Process and implements for wet-spraying concrete support in gallery |
| 05/16/1991 | WO1991006745A1 An arrangement in a tunnel vault |
| 05/15/1991 | EP0426709A1 A process and device for distributing pumpable viscous materials among several lines. |
| 04/18/1991 | DE3934198A1 Sealing strip of flexible material for tunnel section joints - comprises one-piece profile of projecting anchors joined by membrane to body |
| 04/18/1991 | DE3933577A1 Support lining for mining roadways - consists of pairs of corrugated roof and prop sheets bolted together and assembled in rear |
| 04/17/1991 | CN1012380B Method for rendering waterproof roller compacted concrete or rubble hydraulic structure |
| 04/11/1991 | DE3938342C1 Jack for voids in mining - has outer skin containing expandable absorbent material |
| 04/11/1991 | DE3931986C1 Coupling to bind overlapping ends - has profiled shell to fit around bottom rib together with hooked bolts |
| 03/20/1991 | EP0417517A1 Jointing means |
| 03/14/1991 | DE3927446C1 Yieldable tunnel wall support - has segmental frames with sprayed concrete and infill |
| 03/06/1991 | EP0414991A1 Sealing strip for the sealing of joints of vault or tunnel cladding elements |
| 03/05/1991 | US4997317 System and method for supporting a mining gallery |
| 02/27/1991 | EP0414617A1 Profiled elastomer seal for tunnelvault |
| 02/27/1991 | EP0414137A1 Sealing profile for tunnel-segments |
| 02/27/1991 | EP0413693A1 Reinforced concrete construction for road tunnels. |
| 02/21/1991 | DE4026076A1 Profiled natural or synthetic rubber sealing strip - fits in groove around tunnel segments even where large cracks and packing occur |
| 02/20/1991 | CN1049393A Double-locating type cable band and its moulding process |