Patents
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)
09/1996
09/17/1996CA2144799A1 Insulating tunnel liner system
09/12/1996DE19507623A1 Tensioning connection for flexible tensioning of mine construction support frame
09/12/1996DE19506315C1 Schalung mit einem Voutenschalelement Formwork with a Voutenschalelement
09/06/1996WO1996027073A1 Seal and process for producing such seal
08/1996
08/29/1996WO1996026337A1 Formwork with a haunch formwork element
08/28/1996EP0728974A1 Buried pipe laying method
08/28/1996EP0655100B1 Travelling concreting device
08/27/1996US5549416 Device for joining two members together
08/27/1996CA1338560C Apparatus for pneumatically discharging a hardening building material, in particular, a hydraulic air-placed concrete or mortar
08/22/1996DE19505118A1 Yielding friction splice for joining U=section props in excavations
08/20/1996US5547317 Mine support system
08/13/1996US5544982 Mine strata support structure
08/08/1996WO1996023958A1 Seal arrangement for tubular tunnel segments
08/08/1996DE19603188A1 Elastomer seal arrangements between segments of tubular tunnel
08/07/1996EP0725185A1 Lining tunnels and method for its attachment
08/06/1996US5542788 Method and apparatus for monitoring mine roof support systems
08/02/1996CA2168151A1 Method of jointing members and a jointing structure
07/1996
07/31/1996EP0724066A1 Method for underground excavation
06/1996
06/19/1996EP0717151A1 A flexible joint for culvert
06/18/1996US5527135 Method for injecting lubricant or back-filling material into a space between the outside of double-wall pipes and the ground in the pipe-jacking method and an apparatus therefor
06/12/1996EP0716216A2 Tubing segments for lining a tunnel
06/12/1996EP0716189A1 A cut-off water process for a concrete underground structure
06/12/1996CN1124320A Prefabricated assembly steel reinforced concrete tunnel and tunnel construction technology
06/11/1996US5525013 Cable bolt structure and related components
06/05/1996EP0714978A1 Gel of a non-polar medium, and its use for preparing water-based drilling fluids
06/04/1996US5522677 Travelling concreting device
05/1996
05/29/1996EP0713956A1 Method and apparatus for lining a tunnel with concrete cast in situ
05/23/1996DE4441461A1 Stiffening element for braced girder of subterranean passage, esp. tunnel constructions
05/23/1996DE19513998C1 Walking walling mechanism supporting mine=gallery roof
05/09/1996DE19509315C1 Concrete post-treatment during tunnel concretion
05/02/1996DE4438352A1 Additional sealing for unsealed tubbing lining
04/1996
04/24/1996EP0510089B1 Method for lining the inside of an accessible pipe
04/18/1996WO1996011324A1 Apparatus for movement along an underground passage and method using same
04/09/1996US5505562 For use in a mine
02/1996
02/28/1996EP0585222B1 Injection means
02/07/1996CN1116437A Method of constructing a tunnel-shaped cover or screen over a traffic route, such as a road or railway
02/06/1996US5489164 Method of connecting two adjacent segments of a construction element
01/1996
01/30/1996US5487251 Apparatus and method for reinforcing cast structures
01/25/1996DE19502136A1 Friction lock for overlapping channel profiles with adjustable tightening bulges
01/10/1996CN2216992Y Pneumatic conveying and jetting equipment for wet and adhesion material
12/1995
12/19/1995US5476344 Injection means
12/07/1995DE19519244A1 Tunnel segment seal as profile in groove
12/07/1995DE19512283A1 Support channel connector as strap and stirrup clamping collars
12/05/1995US5472295 Shield tunneling method using flexible segments, flexible segments for shield tunneling method, and flexible segments for secondary application of shield tunneling method
11/1995
11/30/1995DE4404296C1 Anchor for brickwork or concrete
11/29/1995CN2213846Y Underwater tunnel bridge member
11/28/1995US5470178 Insulating tunnel liner system
11/22/1995EP0578797B1 Process and device for making the corners of sealing frames
11/14/1995US5466095 Underground support system and method of support
11/02/1995EP0679213A1 Method of constructing a tunnel-shaped cover or screen over a traffic route, such as a road or railway
10/1995
10/31/1995US5462391 Mine roof support cribbing system
10/25/1995CN1110736A Flexible fan shaped blocks used in making tunnel with shield construction
10/11/1995EP0676531A1 Slip-form casting for tunnel walls
10/11/1995EP0654112A4 Tunnel liner building method and building panels therefor.
