FR2259230B3 - - Google Patents

Info

Publication number
FR2259230B3
FR2259230B3 FR7443241A FR7443241A FR2259230B3 FR 2259230 B3 FR2259230 B3 FR 2259230B3 FR 7443241 A FR7443241 A FR 7443241A FR 7443241 A FR7443241 A FR 7443241A FR 2259230 B3 FR2259230 B3 FR 2259230B3
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
FR7443241A
Other languages
French (fr)
Other versions
FR2259230A1 (fi
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.)
Gewerkschaft Eisenhutte Westfalia GmbH
Original Assignee
Gewerkschaft Eisenhutte Westfalia 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 Gewerkschaft Eisenhutte Westfalia GmbH filed Critical Gewerkschaft Eisenhutte Westfalia GmbH
Publication of FR2259230A1 publication Critical patent/FR2259230A1/fr
Application granted granted Critical
Publication of FR2259230B3 publication Critical patent/FR2259230B3/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
    • E21D23/0427—Shield operating devices; Hinges therefor
    • 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
    • E21D23/0043—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 two or more rows 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)
  • Pivots And Pivotal Connections (AREA)
  • Excavating Of Shafts Or Tunnels (AREA)
FR7443241A 1974-01-28 1974-12-30 Expired FR2259230B3 (fi)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19742403834 DE2403834C3 (de) 1974-01-28 1974-01-28 Schildausbaugestell

Publications (2)

Publication Number Publication Date
FR2259230A1 FR2259230A1 (fi) 1975-08-22
FR2259230B3 true FR2259230B3 (fi) 1977-09-23

Family

ID=5905809

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7443241A Expired FR2259230B3 (fi) 1974-01-28 1974-12-30

Country Status (3)

Country Link
DE (1) DE2403834C3 (fi)
FR (1) FR2259230B3 (fi)
GB (1) GB1472512A (fi)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1569822A (en) * 1976-02-03 1980-06-18 Bochumer Eisen Heintzmann Roof-supporting frame of the caving shield type for underground workings in mines
DE2617141C3 (de) * 1976-04-17 1984-07-05 Thyssen Industrie Ag, 4300 Essen Kappen- und Bruchschildkonstruktion für ein Schildausbaugestell
DE2622208C2 (de) * 1976-05-19 1983-10-20 Bochumer Eisenhütte Heintzmann GmbH & Co, 4630 Bochum Ausbaubock
DE2721381C3 (de) * 1977-05-12 1986-03-27 Klöckner-Becorit GmbH, 4620 Castrop-Rauxel Vorrichtung zur Stabilisierung einer hydraulischen Ausbaueinheit
DE3118939C1 (de) * 1981-05-13 1982-11-04 Klöckner-Becorit GmbH, 4620 Castrop-Rauxel Ausbaugestell fuer den Strebausbau im untertaegigen Grubenbetrieb
DE3241894C1 (de) * 1982-11-12 1984-03-15 Thyssen Industrie Ag, 4300 Essen Stabilisierungsvorrichtung für Strebausbaugestelle
DE3244438C1 (de) * 1982-12-01 1984-05-03 Klöckner-Becorit GmbH, 4620 Castrop-Rauxel Schildausbaugestell
GB2136040B (en) * 1983-03-08 1986-06-11 Dobson Park Ind Pivotal linkage of a mine roof support
AT388212B (de) * 1986-07-02 1989-05-26 Voest Alpine Ag Verfahrbarer ausbaubock fuer die bruchkantensicherung

Also Published As

Publication number Publication date
GB1472512A (en) 1977-05-04
FR2259230A1 (fi) 1975-08-22
DE2403834A1 (de) 1975-08-07
DE2403834C3 (de) 1979-06-21
DE2403834B2 (de) 1977-04-28

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Legal Events

Date Code Title Description
ST Notification of lapse