| 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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| 05/31/2000 | DE19837907C2 Reibungsschloß für eine offene Profilverbindung eines Gleitbogenausbaus aus gewalzten Rinnenprofilen Friction lock for an open tread compound of a Gleitbogenausbaus of rolled channel profiles |
| 05/31/2000 | CN1053030C Self-advancing shielding structure of combined slide protection plate |
| 05/23/2000 | CA2254302A1 An improved friction washer |
| 05/17/2000 | EP1001112A1 Support for a formwork for the execution of a haunch |
| 04/26/2000 | EP0995013A1 Sealing arrangement for tunnel segments |
| 04/25/2000 | US6052960 Water cutoff junction member for concrete products to be joined together |
| 03/30/2000 | WO2000017126A1 Method, liquid composition, and use of such a liquid composition when sealing water-bearing capillaries in rock |
| 03/29/2000 | EP0989285A1 Tunneling device |
| 03/28/2000 | CA2163926C Apolar medium gel and use of said for the preparation of water-based drilling fluids |
| 03/23/2000 | DE19843170A1 Underground trackway is advanced and dismantled by a section cutting machine mounted on a tracked vehicle |
| 03/21/2000 | US6039509 Mine roof support apparatus and method |
| 03/16/2000 | DE19842022A1 Pre-assembled units of joint elements for tubbings to be used in mining or tunneling facilitate transport and manipulation |
| 03/15/2000 | EP0985800A1 Drainage device for waterproofing lining |
| 03/02/2000 | WO2000011319A1 Method of and apparatus for prestressing a support in underground mines |
| 03/02/2000 | WO2000011318A1 Apparatus for prestressing a support in underground mining |
| 03/02/2000 | DE19838472A1 A method for moistening mined material in underground workings has an electromagnetic short wave generator and detector to control a water valve |
| 03/01/2000 | EP0982472A1 Sealing assembly for tunnel segments |
| 03/01/2000 | EP0897442B1 Device for pouring out concrete |
| 02/24/2000 | DE19836040A1 Arch support friction join for mines and tunnels joins overlapped channels by tip hook and bottom clamp using locking screws to prevent mutual slide at join. |
| 02/16/2000 | EP0979927A1 Tunnel lining segment |
| 02/16/2000 | CN1244901A Jointing construction |
| 02/16/2000 | CN1244624A Arc piece |
| 02/10/2000 | DE19925932A1 Road tunnel is formed by a single tunnel pipe divided by a vertical center wall to give the half-sections for each traffic lane |
| 02/10/2000 | DE19835557A1 Grid carrier frame for tunneling etc has stiffeners to position the transverse rods in a triangle without lateral stiffeners to allow the frames to be stacked |
| 02/09/2000 | EP0978626A1 Method of constructing a tunnel lined with a tubing element |
| 02/03/2000 | WO2000005487A1 Waterproof cladding |
| 02/02/2000 | EP0976877A1 Vault construction method, support member and half shell for obtaining the vault |
| 01/27/2000 | WO2000004314A1 Method and device for laying an underground duct made of a plastic material |
| 01/20/2000 | WO2000003121A1 Sealing device |
| 01/20/2000 | WO2000002973A1 Material for water cut-off and method for cut-off of water |
| 01/19/2000 | CN1241678A Jointing method for telescopic U-steel overlap sections of support |
| 01/14/2000 | CA2243016A1 Concrete block mining method |
| 01/13/2000 | DE19928877A1 Seal for tunnel segments has double profile grooves on butting ends of segments and with shaped elastomer seal clipped into one groove |
| 01/13/2000 | DE19841047C1 Method of forming tunnel covering |
| 12/30/1999 | DE19828503A1 New design of support frame for air placed concrete shell to be used in mining or tunnel construction |
| 12/29/1999 | WO1999067506A1 Tunnel boring machinery |
| 12/29/1999 | CA2336200A1 Tunnel boring machinery |
| 12/22/1999 | CN1239468A Silicon carbide reinforced silicon carbide composite |
| 12/21/1999 | US6004077 System for securement of a mesh screening means and method of installation |
| 12/16/1999 | WO1999064721A1 Improved tunnel liner building method and building panels therefor |
| 12/08/1999 | CN1047225C Fully-enclosed cave internal anti-leakage method |
| 12/05/1999 | CA2273744A1 Hydraulic cable tensioner |
| 12/02/1999 | DE19841380C1 Support mat for underground working |
| 12/02/1999 | DE19824453A1 Container for backfilling underground workings |
| 12/02/1999 | DE19823901A1 Method for tunnelling and for lining tunnel walls |
| 12/02/1999 | DE19807036C1 Sealing method for tunnel machined-lined with tube segments |
| 11/30/1999 | US5992118 Segment for lining cavities |
