Matches 1 - 50 out of 110 1 2 3 >


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DE102011103242B4 Intrinsically safe light  
Intrinsically safe luminaire in underground construction with a housing (3) in which at least one operated at a low voltage light source (7), a controller (9) for the light source (7), and an...
DE102010048285B4 Lighting arrangement in underground mining and method for the control of underground lighting  
(L) and a supply line (V) for transmitting an electrical energy, the lamp devices (L) each having at least one explosion-proof housing and a luminous means, characterized in that in each case a...
DE112013002922T5 Tunnel-assist device  
A tunneling auxiliary device (20) comprises a Reaktionskraftaufnehmer (21) and a first and a second partial element (22, 23). When breaking a tunnel (T2) with a drill (10) of the...
DE112013002578T5 Tunneling method  
This tunneling method includes a step for advancing three first tunnel (T1) connected in parallel are substantially each other (first driving step), and a step for advancing of the second tunnel...
DE202015100792U1 Entschlammungsstruktur for the door back of the service access door of a pressure tunnel  
Entschlammungsstruktur for the door back to the service access door of a pressure tunnel, wherein the pressure tunnel (1) is connected to a Baunebenstollen (2), and wherein at the outlet opening...
DE102013204155A1 Method and apparatus for determining the position  
A method for determining the position of equipment in a longwall underground mining uses a video camera are evaluated electronically within the longwall with the markings.
DE102011103242A1 Intrinsically safe lamp used for illuminating path in underground, has controller that operates light source with electrical power from electrical storage if external electric circuit exists in high current load state  
The safe lamp (1) has a low-voltage operated electric light source (7) that is provided in transparent plastic housing (3). A controller (9) is provided for controlling the electric light source,...
DE102010048285A1 Illumination arrangement for illuminating e.g. transport path in subterrestrial mining industry, has control device attached to supply line and for controlling and regulating operating mode of lamp device  
The arrangement (1) has a supply line (V) for transmission of electrical power, and a control device (S) attached to the supply line and controls and regulates an operating mode of a lamp device...
DE102010016317A1 A method for locating people and / or mobile machines in mine openings using the RFID technology and longwall extraction plant for performing the method  
The invention relates to a method and a longwall mining system with a device for locating people and / or mobile machines in mine openings using the RFID technology, with more along the monitoring...
DE102009042717A1 Tube connection system for use as molding unit for molding pumps and/or energy supply lines, during filling of pit in mining industry, has sealing surfaces coated by special silicon sealing mass and wound with adhesive band in gap area  
The system has tubes exhibiting length of 6m, and a sleeve exhibiting length of 220 mm and breadth of 10 mm. The sleeve is welded with an inner seam and an outer seam on a tube end. Retainers for...
DE102009058281A1 Robust quartz  
There is provided a resonator clock for use under downhole conditions. The resonator clock comprises a resonator portion (410) of piezoelectric material, two electrodes (530, 532) which are in...
DE102008038377B3 A method for position and orientation determination of mine openings using the RFID technology  
A process for the position and orientation of parts of the mine and / or used in mechanical equipment, particularly in underground coal mining, characterized in that using the RFID technology...
DE102006056725B4 Injection method for sealing cracks and pathways in Evaporitgesteinsschichten, crushed salt and technical materials with salt components  
A method for sealing of solvent-free and brine bearing cracks and / or pathways in Evaporitgesteinen, crushed salt and technical materials with salt components to encapsulation of pollutant-filled...
DE102007060210A1 Method for making abandoned mine shafts safe comprises producing diagonal bores through shaft walls, filling them with flexible tubes and inflating them with filler under pressure which is then hardened  
The method for making abandoned mine shafts (1) safe comprises producing diagonal bores (4) through the shaft walls. These are filled with flexible tubes (6) which are inflated with a filler under...
DE102007017633B3 Closed shaft i.e. mine shaft, securing method, involves diagonally boring set of holes in vertical projection, and attaching and loading carrier, core rods and cement suspension or concrete into holes  
The method involves diagonally boring a set of holes (6) in a vertical projection. A carrier (11), core rods (7) and a cement suspension or concrete are attached and loaded into the holes for...
DE19944032B4 Apparatus and method for generating seismic vibrations  
device (10) for generating mechanical vibrations in a solid body (70), which a guide housing (20) comprising, in which a vibrating mass (30) with a drive device (40) between an impact position (A)...
DE10316008B4 Method and apparatus for secure emergency lighting of tunnels  
process for the safe emergency lighting of tunnels, in particular railroad tunnels In case of danger, wherein by means of a control one of a Tunnel monitoring center Tüz (1) and...
