ZA713100B - An installation for safe-guarding persons in underground operations - Google Patents

An installation for safe-guarding persons in underground operations

Info

Publication number
ZA713100B
ZA713100B ZA713100A ZA713100A ZA713100B ZA 713100 B ZA713100 B ZA 713100B ZA 713100 A ZA713100 A ZA 713100A ZA 713100 A ZA713100 A ZA 713100A ZA 713100 B ZA713100 B ZA 713100B
Authority
ZA
South Africa
Prior art keywords
guarding
persons
safe
installation
underground operations
Prior art date
Application number
ZA713100A
Inventor
K Roesgen
K Noack
Original Assignee
Bergwerksverband 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 Bergwerksverband Gmbh filed Critical Bergwerksverband Gmbh
Publication of ZA713100B publication Critical patent/ZA713100B/en

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V15/00—Tags attached to, or associated with, an object, in order to enable detection of the object
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK 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
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V3/00—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation
    • G01V3/15—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation specially adapted for use during transport, e.g. by a person, vehicle or boat

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Geology (AREA)
  • Physics & Mathematics (AREA)
  • Mining & Mineral Resources (AREA)
  • Geophysics (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Environmental & Geological Engineering (AREA)
  • Remote Sensing (AREA)
  • Train Traffic Observation, Control, And Security (AREA)
  • Emergency Lowering Means (AREA)
ZA713100A 1970-05-29 1971-05-12 An installation for safe-guarding persons in underground operations ZA713100B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2026168A DE2026168C2 (en) 1970-05-29 1970-05-29 Device for securing persons provided with portable, continuously operated transmitters in underground operation

Publications (1)

Publication Number Publication Date
ZA713100B true ZA713100B (en) 1972-01-26

Family

ID=5772358

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA713100A ZA713100B (en) 1970-05-29 1971-05-12 An installation for safe-guarding persons in underground operations

Country Status (3)

Country Link
JP (1) JPS5141841B1 (en)
DE (1) DE2026168C2 (en)
ZA (1) ZA713100B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2937804B2 (en) * 1979-09-19 1981-07-09 Brust und Neugebauer Maschinenbau- Ingenieurbüro für rationelle Fertigung GmbH, 4236 Hamminkeln Driving bridge over an underground belt conveyor
JPS5861615U (en) * 1981-10-21 1983-04-26 株式会社鳥海商会 Vehicle air conditioner
DE3643236A1 (en) * 1986-12-18 1988-07-07 Ruhrkohle Ag PERSONAL PROTECTION RADIO
DE10029918B4 (en) * 1999-07-09 2008-10-30 Bucyrus Dbt Europe Gmbh Method and device for detecting the presence of persons in underground mining
DE102004024073A1 (en) * 2004-05-13 2006-01-26 Rag Ag Device for detecting person in hazard area, especially in mine, has portable transmitter-receiver with 2 transmitters and 2 receivers; one receiver has 3 orthogonal independent coils operating at 9 KHz, one has one coil operating at 7 KHz

Also Published As

Publication number Publication date
DE2026168A1 (en) 1972-01-13
DE2026168C2 (en) 1974-04-25
JPS5141841B1 (en) 1976-11-12
DE2026168B2 (en) 1972-01-13

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