FR2277231B3 - - Google Patents

Info

Publication number
FR2277231B3
FR2277231B3 FR7520836A FR7520836A FR2277231B3 FR 2277231 B3 FR2277231 B3 FR 2277231B3 FR 7520836 A FR7520836 A FR 7520836A FR 7520836 A FR7520836 A FR 7520836A FR 2277231 B3 FR2277231 B3 FR 2277231B3
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
FR7520836A
Other languages
French (fr)
Other versions
FR2277231A1 (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.)
Individual
Original Assignee
Individual
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
Priority claimed from DE19742431740 external-priority patent/DE2431740B2/de
Priority claimed from DE2443460A external-priority patent/DE2443460A1/de
Priority claimed from DE19742447429 external-priority patent/DE2447429A1/de
Application filed by Individual filed Critical Individual
Publication of FR2277231A1 publication Critical patent/FR2277231A1/fr
Application granted granted Critical
Publication of FR2277231B3 publication Critical patent/FR2277231B3/fr
Granted 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
    • E21D23/0004—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
    • 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
    • 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
    • E21D23/06—Special mine caps or special tops of pit-props for permitting step-by-step movement

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)
  • Buildings Adapted To Withstand Abnormal External Influences (AREA)
FR7520836A 1974-07-02 1975-07-02 Unite de construction a bouclier d'etaiement pour exploitation souterraine dans les mines Granted FR2277231A1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19742431740 DE2431740B2 (de) 1974-07-02 1974-07-02 Schildausbau für den Untertagebergbau
DE2443460A DE2443460A1 (de) 1974-09-11 1974-09-11 Schildausbau mit kappenlenkvorrichtung
DE19742447429 DE2447429A1 (de) 1974-07-02 1974-10-04 Schildausbau mit kappenlenkvorrichtung

Publications (2)

Publication Number Publication Date
FR2277231A1 FR2277231A1 (fr) 1976-01-30
FR2277231B3 true FR2277231B3 (cs) 1979-02-23

Family

ID=27185994

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7520836A Granted FR2277231A1 (fr) 1974-07-02 1975-07-02 Unite de construction a bouclier d'etaiement pour exploitation souterraine dans les mines

Country Status (2)

Country Link
FR (1) FR2277231A1 (cs)
GB (1) GB1517763A (cs)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2601341A1 (de) * 1976-01-15 1977-07-28 Kloeckner Werke Ag Ausbaueinheit fuer untertaegige strebbetriebe
GB2048355A (en) * 1979-05-08 1980-12-10 Gewerk Eisenhuette Westfalia Mine roof supports
DE3023282A1 (de) * 1980-06-21 1982-01-21 Gewerkschaft Eisenhütte Westfalia, 4670 Lünen Schildbock, insbesondere fuer den einsatz beim abbau maechtiger lagerstaetten im scheibenbau
HU185380B (en) * 1980-06-30 1985-01-28 Varpalotai Szenbanyak Supporting device for mining particularly for wall method
GB2136040B (en) * 1983-03-08 1986-06-11 Dobson Park Ind Pivotal linkage of a mine roof support
GB2150192B (en) * 1983-11-16 1987-04-15 Dobson Park Ind Mineroof support
CN103485812B (zh) * 2013-09-09 2016-08-24 三一重型装备有限公司 一种超前支护机构及掘进机
CN110359941A (zh) * 2019-07-12 2019-10-22 天地科技股份有限公司 一种顶梁及包含该顶梁的液压支架

Also Published As

Publication number Publication date
GB1517763A (en) 1978-07-12
FR2277231A1 (fr) 1976-01-30

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Legal Events

Date Code Title Description
ST Notification of lapse