DE102005042257B4 Wireless access equipment for use in gas atmospheres pit buildings  
WLAN access device (1) for use in gas atmospheres pit Building consisting of a central processing unit (10) with at least one standard WLAN Access Point (3) with an appropriate frequency range,...
DE102004059071B4 Tri-Rohraufgeber in underground mining  
Tri-Rohraufgeber with a cold or warm water basin for the exchange of mine or hot water and fresh or cold water and / or quasi continuous, hydraulic transport of solids over large, more thousand...
DE10230240B4 A method for operating a route of a track-bound vehicle and infrastructure  
process for operating a traveling path of a track-bound vehicle, in particular a magnetic levitation train, in a tunnel, whereby the vehicle (2) from one tube (1) is substantially surrounded,...
DE102005042257A1 Wireless access equipment for use in gas atmospheres pit buildings  
The Invention relates to a wireless access device for use in gas atmospheres pit buildings consisting a central processing unit with at least one standard WLAN Access Point with appropriate...
DE102005008936A1 Mobile air purification system for washing air charged with fine material, especially motor vehicle-derived pollutants, comprises frame with water connection, guide plates, spray heads and regulator  
A mobile air purification system comprises a reusable frame structure having a water connection with universal end-pieces, guide plates for directing air and water movements, exchangeable spray...
DE102004059071A1 The device has three-chamber tubing senders in respective bores formed with closed cooling circuits in series so low-pressure line of sender is connected to shaft line with developing high pressure of following sender  
The arrangement has three-chamber tubing senders (1) arranged in respective bores and formed with closed cooling circuits in series so the low-pressure line (17) of the three-chamber tubing sender...
DE10347030A1 Verfahren und Einrichtung zum Betrieb haustechnischer Anlagen unter Einbeziehung von Sicherheits- und Überwachungsfunktionen  
Genereller Nachteil der bekannten Lösungen ist, dass sich lediglich auf die Detektion, die Überwachung oder das Löschen richtet bzw. beschränkt. Das neue Verfahren und Einrichtung soll sich zum...
DE102004017713A1 Device for illuminating step support of long wall face has light sources connected to control network devices provided for the low voltage supply of limited number of associated system controllers  
The illumination device has light sources (13-15) and there are removal devices at each removal point with control network devices (8) each for low voltage supply of a limited number of system...
DE10316008A1 Method and apparatus for secure emergency lighting of tunnels  
The Invention relates to a method and an apparatus for safe Emergency lighting of tunnels, preferably of railway tunnels, in Case of danger, said a monitoring all tunnel lights and appliances...
DE202004002032U1 Cohesive filling material for pouring into shafts in ground consists of water, cement and building rubble of given sizes, mixed in given proportions  
The cohesive filling material consists of water, cement and aggregate, mixed in given proportions to set hard after pouring. The aggregate is made of broken building rubble or hardcore ranging...
DE19527927B4 Supply device for liquid multicomponent injection material  
Device for liquid multicomponent injection material in underground mining and tunneling, which storage tank (2, 3) with associated central pump (12, 13), terminals (9, 10) for leading to the...
DE10315610B4 A process for consolidating geological formations  
Process for consolidating geological formations in coal underground mines by introducing reacting out to polyurethane reaction mixtures containing a polyol component A and a polyisocyanate...
DE10236726A1 System for emergency closure of openings and ducts has inflatable sections stored in a compact folded state under protective covers and operating singly or in conjunction with similar units  
A system for the rapid and safe closure of ducts and openings, e.g. fire and explosion proofing of tunnels, has inflatable sections (3) which assume a predetermined shape when inflated and which...
DE10230240A1 A method for operating a route of a track-bound vehicle and infrastructure  
It is a track of a track-bound vehicle, especially a magnetic levitation train, presented in a tunnel, the vehicle (2) from one tube (1) is largely surrounded and the vehicle (2) is guided in the...
DE10315610A1 Consolidation of underground geological formations in coal mines uses a polyurethane-forming system with the polyisocyanate component containing added fatty acid triglyceride free of isocyanate-reactive groups  
The polyisocyanate component (B) introduced together with a polyol component (A) via a bore into an underground geological formation for consolidation purposes contains an added fatty acid...
DE10229051C1 Road safety barrier used in tunnel has barrier sections provided with connection points for connection to water, air and/or electrical supply lines extending in longitudinal direction of barrier  
The safety barrier is assembled from removable abutting steel barrier sections (6) incorporating water, air and/or electrical current supply lines (21,22,23) and control and/or data lines for...
