| 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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| 03/28/1989 | US4815860 Method for the manufacture of sprayable concrete |
| 03/23/1989 | DE3829286A1 Sealing profile for tunnel segments |
| 03/21/1989 | US4813813 Method for constructing a tunnel |
| 03/15/1989 | EP0307066A2 Method of shotcreting |
| 03/15/1989 | EP0306796A1 Sealing profile for tunnel segments |
| 03/15/1989 | EP0306581A1 Sealing element for tunnel lining segments |
| 03/14/1989 | US4812084 Tubbing ring for lining a tunnel |
| 03/09/1989 | WO1989001864A1 Fire resistant insulation composition |
| 03/09/1989 | DE3729123A1 Method of sealing the construction areas of rock spaces, reinforced concrete structures or the like |
| 03/08/1989 | EP0305834A2 Process and apparatus for making a duct in an underground borehole |
| 02/28/1989 | US4808030 Shield tunneling method and assembling and disassembling apparatus for use in practicing the method |
| 02/23/1989 | DE3827441A1 Shield driving method for a tunnel |
| 02/22/1989 | EP0303775A1 Method for making a tunnel by using a driving shield |
| 02/16/1989 | DE3822470A1 Sealing ring for sealing tunnel elements |
| 02/16/1989 | DE3731124A1 Fireproofing system for structures, in particular for tunnel walls |
| 02/15/1989 | EP0302863A1 Process for strengthening and sealing geological formations |
| 02/08/1989 | EP0302243A1 Lining arch for tunnels |
| 02/07/1989 | CA1249730A1 Roof truss sling |
| 02/02/1989 | DE3724702A1 Clamping bracket on mine-support channel sections |
| 02/02/1989 | DE3724608A1 Arrangement for the lining of galleries constructed by mining technique |
| 02/01/1989 | EP0301188A1 Shuttering for lining a tunnel with concrete cast in situ |
| 02/01/1989 | CN1030810A Circular heading machine |
| 01/31/1989 | US4801222 Pressure-tight pipe connection for a driven pipeline |
| 01/25/1989 | EP0300159A1 Method and device for lining a tunnel with concrete cast in situ |
| 01/24/1989 | US4799824 Method of making covering wall of tunnel made by shield type excavator |
| 01/19/1989 | DE3722183A1 Lagging mat independent of the distance between support units |
| 01/12/1989 | DE3727715A1 Service tunnel with longitudinal bracing in transportable reinforced-concrete rectangular-section segments |
| 01/11/1989 | EP0188487B1 Large cross-section sunken conduit |
| 01/10/1989 | US4797032 Sealing profile |
| 01/05/1989 | DE3820419A1 Stuetzausbau fuer den ausbau von strecken Stretch Stuetzausbau for the expansion of |
| 01/05/1989 | DE3815674A1 Flexible lagging sheet |
| 01/03/1989 | US4795264 Arrangement for concrete production in tunnels |
| 12/07/1988 | EP0294304A1 Device and method for sealing and lining a tunnel |
| 12/07/1988 | EP0293381A1 System for the insulation of mining installations and a method for implementing the system. |
| 12/06/1988 | US4789267 Method of and apparatus for concrete tunnel lining |
| 12/01/1988 | WO1988009426A1 Circular heading machine |
| 12/01/1988 | DE3815673A1 Rollable lagging mat with flat bars |
| 12/01/1988 | DE3717461A1 Lagging mat with lockable button-joint connection |
| 11/29/1988 | US4787775 Arrangement for transmitting force from a sheet made of polymer material onto a supporting surface |
| 11/24/1988 | DE3714869A1 Sealing system for the sealing of tunnel elements |
| 11/24/1988 | DE3714764A1 Easily adjustable composite mat |
| 11/22/1988 | US4786206 Lining tunnel wall made by shield type tunnel excavator |
| 11/17/1988 | DE3720635A1 Support section segment, in particular of a channel section |
| 11/09/1988 | EP0289721A2 Method and device for continuously proportioning powdered materials using a gas under pressure |
| 11/02/1988 | EP0219501B1 Prefabricated support and covering structure, particularly for constructing tunnels, bridges and the like |
| 10/25/1988 | CA1243498A1 Process for waterproofing surfaces |
| 10/11/1988 | US4776729 Active systemic roof control at a mine opening |
| 10/11/1988 | CA1242896A1 Roof support system for a mine and the method and tooling for providing the same |
| 10/04/1988 | US4775266 Structure and method for deterring cutter roof failure |