| 11/18/1999 | DE19859821A1 Shield assembly for boring tunnel |
| 11/11/1999 | DE19837907A1 Friction lock joining support profiles for mining |
| 11/10/1999 | EP0955448A1 Joining construction |
| 11/09/1999 | US5980156 Tunnel liner building method and building panels therefor |
| 11/04/1999 | WO1999056002A1 Cable line stopping |
| 10/28/1999 | WO1999054593A1 Device and method for fixing a sealing element on a casing in a stable position |
| 10/28/1999 | DE19918215A1 Method of measuring radial deformations of a tunnel construction enables reliable and very accurate measurement |
| 10/27/1999 | CN1232919A Lining element for drilled tunnel |
| 10/26/1999 | US5971667 Apparatus for movement along an underground passage and method using same |
| 10/26/1999 | US5971401 Ring seal for apertures of multi-shelled structures, especially of underground operation |
| 10/21/1999 | WO1999053173A1 Tunneling device |
| 10/21/1999 | DE19817429A1 Preparation of cast concrete sections with integral seals |
| 10/19/1999 | US5967703 Mine roof support system |
| 10/13/1999 | EP0949403A1 Lining element for a drilled tunnel |
| 10/09/1999 | CA2261253A1 Lining element for a drilled tunnel |
| 10/06/1999 | EP0946460A1 Silicon carbide reinforced silicon carbide composite |
| 10/06/1999 | CN2342097Y Simple and adjustable mould lining-building step-building vehicle for double line channel |
| 09/30/1999 | DE19826120A1 Flammhemmendes, elektrisch leitendes Gewebe Flame retardant, electrically conductive fabric |
| 09/28/1999 | US5957627 Pillar cable truss system |
| 09/28/1999 | CA2164389C Flexible joint for a culvert |
| 09/22/1999 | EP0943710A2 Flame retardant electrically conductive cloth |
| 09/22/1999 | EP0943052A1 Method of manufacturing a tunnel or shaft lining or pipeline |
| 08/25/1999 | CN2334873Y Air adding device for liquid quick-solidifying agent |
| 08/12/1999 | DE19804588A1 New design of tubbing ring especially suitable for tunnel in gravely environs with no ground water |
| 08/05/1999 | WO1999039081A1 Device for joining two concrete members together |
| 07/28/1999 | EP0931909A1 Process for pressing an annular chamber with mortar, between the rock and the tubing |
| 07/28/1999 | EP0931908A1 Tubing lining for an underground cyilindrical construction in low stability soils |
| 07/28/1999 | CN2330707Y Slurry injector |
| 07/27/1999 | CA2038374C Fixing means for connecting components |
| 07/21/1999 | CN1223329A Method for pressure filling mortar into circular cavity between tubbing and rock |
| 07/14/1999 | CN1222947A Sealing section for tunnel segments and tunnel comprising such sealing sections |
| 06/30/1999 | CN2326727Y Concrete-spraying trolley for tunnel construction |
| 06/30/1999 | CN1221467A Composite concrete metal encased stiffeners for metal plate arch-type structures |
| 06/29/1999 | US5915886 For sealing and reinforcing the walls of a manhole |
| 06/23/1999 | CN2325516Y Multi-function machine vehicle for lining tunnel |
| 06/22/1999 | US5913641 Tensionable cable truss support system |
| 06/10/1999 | WO1999028596A1 Fireproof element and its fabrication |
| 06/10/1999 | WO1999028595A1 Whale skeleton construction method for tunnel having large section |
| 06/10/1999 | WO1999028162A1 Device for the mutual support of two construction members |
| 06/10/1999 | CA2312382A1 Fireproof element and its fabrication |
| 06/02/1999 | CN1218527A Reinforcement frame for structures and method of constructing building structures using same reinforcement frame |
| 05/20/1999 | WO1999024750A1 Jointing ring |
| 05/20/1999 | DE19800559A1 Fireproof concrete roofing arrangement |
| 05/14/1999 | WO1999023357A1 Joint metal of rc segment, trimming die and fitting metals |
| 05/11/1999 | CA2070375C Apparatus for everting a tube and method of using same |
| 05/06/1999 | EP0912817A1 Connecting device for connecting concrete segments |
| 04/22/1999 | WO1999019604A1 Automatic control system for a concrete distributing pipe in tunnel lining |
| 04/22/1999 | WO1999019603A1 Arched support structure |
| 04/22/1999 | CA2306956A1 Automatic control system for a concrete distributing pipe in tunnel lining |
| 04/15/1999 | WO1999018331A1 Method of manufacturing a tunnel or shaft lining or pipeline |
| 04/14/1999 | CN1214095A Partly overhanging building structure under natural ground and process for cladding overhanging natural ground wall section |
| 04/07/1999 | EP0807204B1 Seal arrangement for tubular tunnel segments |
| 03/31/1999 | EP0904465A1 Composite concrete metal encased stiffeners for metal plate arch-type structures |