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)
02/1991
02/14/1991DE3925583A1 Mining gallery permanent support lining - comprises flat fabric skin filled with hardening material supporter against rock until hard
02/12/1991US4992334 Low temperature waterproofing laminates
02/12/1991US4991999 Corrugated structural panels
02/07/1991DE3925638A1 Permanent lining lifting device for use in mining - has swinging jib to pick up and erect lining frames and capping, and runs on overhead rails
02/06/1991CN1011524B Machine of installing supports for tunnelling
02/05/1991US4990027 Small diameter
02/05/1991CA1279761C Clamps
01/1991
01/30/1991EP0410335A2 Reinforcing member for the formation of support frames in tunnelling
01/30/1991CN1011425B Pipe line or pipe components
01/29/1991CA1279741C Grouting composition
01/24/1991DE3923265A1 Suspension for rails of lining machinery in mining - includes adjustable traverse pinned to vertical perforated rod and claws to attach to ribs
01/23/1991EP0408577A1 Shelter
01/10/1991DE3922047A1 Shaft bell for tunnel - comprises sectional frames and supports with built-in expansion devices
12/1990
12/19/1990EP0402576A1 Shield machine for use in a shield tunneling method for constructing a small diameter tunnel
12/19/1990CN1047904A Movable framework of tunnel wall covering apparatus
12/18/1990US4978073 Apparatus for pneumatically discharging liquified building material containing a hardener
12/06/1990DE3931369A1 Fixing device for sealing foil over concrete tunnel lining - consists of socket embedded in concrete and profiled press stud to fix sealer
12/05/1990EP0400814A1 Reinforced concrete lining segment incorporating nonreturn valve
11/1990
11/29/1990DE4016247A1 Sealing strips for tunnel segments - have internal bores connected by tubes to side where water is under pressure so that pressure increases efficiency of seal
11/14/1990EP0397400A1 Seal
11/14/1990CN1010423B Process for sealing off the water flowing in tunnels, mine entries, canals and other known subsurface ducts
11/13/1990US4969769 Joints between elements
11/07/1990EP0293381B1 System for the insulation of mining installations and a method for implementing the system
11/06/1990CA1275813C Large diameter burried pipe
10/1990
10/31/1990EP0394806A1 Method and apparatus for tunnelling
10/25/1990DE3913325A1 Municipal services conduit seal - comprises protruding rubber frame fitting in peripheral recess in cover
10/11/1990DE3911477C1 Process for producing a sprayable, porous insulating material for underground mining
10/11/1990DE3911398A1 Process for sealing concrete filling nozzles, and apparatus for carrying out the process
10/11/1990DE3911397A1 Method and device for blocking formwork plates
10/02/1990US4960348 Truss systems, components and methods for trussing arched mine roofs
09/1990
09/27/1990DE3909212A1 Apparatus for introducing concrete into tunnel shutterings
09/27/1990DE3908968C1 Method and support elements for supporting underground tubes
09/20/1990DE3934222C1 Underground coal mine road heading - involves movable limiting members in lagging mats to hold backfill in place
09/13/1990DE3906750A1 Tunnel frost protection
09/13/1990DE3902777A1 Steel-plate segment for a roadway support
09/12/1990EP0386396A2 Composite apparatus for making galleries
09/12/1990EP0386368A2 Improvements in or relating to joining concrete elements
09/06/1990DE3906749A1 Tunnel frost protection
09/05/1990EP0375738A4 Fire resistant insulation composition
08/1990
08/29/1990EP0248725B1 Method of rendering a hydraulic structure made of compacted concrete or filled earth water-tight
08/23/1990DE4003525A1 Lattice girder for supporting freshly cut tunnels - comprises longitudinal members braced transversely and with meander strutting
08/23/1990DE3908970C1 Support element for mine roadways and tunnels
08/23/1990DE3905388A1 Method of constructing subterranean plane load-bearing structures
08/22/1990EP0383456A2 Improvements relating to arch setting
08/15/1990CN1009169B Moving mould of tunnel liner device
08/09/1990DE3919277C1 Yielding arch support in mine - has arch segments connected by sliding system
08/08/1990EP0381615A2 Stiffening element for a lattice girder
08/08/1990EP0273104B1 Joint pack ring
08/07/1990US4946315 Mine roof system
08/07/1990US4946309 Sealing profile
08/01/1990CA2007292A1 Stiffening element for a lattice girder
07/1990
07/26/1990DE3902128A1 Temporary roadway-support and transport system
07/26/1990DE3901689A1 Method of constructing forepoling wire-mat lagging and devices for carrying out the method
07/26/1990DE3901611A1 Method of filling cavities in underground mining, and apparatus
07/25/1990EP0378972A2 Grid lagging for a tunnel lining
07/18/1990EP0378371A1 Low temperature applicable waterproofing laminates
07/12/1990DE3900431A1 Underground gallery support
07/10/1990US4940360 Insulated tunnel liner and rehabilitation system
07/04/1990EP0376896A2 Profiled panel for lining the interior walls of traffic tunnels
07/04/1990EP0375738A1 Fire resistant insulation composition.