10/11/1995EP0633966A4 Grid composite for backfill barriers and waste applications.
10/04/1995EP0674597A1 Pressure pad, in particular for filling mining cavities
09/1995
09/28/1995DE4447221A1 Friction lock for closed or half-open connection of sliding arch construction
09/27/1995EP0673734A1 Pre-cast concrete element and method of making same
09/21/1995DE19501293A1 Prefabricated shaft or chamber ring for sewers
09/19/1995US5450663 Method for fabricating a truss member for a mine roof support
08/1995
08/31/1995DE4418937A1 Lagging anchoring mat for roadway support of tunnels
08/31/1995DE4406299A1 Seal for concrete segments of tubular tunnel
08/31/1995DE4406298A1 Sealing system for tunnel construction
08/23/1995EP0504343B1 Apparatus for everting a tube; method of using same; and method of inserting a lining tube
08/16/1995CN2205445Y Lane arch working machine
08/09/1995EP0566711B1 Shield tail seal
08/08/1995US5439319 Tunnel barrier system and method of installing the same
08/03/1995WO1995020718A1 Apparatus for the passive support of overhead solids and support of services
08/03/1995CA2182172A1 Apparatus for the passive support of overhead solids and support of services
08/02/1995EP0665363A1 Assembling device for joining the tunnel lining segments
07/1995
07/25/1995US5436396 Stabilizing compositions and methods for stabilizing subterranean formations
07/13/1995WO1995018706A1 Plant for making concrete in a tunnel
06/1995
06/28/1995CN1104281A Fully-enlosed cave internal anti-leakage method
06/22/1995DE4343393A1 Plastic tunnel for underground railway
06/20/1995US5425602 Support sling
06/20/1995US5425601 Longwall mining roof control system
05/1995
05/31/1995EP0655100A1 Travelling concreting device.
05/31/1995EP0655028A1 Shuttering for the production of tunnel tubbing
05/30/1995US5419632 Method and apparatus for continuous mixing and injection of foamed cement grout
05/26/1995WO1995014141A1 Method of constructing a tunnel-shaped cover or screen over a traffic route, such as a road or railway
05/26/1995CA2154065A1 Method of constructing a tunnel-shaped cover or screen over a traffic route, such as a road or railway
05/24/1995EP0654112A1 Tunnel liner building method and building panels therefor
05/16/1995US5415498 Mine roof support systems and components
05/13/1995CA2134518A1 Longwall mining roof control system
05/11/1995DE4424491C1 Connecting device on a flexible roadway support comprising channel-shaped roadway-support profiles
05/11/1995DE4416006C1 Connecting device on a flexible roadway support
05/11/1995CA2135354A1 Device for lifting and alignment of nets in rock reinforcement
05/10/1995CN1102456A Tunnel liner, its fabrication method, and its fabrication apparatus
05/03/1995EP0651135A2 Device for joining two tunnel elements together
05/03/1995CA2134708A1 Device for joining two members together
04/1995
04/19/1995EP0648916A1 Profile strip made from flexible sealing material
04/13/1995DE4420235C1 Jointing shoe
04/12/1995EP0647740A1 Method and apparatus for making a lined trench in the soil; as well as a lined trench
04/05/1995EP0646216A1 Stabilizing compositions and methods for stabilizing subterranean formations.
03/1995
03/29/1995EP0644980A1 Corner area of a sealing frame for a tunnel tubbing.
03/14/1995US5396749 Method of cutting off water flow by grouting
03/09/1995DE4329525A1 Connectable linear lining element
03/02/1995DE4329333A1 Method for the temporary support of a tunnel or gallery driven in the manner of a vault
03/01/1995EP0640744A2 Reinforced steel concrete section tube
03/01/1995CN2190697Y Double pump double liquid multifunction mixer
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