ZA774601B - Improvements relating to methods of and apparatus for applying roof mats to mine workings - Google Patents

Improvements relating to methods of and apparatus for applying roof mats to mine workings

Info

Publication number
ZA774601B
ZA774601B ZA00774601A ZA774601A ZA774601B ZA 774601 B ZA774601 B ZA 774601B ZA 00774601 A ZA00774601 A ZA 00774601A ZA 774601 A ZA774601 A ZA 774601A ZA 774601 B ZA774601 B ZA 774601B
Authority
ZA
South Africa
Prior art keywords
methods
improvements relating
mine workings
mats
applying roof
Prior art date
Application number
ZA00774601A
Other languages
English (en)
Inventor
K Groetschel
Original Assignee
Groetschel Karl Maria
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 Groetschel Karl Maria filed Critical Groetschel Karl Maria
Publication of ZA774601B publication Critical patent/ZA774601B/xx

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C35/00—Details of, or accessories for, machines for slitting or completely freeing the mineral from the seam, not provided for in groups E21C25/00 - E21C33/00, E21C37/00 or E21C39/00
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D19/00—Provisional protective covers for working space
    • E21D19/02—Provisional protective covers for working space for use in longwall working

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Mechanical Engineering (AREA)
  • Roof Covering Using Slabs Or Stiff Sheets (AREA)
  • Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)
  • Tents Or Canopies (AREA)
ZA00774601A 1976-07-31 1977-07-29 Improvements relating to methods of and apparatus for applying roof mats to mine workings ZA774601B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2634557A DE2634557C2 (de) 1976-07-31 1976-07-31 Verfahren und Vorrichtung zur Herstellung einer den gesamten Ausbau eines Abbaustrebes Oberzieheeden Schutzbespannung

Publications (1)

Publication Number Publication Date
ZA774601B true ZA774601B (en) 1978-06-28

Family

ID=5984440

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA00774601A ZA774601B (en) 1976-07-31 1977-07-29 Improvements relating to methods of and apparatus for applying roof mats to mine workings

Country Status (5)

Country Link
AT (1) AT354962B (xx)
DE (1) DE2634557C2 (xx)
FR (1) FR2360747A1 (xx)
GB (2) GB1595370A (xx)
ZA (1) ZA774601B (xx)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2936206C2 (de) * 1979-09-07 1981-09-24 Groetschel, Karl Maria, Dipl.-Ing., 8000 München Verfahren und Vorrichtung zur Herstellung einer den gesamten Ausbau eines Abbaustrebes überziehenden Schutzbespannung
DE2945082C2 (de) * 1979-11-08 1981-10-22 Groetschel, Karl Maria, Dipl.-Ing., 8000 München Mattenverlegevorrichtung
DE3530469A1 (de) * 1985-08-27 1987-03-05 Niederberg Chemie Nachtraegliche deponieabdichtungen mit bergmaennischem abbau

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1281978B (de) * 1965-04-21 1968-11-07 Karl Maria Groetschel Dipl Ing Verfahren zur grossflaechigen Sicherung des im Zuge des Verhiebsfortschrittes freigelegten Hangendbereichs in Abbaubetrieben
US3902324A (en) * 1973-06-25 1975-09-02 Us Interior Mobile roof supporting shield
DE2426220A1 (de) * 1974-05-29 1975-12-18 Dieter Ing Grad Poller Verfahren und vorrichtung zum staubschutz bei der vollmechanischen kohlengewinnung
DE2442177A1 (de) * 1974-09-03 1976-03-11 Roesler Draht Kg Verfahren und vorrichtung zum unterbinden des entstehens von staub, insbesondere gesteinsstaub, aus dem hangenden und dem bruch beim schild- oder schreitausbau, vornehmlich kohlebergbau
DE2541534A1 (de) * 1975-09-18 1977-03-31 Karl Maria Dipl Ing Groetschel Verfahren und vorrichtung zur sicherung des aufhauens gegen von oben abfallendes kohle- oder bergematerial

Also Published As

Publication number Publication date
AT354962B (de) 1980-02-11
GB1592194A (en) 1981-07-01
DE2634557B1 (de) 1977-09-29
FR2360747B1 (xx) 1983-08-26
DE2634557C2 (de) 1979-06-13
GB1595370A (en) 1981-08-12
FR2360747A1 (fr) 1978-03-03
ATA505477A (de) 1979-07-15

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