GB8511145D0 - Device for use in underground mining - Google Patents

Device for use in underground mining

Info

Publication number
GB8511145D0
GB8511145D0 GB858511145A GB8511145A GB8511145D0 GB 8511145 D0 GB8511145 D0 GB 8511145D0 GB 858511145 A GB858511145 A GB 858511145A GB 8511145 A GB8511145 A GB 8511145A GB 8511145 D0 GB8511145 D0 GB 8511145D0
Authority
GB
United Kingdom
Prior art keywords
underground mining
mining
underground
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
GB858511145A
Other versions
GB2160984A (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
RAG AG
Seba Dynatronic Mess und Ortungstechnik GmbH
Original Assignee
Ruhrkohle AG
Seba Dynatronic Mess und Ortungstechnik GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ruhrkohle AG, Seba Dynatronic Mess und Ortungstechnik GmbH filed Critical Ruhrkohle AG
Publication of GB8511145D0 publication Critical patent/GB8511145D0/en
Publication of GB2160984A publication Critical patent/GB2160984A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
    • E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
    • E21F17/18—Special adaptations of signalling or alarm devices
    • G—PHYSICS
    • G08—SIGNALLING
    • G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
    • G08C25/00—Arrangements for preventing or correcting errors; Monitoring arrangements
GB08511145A 1984-05-04 1985-05-02 A signal generator for use in underground mining for testing and adjusting measured-value transmitters Withdrawn GB2160984A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19843416575 DE3416575A1 (en) 1984-05-04 1984-05-04 DEVICE FOR UNDERGROUND PITCHING FOR TESTING AND COMPARISON OF MEASURING VALVES

Publications (2)

Publication Number Publication Date
GB8511145D0 true GB8511145D0 (en) 1985-06-12
GB2160984A GB2160984A (en) 1986-01-02

Family

ID=6234984

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08511145A Withdrawn GB2160984A (en) 1984-05-04 1985-05-02 A signal generator for use in underground mining for testing and adjusting measured-value transmitters

Country Status (3)

Country Link
DE (1) DE3416575A1 (en)
FR (1) FR2563863A1 (en)
GB (1) GB2160984A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3603442A1 (en) * 1986-02-05 1987-08-06 Ruhrkohle Ag Method and device for determining a fault location in a planing-distance measuring system
US5394094A (en) * 1993-05-13 1995-02-28 Industrial Scientific Corporation Portable gas sensor utilizing fault protective battery cap

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1259614A (en) * 1968-11-22 1972-01-05
CH599555A5 (en) * 1976-03-15 1978-05-31 Bbc Brown Boveri & Cie
DE2707569C3 (en) * 1977-02-22 1981-02-05 Auergesellschaft Gmbh, 1000 Berlin Gas meter
DE2740160A1 (en) * 1977-09-02 1979-03-08 Auergesellschaft Gmbh POWER SUPPLY FOR MEASURING DEVICES
US4301536A (en) * 1979-12-28 1981-11-17 Bell Telephone Laboratories, Incorporated Multitone frequency response and envelope delay distortion tests
DE3128942A1 (en) * 1981-07-22 1983-05-05 Bergwerksverband Gmbh, 4300 Essen MULTIPLE-POINT MEASURING AND CONTROL SYSTEM
GB2090002B (en) * 1981-11-09 1984-09-26 Mitsubishi Electric Corp Relay tester
DE3216090C2 (en) * 1982-04-30 1985-05-09 Ruhrkohle Ag, 4300 Essen Device for oxygen monitoring in mining operations

Also Published As

Publication number Publication date
GB2160984A (en) 1986-01-02
DE3416575A1 (en) 1985-11-07
FR2563863A1 (en) 1985-11-08

Similar Documents

Publication Publication Date Title
DE3564002D1 (en) Reversible underground piercing device
GB8522694D0 (en) Back-up device
GB8505033D0 (en) Underground pipelines
GB2167790B (en) Apparatus for use in drilling
PL247226A1 (en) Underground mining planer
ZA824391B (en) Underground construction
GB2125857B (en) Excavatory machine for use in coal and other mining operations
GB2180576B (en) Improvements in mineral mining installations
GB2104573B (en) Improvements in cutting devices for mining and tunnelling machines
GB2086566B (en) Probe equipmetn for use in underground mining
GB2172636B (en) Improvements in machines for use in mining or tunnelling
GB2164687B (en) Improvements in machines for use in mining or tunnelling
GB8925857D0 (en) Improvements in valve devices for use in mining
GB2188961A (en) Device for working out drifts in hard rock
GB8511145D0 (en) Device for use in underground mining
GB2154269B (en) Shield supports suitable for use in mines
GB2165210B (en) Transportable device for use in coal mining
GB8401430D0 (en) Mine for use in war
ZA816802B (en) Probe equipment for use in underground mining
ZA856505B (en) Support suitable for use in underground mines
PL256988A1 (en) Planer for underground mining
GB2097445B (en) Advancing means for coal-getting machines for use in underground mining
GB8428998D0 (en) Mining apparatus
GB8425878D0 (en) Prop for use in mines
ZA84436B (en) Lightweight brattice for use in underground mines

Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)