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)
03/1988
03/15/1988USRE32621 Frame girder for underground drift and shaft construction
03/15/1988US4730427 Shuttering and shoring wall
03/10/1988WO1988001680A1 Section for the shoring of mines and tunnels
03/10/1988WO1988001679A2 Process and device for lining and securing a subterranean hollow space opened by the shield-driving method
03/09/1988EP0258905A1 Process and device for lining and securing an underground cavern made by using a driving shield
03/03/1988DE3628606C1 Arrangement for fastening a tubbing segment to the erector arm of a tubbing-shifting appliance
03/02/1988EP0257287A1 Pressure-sealed pipe joint for a driving pipe made of steel
02/1988
02/25/1988DE3628607A1 Method of producing recesses of large area in the tubbing support of tunnel or shaft tubes and apparatus for carrying out the method
02/25/1988DE3628028A1 Tunnelling machine with RAM-operated shield - has trailing unit turned, pivoted and movable vertically and sideways
02/18/1988DE3626948A1 Apparatus for placing an arch support
02/16/1988US4725246 Connector for interconnecting flat cables
02/11/1988DE3720919A1 Sealing profile for segments of tunnel tubes
02/11/1988DE3626980A1 Tunnel lining
02/10/1988EP0255600A1 Sealing profile for segments of tunnel tubes
02/09/1988CA1232463A1 Method for producing hollow structures and hollow structures
02/09/1988CA1232461A2 Method for producing hollow structures and hollow structures
02/03/1988EP0254835A1 Process for making a tunnel lining of lining concrete, and device for carrying out
01/1988
01/27/1988CN87103870A Process for sealing off the water flowing in tunnels, mine entries, canals and other known subsurface ducts
01/20/1988EP0253051A1 Method for constructing a tunnel
01/07/1988EP0153935B1 Circular heading machine
12/1987
12/17/1987DE3621019A1 Method for producing a tunnel structure
12/17/1987DE3619593A1 Device for removing the supports from joint segments
12/16/1987CN87104677A Method for rendering waterproof a roller compacted concrete or rubble hydraulic structure
12/10/1987DE3632494C1 Apparatus for transporting finely divided or granular material - mixtures of construction material (material to be conveyed)
12/09/1987EP0248725A1 Method of rendering a hydraulic structure made of compacted concrete or filled earth water-tight
12/09/1987EP0248457A1 Process for strengthening and sealing geological formations
12/09/1987CN87103758A Machine of installing supports for tunnelling
12/03/1987DE3622650A1 Lining manipulator for the belt entry
12/03/1987DE3616908A1 Connection of support setting elements, consisting of sheet steel, for underground mining roadways
12/01/1987US4710058 Concrete lining machine
11/1987
11/26/1987DE3711517A1 Overhead travelling carriage for mine support erection - uses working platform support arm with multiple positioning system including sideways swing
11/26/1987DE3627348A1 Support-setting machine for roadway driving
11/26/1987DE3618780A1 Pre-wetting and conveying station for construction materials for underground operations
11/26/1987DE3617437A1 Device for installing arch stilts
11/26/1987DE3617136A1 Support setting machine for driving
11/24/1987US4708533 Method and a device for guiding a concrete feeding hose in connection with the grout feed in rock bolting
11/24/1987US4708532 Apparatus for storing a concrete feeding hose in a rock bolting device
11/24/1987US4708288 Method and apparatus for pneumatically discharging hydromechanically conveyed hydraulic building material for underground operations
11/12/1987DE3615533A1 Strutting for support frames having a channel section
11/11/1987EP0244890A2 Process for producing hollow structures such as ducts, silos, or shelters, and structures obtained by this process
11/11/1987EP0244877A1 Joint sealing member
11/05/1987DE3614856A1 Method of mechanising the backfilling work in roadway support operations by using the same building material for sealing and cavity filling using pumping and by means of controlling the setting behaviour
10/1987
10/29/1987DE3613469A1 Composite mat with longitudinal bars bent on both sides
10/29/1987DE3613468A1 Roadway support machine of short construction
10/22/1987DE3613140A1 Transversely deformable tube ring for tunnel tubes which can be jacked
