FR2280788B3 - - Google Patents

Info

Publication number
FR2280788B3
FR2280788B3 FR7522524A FR7522524A FR2280788B3 FR 2280788 B3 FR2280788 B3 FR 2280788B3 FR 7522524 A FR7522524 A FR 7522524A FR 7522524 A FR7522524 A FR 7522524A FR 2280788 B3 FR2280788 B3 FR 2280788B3
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
FR7522524A
Other languages
French (fr)
Other versions
FR2280788A1 (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.)
RAG AG
Original Assignee
Ruhrkohle AG
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 DE19742436807 external-priority patent/DE2436807C3/de
Application filed by Ruhrkohle AG filed Critical Ruhrkohle AG
Publication of FR2280788A1 publication Critical patent/FR2280788A1/fr
Application granted granted Critical
Publication of FR2280788B3 publication Critical patent/FR2280788B3/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
    • E21D23/0086—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor in galleries
    • E21D23/0095—Temporary supports at the driving front

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)
  • Pit Excavations, Shoring, Fill Or Stabilisation Of Slopes (AREA)
  • Load-Engaging Elements For Cranes (AREA)
  • Conveying And Assembling Of Building Elements In Situ (AREA)
FR7522524A 1974-07-31 1975-07-18 Soutenement provisoire Granted FR2280788A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19742436807 DE2436807C3 (de) 1974-07-31 Vorläufiger Streckenausbau

Publications (2)

Publication Number Publication Date
FR2280788A1 FR2280788A1 (fr) 1976-02-27
FR2280788B3 true FR2280788B3 (fa) 1979-04-27

Family

ID=5922001

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7522524A Granted FR2280788A1 (fr) 1974-07-31 1975-07-18 Soutenement provisoire

Country Status (2)

Country Link
FR (1) FR2280788A1 (fa)
GB (1) GB1488057A (fa)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2365690A1 (fr) * 1976-09-17 1978-04-21 Salzgitter Maschinen Ag Soutenement marchant, notamment provisoire, utilise pour le creusement de galeries minieres et de tunnels
DE2901054A1 (de) * 1979-01-12 1980-07-17 Salzgitter Maschinen Ag Vorlaeufiger streckenausbau fuer durchbaubetriebe in strecken des untertaegigen bergbaus
CN109113772B (zh) * 2018-10-31 2024-03-29 河南理工大学 一种大循环巷道掘进临时支护装置及其方法
CN110645034A (zh) * 2019-10-29 2020-01-03 辽宁工程技术大学 一种滑移式柔性超前支护机构及方法
CN110925006B (zh) * 2019-12-31 2025-03-11 安徽省矿业机电装备有限责任公司 巷道掘进支架的护帮机构
CN117211843B (zh) * 2023-11-09 2024-02-02 焦作煤业集团赵固（新乡）能源有限责任公司 一种煤矿顶板支护装置
CN120211789B (zh) * 2025-05-28 2025-07-29 中铁京诚工程检测有限公司 一种不良地质隧道护盾式盾构机及其支护方法

Also Published As

Publication number Publication date
DE2436807B2 (de) 1976-12-23
DE2436807A1 (de) 1976-02-12
FR2280788A1 (fr) 1976-02-27
GB1488057A (en) 1977-10-05

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Legal Events

Date Code Title Description
ST Notification of lapse