FR2185748B3 - - Google Patents

Info

Publication number
FR2185748B3
FR2185748B3 FR7318132A FR7318132A FR2185748B3 FR 2185748 B3 FR2185748 B3 FR 2185748B3 FR 7318132 A FR7318132 A FR 7318132A FR 7318132 A FR7318132 A FR 7318132A FR 2185748 B3 FR2185748 B3 FR 2185748B3
Authority
FR
France
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.)
Expired
Application number
FR7318132A
Other versions
FR2185748A1 (fr
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.)
Bochumer Eisenhuette Heintzmann GmbH and Co KG
Original Assignee
Bochumer Eisenhuette Heintzmann GmbH and Co KG
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 Bochumer Eisenhuette Heintzmann GmbH and Co KG filed Critical Bochumer Eisenhuette Heintzmann GmbH and Co KG
Publication of FR2185748A1 publication Critical patent/FR2185748A1/fr
Application granted granted Critical
Publication of FR2185748B3 publication Critical patent/FR2185748B3/fr
Expired legal-status Critical Current

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
    • E21D23/04—Structural features of the supporting construction, e.g. linking members between adjacent frames or sets of props; Means for counteracting lateral sliding on inclined floor
    • E21D23/0445—Extensions of the base member supporting the conveyor
    • 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
    • E21D23/0004—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor along the working face
    • E21D23/0034—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor along the working face comprising a goaf shield articulated to a base member
    • E21D23/0039—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor along the working face comprising a goaf shield articulated to a base member and supported by a strut or by a row of struts parallel to the working face

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)
  • Architecture (AREA)
  • Structural Engineering (AREA)
  • Excavating Of Shafts Or Tunnels (AREA)
FR7318132A 1972-05-19 1973-05-18 Expired FR2185748B3 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2224438A DE2224438C2 (de) 1972-05-19 1972-05-19 Schildausbau für Abbaustreben im untertä'gigen Grubenbetrieb

Publications (2)

Publication Number Publication Date
FR2185748A1 FR2185748A1 (fr) 1974-01-04
FR2185748B3 true FR2185748B3 (fr) 1976-05-07

Family

ID=5845325

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7318132A Expired FR2185748B3 (fr) 1972-05-19 1973-05-18

Country Status (7)

Country Link
US (1) US3896626A (fr)
AU (1) AU474951B2 (fr)
BE (1) BE799353A (fr)
DE (1) DE2224438C2 (fr)
FR (1) FR2185748B3 (fr)
GB (1) GB1424276A (fr)
PL (1) PL85831B1 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2522117A1 (de) * 1975-05-17 1976-12-02 Bochumer Eisen Heintzmann Liegendschwellenanordnung fuer ein schildausbaugestell
DE2522111B2 (de) * 1975-05-17 1978-10-12 Bochumer Eisenhuette Heintzmann Gmbh & Co, 4630 Bochum Schildausbaugespann mit Führungsvorrichtung
DE2554554C3 (de) * 1975-12-04 1984-05-24 Klöckner-Becorit GmbH, 4620 Castrop-Rauxel Schildausbaueinheit für untertägige Strebbetriebe
JPS5329202A (en) * 1976-08-31 1978-03-18 Taiheiyo Eng Coal extracting method of long wall coal facing
AU554140B2 (en) * 1980-07-02 1986-08-07 Dana Corporation Thermally insulating coating on piston head
AU2010271330B2 (en) 2009-07-10 2014-09-11 Joy Global Underground Mining Llc Longwall mining roof supports

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB965172A (en) * 1962-04-06 1964-07-29 Gullick Ltd Improvements in or relating to roof supports for mines and the like
DE1219892B (de) * 1964-11-14 1966-06-30 Gewerk Eisenhuette Westfalia Steuerung eines Kohlenhobels
US3402015A (en) * 1965-10-14 1968-09-17 Universal Oil Prod Co Multiple stage treatment of a noxious stream with cyclic high quantities of nitrogen oxides
GB1160513A (en) * 1966-03-04 1969-08-06 Karl Maria Groetschel Improvements relating to Roof Supports for Mine Workings.
DE1277789B (de) * 1967-01-13 1968-09-19 Gewerk Eisenhuette Westfalia Hydraulisch wanderndes Ausbaugestell
US3431738A (en) * 1967-06-06 1969-03-11 Karl Maria Groetschel Roof supporting systems for mine workings
GB1259785A (en) * 1968-04-26 1972-01-12 Gewerk Eisenhuette Westfalia A mineral mining installation
US3570255A (en) * 1968-06-10 1971-03-16 Mastabar Mining Equipment Co L Mine roof support
FR2037349A6 (fr) * 1969-02-20 1970-12-31 Gewerk Eisenhuette Westfalia

Also Published As

Publication number Publication date
DE2224438C2 (de) 1975-06-05
AU474951B2 (en) 1976-08-05
FR2185748A1 (fr) 1974-01-04
PL85831B1 (fr) 1976-05-31
BE799353A (fr) 1973-11-12
US3896626A (en) 1975-07-29
AU5577573A (en) 1974-11-21
GB1424276A (en) 1976-02-11
DE2224438B1 (de) 1973-08-09
DE2224438A1 (fr) 1973-08-09

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