DE10236795A1 Filling system for deep shaft has concrete mixing machine with conveyer introducing material into drop tube leading to right-angle bend and outlet just above material already in shaft  
The shaft (10) is open at the top with a flat floor (16) and vertical walls (14). There may be brackets or projections (32) on the walls. The concrete may be supplied from a semi mobile mixer (24)...
DE10150437A1 Non-destructive evaluation of the inner surface of a tunnel using an optical technique, such as laser speckle interferometry, that allows the surface to be quickly and reliably evaluated from inside the tunnel  
Method for testing tunnel walls for cracks and cavities in the wall surface uses an optical, contactless measurement method for detection of deformation of the wall inner wall. Possible...
DE10141042A1 Communications device for underground mines has acoustic/optical transmitter(s) per coal face, signal transmission takes place between transmitters and to control center via control cable  
The device has strengthening panels in a coal face (1) each associated with a controller (4), whereby controllers of adjacent panels are connected together via a control cable. At least one...
DE10218718C1 Consolidation of geological formation in underground coal mining using a polyurethane-forming mixture of polyol and polyisocyanate components with an added fatty acid triglyceride without isocyanate-reactive groups  
Consolidation of geological formations in underground coal mining by applying a reaction mixture containing a polyol component A and polyisocyanate component B through bore holes, which react to...
DE10131183A1 Operating lever for chain tensioner has a clamped fitting onto the securing cage and with a hinged mounting for the lever  
A heavy duty chain tensioner is fitted with a hinged operating lever which is clamped to either end of the rotating securing cage, or is clamped to the centre of the cage. The operating lever is...
DE10116945C1 A process for the duration was safe part backfilling of shafts  
A process for the duration was safe part backfilling of shafts, particularly in underground mining by introducing a position- and erosion resistant, cohesive Füllsäulenabschnitts whose length is...
DE10135159C1 Borehole plugging system for use in tunneling and mining work uses inflatable balloon held on metal tube by clamping rings at either end  
The drilled hole closure (1) comprises a plastic supply line (2) with longitudinal channelling and an inflating tube (28). The supply line (2) comprises an external thread (4) at the inlet end (3)...
DE10114651C1 Consolidation of a geological formation in an underground coal mine by introducing a reaction mixture which forms a polyurethane, uses polyol component containing polyether polyol with solid organic filler formed in situ, and plasticizer  
In the consolidation of geological formations, a reaction mixture is introduced into boreholes. The mixture contains (A) a polyol component, and (B) a polyisocyanate component. Component (A)...
DE10008450C1 Test drilling to assess the risk of a rock fall at a coal mine uses high pressure water jets to drill into the mine seam with measurements of at least one drilling parameter to be correlated with the level of danger  
To determine the rock pressure and especially in a coal mine, as a rock fall risk factor, a drilling is made in the mine seam (1) by high pressure water jets (4) at a water pressure hose (3) or...
DE19944860A1 Method for fitting cohesive section supports into mineshaft comprises first forming temporary support, e.g. of rigid plastic foam, and applying filling material in sections of increasing width  
The method for fitting cohesive section supports into a mineshaft comprises first forming a temporary support. This may be done by shaping the shaft itself or applying a support, e.g. a rigid...
DE19944032A1 Apparatus and method for generating seismic vibrations  
It describes a device (10) for generating mechanical vibrations in a solid body (70) having a guide housing (20), in which a vibrating mass (30) with a drive device (40) between an impact position...
DE10029918A1 Method and apparatus for detecting the presence of people in underground mining  
Method and apparatus for detecting the presence of people in developed with support frames struts in underground mining, wherein at least a portion of the expansion racks (10) detecting sensors...
DE19826120A1 Flame retardant, electrically conductive fabric  
The invention relates to a flame-retardant and electrically-conductive fabric (100) made of plastic fibers, plastic bands or synthetic threads for the production of high-strength packaging or...
DE19858129A1 Detecting obstruction in path of heavy goods vehicle, e.g. earth-moving tipper  
The method involves using a number of obstruction sensor systems, including a short range obstruction sensor system, a long range obstruction sensor system and a control system. The zone of...
DE19718688A1 Method of securing ground surrounding disused and filled mine-shaft  
Surfaces surrounding a disused mine-shaft that has been filled with loose material are secured against fractures may be caused by columns (13) of filling that drops. The boundary line of a...
DE19642778A1 Disused mine sites and plant used for power plant  
Elements of disused mine, such as underground equipment, horizontal roads and transport routes, horizontal galleries and shafts, vertical lift and ventilation shafts, equipment above ground,...
DE19629182A1 Pressure cushion for underground construction work  
The cushion comprises a ductile shell (25) connected to a low pressure supply and take-off (10,12). The shell sits in a housing (27) formed from several rigid parts (1,2) which can move relative...

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