06/1990
06/27/1990EP0375427A1 Improvement in and relating to seals
06/21/1990DE3842444A1 Frost protection for tunnels
06/21/1990DE3842236A1 Device for the strutting of support frames for tunnel or roadway support in mining
06/20/1990EP0373308A2 Tying means for concrete works below ground
06/20/1990CN1008464B Air stream agitating and ebullient spraying technology and equipments
06/19/1990US4934873 Mine roof support utilizing roof anchors having eye-bolt heads
06/13/1990EP0372609A1 Universal tubbing element for lining excavations of circular shape
06/13/1990DE3841455A1 Device for laying seals
06/07/1990DE3840603A1 Spacers
06/05/1990US4931098 Method for adding silica fume to dry shotcrete mixture
05/1990
05/31/1990WO1990005836A1 Process for the lagging of walls and ceilings in rock spaces and system for use in such lagging
05/31/1990DE3937711A1 Tensioning straps and bolts for fixing lining frames - are used in mining and comprise symmetrical profiled flat bars
05/31/1990DE3839472A1 Tunnel frost protection
05/23/1990EP0369030A1 Articulated shield excavator
05/23/1990DE3839002A1 Method and edge bearer for the support of an underground mining space in the roadway/face transition area
05/23/1990DE3839001A1 Support for roadways and tunnels
05/23/1990CN2057458U Sealing supporter specially suitable for drifting galleries
05/17/1990WO1990005267A1 Internal pipe repair sleeve and liner
05/17/1990DE3838630A1 Tunnel frost protection
05/16/1990EP0368174A1 Sealing strip for tunnel segments
05/15/1990CA1268935A1 Process for strengthening and sealing geological formations
05/10/1990DE3936767A1 Sealing profile for tunnel lining segments - has pressure lip on water pressure side, which extends at sharp angle towards gap middle in free state
05/08/1990US4924379 Multiprocessor system with several processors equipped with cache memories and with a common memory
05/03/1990DE3836293A1 Frost protection for tunnels in competent rock
04/1990
04/19/1990DE3837993A1 Fastening means
04/19/1990DE3837992A1 Spacer
04/19/1990DE3834701A1 Composite textile mat
04/17/1990US4917538 Tunnel lining process and apparatus therefor
04/10/1990US4915542 Process for waterproofing surfaces
04/03/1990US4913587 Form assembly for making covering wall of tunnel made by shield type excavator
04/03/1990US4913583 Method for waterproofing a roller compacted concrete of rubble
03/1990
03/28/1990EP0359988A2 Sealing connection between two curved wals with transition to a straight wall
03/27/1990US4911578 Process for making a tunnel and advancing a tunneling read with a wall-supporting shield
03/22/1990DE3914950A1 Textile hose for mine walling - has narrowed portions formed from outside to weaken hardening material contained in hose
03/20/1990US4909668 Movable sealing assembly for tunneling machines
03/13/1990US4907910 Roof structure for tunnel
02/1990
02/28/1990CN2053564U Magic hand for spraying concrete
02/22/1990WO1990001094A3 A process and device for distributing pumpable viscous materials among several lines
02/15/1990DE3844487C1 Anchorage for shuttering panels for embedding supporting load-bearing members in concrete
02/13/1990US4900607 Sealing profile
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