| 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) |
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| 08/24/1993 | US5238329 Mine roof support system |
| 08/19/1993 | DE4221656A1 Pliable backfill for passage construction in mining - comprises strong concrete and deformable pipe sections inserted in each other |
| 08/11/1993 | CN2139991Y Automatic spraying forming device for mine tunnel concrete support |
| 08/05/1993 | WO1993014917A1 Process and device for making the corners of sealing frames |
| 08/04/1993 | EP0553723A1 Sealing joint for construction elements in contact, especially for concrete elements |
| 08/03/1993 | US5232302 Fixing means for connecting components |
| 07/29/1993 | DE4301981A1 Moulding tool for injecting corners into sealing frames - comprises inner and outer tool, injection gate in outer tool and inserts acting as end plugs for profiles located in inner tool |
| 07/29/1993 | DE4104798A1 Steel V=shaped clamping elements and arrangement - has curved steel body with end of each arm bulged having shoulder with concave, and convex parts |
| 07/22/1993 | WO1993014297A1 Process for preventing a profiled jointing strip from moving in relation to a tunnel structural component and profiled jointing strip produced thereby |
| 07/08/1993 | DE4200007A1 Tunnel sealing material - comprises layered textile material with pliability and a structure to take rock movement without damage |
| 07/07/1993 | EP0549595A1 Method of manufacturing a hollow self-supporting concrete structure, means for performing said method and structures obtained by means of the method. |
| 07/06/1993 | US5224654 Apparatus for pneumatically discharging liquified building material containing a hardener |
| 06/29/1993 | US5222837 Mine roof channel clamp |
| 06/24/1993 | DE4140722A1 Permanent formwork for structural fill lining or insulation in mining - consists of flexible water permeable crack resistant plastic fibre fleece one half millimetre thick and with surface weight of one hundred grams per square metre |
| 06/17/1993 | DE4239338A1 Layered capacitor element winder with pivotable pressure roller - takes up two superimposed layers of raw material on plate rotating in contact with sliding roller |
| 06/10/1993 | WO1993011341A1 Grid composite for longwall shield recovery in underground coal and trona mines |
| 06/10/1993 | CA2125150A1 Grid composite for longwall shield recovery in underground coal and trona mines |
| 05/19/1993 | EP0541681A1 Frost-protection lining for traffic tunnels in cold climates |
| 05/05/1993 | CN2131978Y Lining-building platform car for tunnel construction |
| 05/04/1993 | US5207038 Reinforced earth structures and method of construction thereof |
| 04/29/1993 | WO1993008370A1 Shield tail seal |
| 04/28/1993 | EP0538718A1 Improvements in a tunnel lining method and apparatus suitable for the purpose |
| 04/22/1993 | DE4234264A1 Schildschwanzdichtung Shield tail seal |
| 04/07/1993 | EP0535041A1 Method for mine support and composition |
| 04/07/1993 | CN2129341Y Hydraulic-grab additive machine |
| 04/06/1993 | US5199825 Grid composite for longwall shield recovery in underground coal and trona mines |
| 04/01/1993 | DE4132528A1 Plastics fixing device for attaching sealing foil to tunnel walls - comprises two concentric discs with concentric recessed metal plate which is nailed to the tunnel walls |
| 04/01/1993 | DE4131370A1 Supports for mining roadway - comprise arch sections formed into polygon and secured by bolted end plates and lockable hinges |
| 04/01/1993 | DE4130450C1 Support system in transition region between roadway and face - has longitudinal fittings inserted into trough sections of support system |
| 03/31/1993 | EP0534277A1 Sealing strip for tunnel lining segments |
| 03/17/1993 | EP0426709B1 A process and device for distributing pumpable viscous materials among several lines |
| 03/16/1993 | US5193960 Washer with elastic water-swellable rubber |
| 03/16/1993 | US5193940 Mine roof support system |
| 03/11/1993 | DE4125083A1 Supporting tunnel excavation regardless of tunnel profile - involves hollow plastics or metal tubbing joined by tongued=and=groove joints and subsequently filled with mortar |
| 03/11/1993 | DE3844776C2 Roof support for mining gallery |
| 03/04/1993 | DE4130161C1 Roadway arch support reinforcement - uses endless reinforcing cables, extending in roadway longitudinal direction, distributed over arch periphery |
| 03/04/1993 | DE4129171A1 Flexible segmental tubular supports for tunnel construction - are connected by modular joints to form polygon frame filled subsequently with building material |
| 02/24/1993 | CN1019937C Double-locating type cable band and its mfg. method |
| 02/18/1993 | DE4226214A1 Sealing of concrete lined tunnel excavation - is achieved by double layer of plastics foil fused onto fixings and distance pieces enclosing sealed void |
| 02/11/1993 | DE4225883A1 Schutzhaut, insbesondere fuer gewoelbebauwerke Protective skin, especially for gewoelbebauwerke |
| 02/04/1993 | DE4136060C1 Folding tunnel tube for mine - has two halves which are joined by hinge running along axis of tube |
| 02/02/1993 | US5183356 Method and device for distributing pumpable thick matter into several delivery pipes |
| 01/27/1993 | EP0524919A1 Lining of tunnels or galleries |
| 01/21/1993 | WO1993001237A1 Flexible formo-phenolic resins and uses thereof for obtaining flexible foams |
| 01/20/1993 | WO1993002264A1 Method of manufacturing a hollow self-supporting concrete structure, means for performing said method and structures obtained by means of the method |
| 01/20/1993 | EP0523363A1 Method for lining tunnels or the like |
| 01/19/1993 | US5180270 Water flow patch |