10/21/1987EP0242157A1 Improvements in or relating to tunnel lining segments and tunnel linings formed therefrom
10/21/1987EP0242156A1 Improvements in or relating to tunnel lining segments and tunnel linings formed therefrom
10/15/1987DE3622203A1 Method for producing a tunnel lining and device for carrying out the method
10/14/1987EP0240866A1 Tensioning connection
10/14/1987EP0240594A1 Device for putting concrete charges in readiness in underground workings
10/13/1987US4699547 Mine truss structures and method
10/08/1987WO1987005925A1 Process for strengthening and sealing geological formations
10/06/1987US4697955 Method of constructing reinforced concrete works such as underground galleries, road tunnels, et cetera; pre-fabricated contrete elements for constructing such works
09/1987
09/24/1987DE3615582A1 Curve-going roadway support machine
09/23/1987EP0238168A1 Method and apparatus for moulding curved concrete sections
09/22/1987US4695188 Lined rock cistern or tunnel
09/17/1987DE3644532A1 Method for producing a tunnel lining from lining concrete and apparatus for carrying out the method
09/15/1987US4693635 Method of producing hollow structures and hollow structures
09/15/1987US4693634 Prefabricated support and covering structure, particularly for constructing tunnels, bridges and the like
09/10/1987DE3607153A1 Safety bar shoe for steel mine-support sections supported on one another
09/08/1987CA1226448A1 Prefabricated support and covering structure, particularly for constructing tunnels, bridges and the like
09/02/1987EP0234762A1 Improvements in or relating to methods of erecting tunnel linings
09/01/1987US4690328 Spraying machine
09/01/1987CA1226155A1 Tunnel lining fastening devices
08/1987
08/27/1987DE3612506C1 Lagging mat for face support
08/26/1987CN87100318A Secretly digging method with predisposed roof
08/26/1987CN86108772A Shield tunneling method and assembling and disassembling apparatus for use in practicing method
08/20/1987DE3605112A1 Tunnel-driving system
08/18/1987US4687790 Mine stopping caulk
08/18/1987US4687374 Method of and apparatus for concrete tunnel lining
08/18/1987US4686804 For protecting occupants from blast waves and barometric overpressure
08/13/1987WO1987004756A1 System for the insulation of mining installations and a method for implementing the system
08/13/1987DE3623631C1 Distributor mast
08/12/1987EP0231655A1 Shield advancing excavator
08/11/1987US4685839 Fishplate
08/06/1987DE3603403A1 Roadway-support machine of low construction
08/06/1987DE3601587A1 Method of supporting underground roadways, and roadway support
08/05/1987CN86100660A Air stream agitating and ebullient spraying technology and equipments
07/1987
07/30/1987DE3602484A1 Composite mat for roadway support
07/29/1987CN86107975A Truss systems and components thereof
07/28/1987US4682926 Ceiling panel placing machine
07/28/1987CA1224634A1 Yieldable stilt for mine roadways
07/23/1987DE3601635A1 Selective-cut heading machine for constructing roadways or tunnels
07/14/1987US4679967 Truss bracket
07/02/1987DE3545740A1 Multi-piece sliding ring support
06/1987
06/23/1987US4674913 Apparatus for construction of continuous article having bores
06/17/1987CN86107168A Method and a device for guiding a concrete feeding hose in connection with the grout feed in rock bolting
06/11/1987DE3543199A1 Lining for a tunnel produced in an open type of construction
06/10/1987CN86107480A Apparatus for storing concrete feeding hose in a rock bolting device
06/04/1987DE3641227A1 Unit for the backfilling of roadway support
06/02/1987US4669919 Process for consolidation and sealing coal and/or rock, soil and brick formations in mining, tunnelling and construction
05/1987
05/27/1987EP0222968A1 Sealing profile for tunnel tubes
05/19/1987US4666344 Truss systems and components thereof
05/19/1987US4666336 Method of and apparatus for building thin lining on tunnel
05/19/1987US4665593 Clamp for elongate members
05/05/1987US4662773 Segmental tunnel lining consisting of reinforced concrete tubbings
04/1987
04/30/1987DE3537819A1 Fireproof lagging mat for underground mining
04/29/1987EP0219598A1 Support underneath refuse deposits
04/28/1987CA1220946A1 Mine roof supporting truss system
04/16/1987DE3535858A1 Tension- and compression-proof strutting for channel sections
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