| 09/28/1988 | CN88101510A Moving mould of tunnel liner device |
| 09/08/1988 | DE3706332A1 Clamping connection having identical components |
| 09/06/1988 | US4769192 Forming wet concrete; radially expandable elastic shell; pouring around exterior surface and applying pulsating fluid pressure to interior to reduce friction by contraction and expansion |
| 09/06/1988 | US4768898 Process and apparatus for continuously lining a tunnel with extruded concrete |
| 09/01/1988 | DE3801121A1 Tension or compression bar for connecting two concrete parts |
| 09/01/1988 | DE3715720A1 Use of sealing materials for reducing compressed-air losses in mine tunnelling |
| 08/30/1988 | US4767242 For use in mines |
| 08/18/1988 | DE3703432A1 Underground shaft lining - comprises rings in steel sections filled with concrete and with curved bases |
| 08/17/1988 | EP0278326A1 Fixing device for lining panels |
| 08/11/1988 | DE3702404A1 Tubbing support |
| 08/09/1988 | US4762441 Sealing profile |
| 08/04/1988 | DE3701605A1 Apparatus for transporting and assembling support material |
| 08/02/1988 | US4761099 Injecting polyurethane forming mixture |
| 07/28/1988 | DE3701486A1 Apparatus for positioning parts arranged in a row |
| 07/28/1988 | DE3701485A1 Apparatus for gripping and positioning parts arranged in succession |
| 07/28/1988 | DE3701484A1 Apparatus for positioning parts arranged in a row using grippers |
| 07/28/1988 | DE3700883A1 Method of renewing linear underground structures accessible by walking or crawling and having a closed profile, in particular sewers, as well as a set of plastic structural elements for realising the method |
| 07/19/1988 | US4758295 Injecting an impregnating agent containing polyurethane; foaming and curing |
| 07/12/1988 | US4756952 Water-swellable caulking material for water-leakage prevention |
| 07/07/1988 | DE3710711C1 Top strap |
| 07/07/1988 | DE3643145A1 Lagging mat for roadway lining and method for fitting the same |
| 07/07/1988 | DE3643128A1 Connected lagging mat |
| 07/07/1988 | DE3643061A1 Lagging mat for mine support |
| 07/06/1988 | EP0273502A1 Modular structural element for supporting excavations inside rock |
| 07/06/1988 | EP0273104A1 Joint pack ring |
| 06/30/1988 | DE3643676A1 Permanent lining aid for tunnel sealing |
| 06/30/1988 | DE3643675A1 Lining aid for tunnel sealing |
| 06/29/1988 | EP0272415A2 Device for making concrete in a tunnel |
| 06/22/1988 | CN87100318B Secretly digging method with predisposed roof |
| 06/21/1988 | CA1238173A1 Beam coupling |
| 06/16/1988 | DE3642684A1 Apparatus for transporting and for facilitating the installation of support material |
| 06/14/1988 | CA1237913A1 Water-swellable caulking material for water-leakage prevention |
| 06/09/1988 | DE3710681C1 Lagging mat for mine support |
| 06/09/1988 | DE3641412A1 Process for lining a tunnel, shaft or the like with tubbing |
| 06/08/1988 | EP0270287A1 Gasket seal |
| 06/07/1988 | US4749310 Mine roof truss |
| 06/07/1988 | US4749307 Seal structure for joint between two structural sections |
| 05/19/1988 | WO1988003598A1 Tunnel or sewer lining system |
| 05/11/1988 | EP0267113A1 Sealed shelter made of modules |
| 05/11/1988 | DE3633356A1 Roadway-support machine with integrated drilling arm |
| 05/11/1988 | CN86108364A Method laying down cover wall in the tunnel dug by shield type tunneller, and applied template module |
| 05/05/1988 | DE3637032A1 Concrete-placing manipulator, preferably for mining and tunnelling |
| 04/28/1988 | DE3636433C1 Support element |
| 04/14/1988 | DE3634252A1 Wedge trough fishplate |
| 04/12/1988 | CA1235150A1 Circular heading machine |
| 04/07/1988 | DE3632189A1 Pressure tunnel |
| 04/05/1988 | US4735234 Buried large cross-section conduit |
| 03/31/1988 | DE3632626A1 Shuttering |
| 03/24/1988 | WO1988001679A3 Process and device for lining and securing a subterranean hollow space opened by the shield-driving method |
| 03/24/1988 | DE3631385A1 Method of supporting underground roadways with the use of mining mortar on a gypsum basis, and mining mortar intended for carrying out this method |
| 03/17/1988 | DE3630149A1 Driving shield with erector mounted therein |