| 01/19/1993 | US5180253 Arrangement of prestressing tendons in a pressure tunnel |
| 01/13/1993 | EP0522917A1 Soft phenolformaldehyde resins and their use for soft foams |
| 01/13/1993 | EP0522912A1 Profiled sealing strip for tunnel lining segments made from elastomer |
| 01/12/1993 | CA1312472C Expandable retaining frame and placing process and apparatus |
| 01/05/1993 | US5176473 Mine roof truss and components |
| 12/23/1992 | EP0519155A2 Process of manufacturing of sprayable concrete and morton by using an additive |
| 12/23/1992 | CN2125703U Connecting plate elastic cleaning unit |
| 12/22/1992 | US5172919 Appliance for preventing water from leaking through joint |
| 12/15/1992 | US5171105 Process and device for lining tunnels and ducts having circular and non-circular cross-sections, especially for canal and tunnel construction |
| 12/09/1992 | EP0413693B1 Reinforced concrete construction for road tunnels |
| 12/09/1992 | CN1066907A Underground pipe making machine and its working method |
| 12/03/1992 | DE4117927A1 Loosening rusty collar nuts on sliding roadway arches in mine - using clamp to hold nut while explosive charge drives wedge into nut |
| 12/02/1992 | EP0515549A1 Lining of rock-faces such as tunnels and the like, and a method to provide the lining |
| 12/01/1992 | US5167474 Form for making a permanent concrete mine stopping |
| 12/01/1992 | US5167468 System for the robotic fabrication of pipelines and tunnels along unlimited three-dimensional curvilinear paths |
| 11/26/1992 | WO1992020901A1 Injection means |
| 11/26/1992 | WO1992020879A1 Process and element for sealing a joint in a building element |
| 11/19/1992 | EP0513083A1 Automatically advancing supporting and sliding form for introducing an in-situ concrete lining. |
| 11/19/1992 | DE4116267A1 Verfahren und mittel zum abdichten einer fuge in einem baukoerper Method and medium for sealing a fuge in a building |
| 11/18/1992 | CA2051301A1 Cap shoe |
| 10/28/1992 | EP0510501A1 Fastening anchor |
| 10/28/1992 | EP0510089A1 Method for lining the inside of an accessible pipe and tunnel ring for implementing same. |
| 10/28/1992 | CN1065699A Shape selfchanging steel die system |
| 10/21/1992 | CN1018750B Movable framework of tunnel wall covering apparatus |
| 10/14/1992 | EP0508719A1 Sealing composition |
| 10/13/1992 | US5154936 Apparatus for everting a tube |
| 10/06/1992 | CA1308267C Improvements in or relating to joints between concrete elements |
| 10/01/1992 | DE4109880A1 Protection against rock fall in mine - comprises corrugated arched plates located across gallery just under roof, fixed to sidewalls on anchored brackets |
| 09/22/1992 | US5149044 Cap shoe |
| 09/08/1992 | US5145281 Method of renovating and/or protecting sewers or pipes |
| 09/03/1992 | DE4138506A1 High performance textile mat for civil engineering use - has longitudinal and cross strips locked against each other at crossover points |
| 09/03/1992 | DE4106678A1 Support system for intersection of longwall and roadway in mine - includes trimmer beam supported by hydraulic jack with profiled cap to catch respective ends of longwall and roadway supports |
| 09/02/1992 | EP0501897A1 Shuttering lattice arch |
| 08/27/1992 | DE4102266C1 Multilayer resilient roadway or tunnel lining - has temporary lining reinforced by heavy duty textile fabric roller mats |
| 08/25/1992 | US5141363 Mobile train for backfilling tunnel liners with cement grout |
| 08/20/1992 | DE4104705A1 Multi-layer seal for railway tunnel - incorporates ventilated chambers which are vacuum tested and where leaking can be filled |
| 08/20/1992 | DE4104298A1 Profiled mat reinforcement used in permanent lining in mining roads - comprise corrugated mesh of wires combined with fine wire net and overlaid with rod reinforcement |
| 08/19/1992 | EP0498807A1 An arrangement in a tunnel vault. |
| 08/12/1992 | EP0498786A2 Method for limiting subsidence during the excavation of underground cavities |
| 08/12/1992 | CN2112689U Slurry making machine from clay |
| 08/11/1992 | CA1306113C Tunnel lining process and apparatus therefor |
| 08/04/1992 | US5135326 Articulated shield tunneling machine |
| 07/23/1992 | DE4101476A1 Steel profiled support member used in mining gallery - has stirrup shaped cross=section and is laid end on end with lapped ends |
| 07/23/1992 | DE4101349A1 Flexible concrete construction segments for tunnel building - are joined to form rings by tongues and sockets with foam material infill |
| 07/16/1992 | DE4101633A1 Process of fixing cushioned sealing membrane to tunnel walls - involves using compressed air plant to inflate it through hoses attached to it |
| 07/15/1992 | CN1017465B Closed supports |
| 07/07/1992 | US5127429 Method and device for distributing pumpable thick matter into several delivery pipes |
| 07/02/1992 | DE4104726C1 Mined roadway support with spaced support arches - has reinforcement mats, in support stowing space, and underpinning lintel |
| 06/25/1992 | DE4105431C1 Roof support for mine galleries of spaced arches - has end slab as integral part of lagging mat, whose fold forms slab proper |
| 06/17/1992 | DE4133577A1 Method of reducing or eliminating dynamic effect on permanent lining of mine tunnel - involves installation of cushioning layer simultaneously with drainage and sealing processes |
| 05/27/1992 | EP0486869A1 Washer with elastic water-swollen rubber |
| 05/27/1992 | DE4037074A1 Method of supported mining tunnels - involves endless fabric tubing unwound from drum and filled under pressure and presed against rock face |
| 05/14/1992 | DE4035659A1 Channel-profile mine extension arches - are extracted by release harness comprising stop claw and clamp wedge |