FR2446377B1 - - Google Patents

Info

Publication number
FR2446377B1
FR2446377B1 FR7928051A FR7928051A FR2446377B1 FR 2446377 B1 FR2446377 B1 FR 2446377B1 FR 7928051 A FR7928051 A FR 7928051A FR 7928051 A FR7928051 A FR 7928051A FR 2446377 B1 FR2446377 B1 FR 2446377B1
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
FR7928051A
Other languages
French (fr)
Other versions
FR2446377A1 (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.)
Salzgitter Maschinen AG
Original Assignee
Salzgitter Maschinen 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
Application filed by Salzgitter Maschinen AG filed Critical Salzgitter Maschinen AG
Publication of FR2446377A1 publication Critical patent/FR2446377A1/fr
Application granted granted Critical
Publication of FR2446377B1 publication Critical patent/FR2446377B1/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

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)
  • Soil Working Implements (AREA)
  • Lining And Supports For Tunnels (AREA)
  • Bridges Or Land Bridges (AREA)
FR7928051A 1979-01-12 1979-11-14 Soutenement provisoire pendant les travaux de recoupage dans les galeries minieres Granted FR2446377A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19792901054 DE2901054A1 (de) 1979-01-12 1979-01-12 Vorlaeufiger streckenausbau fuer durchbaubetriebe in strecken des untertaegigen bergbaus

Publications (2)

Publication Number Publication Date
FR2446377A1 FR2446377A1 (fr) 1980-08-08
FR2446377B1 true FR2446377B1 (it) 1984-02-17

Family

ID=6060436

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7928051A Granted FR2446377A1 (fr) 1979-01-12 1979-11-14 Soutenement provisoire pendant les travaux de recoupage dans les galeries minieres

Country Status (4)

Country Link
BE (1) BE881117A (it)
DE (1) DE2901054A1 (it)
FR (1) FR2446377A1 (it)
GB (1) GB2044333B (it)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2937826A1 (de) * 1979-09-19 1981-04-09 Gewerkschaft Eisenhütte Westfalia, 4670 Lünen Spreizschild, insbesondere fuer das streckenauffahren in bergbau-untertagebetrieben
US4710064A (en) * 1985-04-15 1987-12-01 Stafford Frank K Movable roof support and bolter system
DE4002669A1 (de) * 1990-01-30 1991-08-01 Walbroehl H T Selbstschreitende stuetz- und gleitschaltung zum einbringen einer ortbetonauskleidung
CN102628368B (zh) * 2012-04-26 2014-07-09 李信斌 一种隧道自移支撑棚
CN103711509B (zh) * 2014-01-10 2015-11-18 李明 自移式拱形掩护支架、铺网架棚一体机
CN108643942B (zh) * 2018-07-16 2023-11-10 西安科技大学 一种液压可调临时仰拱
CN111608712A (zh) * 2020-06-09 2020-09-01 朱锡铭 一种高稳定性的伸展式煤矿开采用掘进支护装置
CN112096435B (zh) * 2020-09-23 2021-04-16 蒋明敏 隧道施工用大跨度拱门支撑结构
CN112282814B (zh) * 2020-10-28 2022-07-22 贵州理工学院 一种可适应多种地下环境的巷道支护装置
CN113202532A (zh) * 2021-04-27 2021-08-03 安徽理工大学 一种刚柔耦合支护迈步行走装置
CN113006816B (zh) * 2021-04-29 2023-09-19 山西天地王坡煤业有限公司 临时接顶支护装置和施工方法
CN115929366A (zh) * 2022-11-18 2023-04-07 盐城工学院 一种可调式地铁施工用隧道断面支撑机构

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL256189A (it) * 1964-03-20
GB972824A (en) * 1961-05-19 1964-10-14 Dowty Mining Equipment Ltd Mine roof-supporting device
DE1853657U (de) * 1961-05-24 1962-06-20 Julius Mueller Schutzschild zum vortrieb von stollen und tunnel.
FR1505728A (fr) * 1965-12-15 1967-12-15 Coal Industry Patents Ltd Support du toit des galeries de mines
FR2022585A1 (it) * 1968-11-05 1970-07-31 Gullick Dobson Ltd
DE1955355A1 (de) * 1969-01-21 1970-11-19 Gullick Dobson Ltd In Streckenlaengsrichtung verfahrbare Geraetschaft fuer den untertaegigen Grubenbetrieb
DE1942759C3 (de) * 1969-08-22 1978-11-30 Bochumer Eisenhuette Heintzmann & Co, 4630 Bochum Vorrichtung für das Auffahren eines Tunnels im Messervortriebsverfahren
DE2021734C3 (de) * 1970-05-04 1978-08-31 Heinz-Theo Dipl.-Ing. 5300 Bonn Walbroehl Wanderabstützungsgerüst für den Ausbruch von Stollen oder Tunneln
GB1375562A (it) * 1971-03-16 1974-11-27
DE2250296C3 (de) * 1972-10-13 1978-03-16 Gewerkschaft Eisenhuette Westfalia, 4670 Luenen Messerschild-Vortriebseinrichtung zum Vortrieb unterirdischer Hohlräume, wie insbesondere Tunnel, Stollen u.dgl
FR2280788A1 (fr) * 1974-07-31 1976-02-27 Ruhrkohle Ag Soutenement provisoire
DE2657003C2 (de) * 1976-12-16 1984-10-04 Gewerkschaft Eisenhütte Westfalia, 4670 Lünen Verbauschild, insbesondere für das Auffahren von Strecken in Bergbau-Untertagebetrieben

Also Published As

Publication number Publication date
FR2446377A1 (fr) 1980-08-08
GB2044333B (en) 1983-01-06
DE2901054A1 (de) 1980-07-17
BE881117A (fr) 1980-07-11
GB2044333A (en) 1980-10-15

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Legal Events

Date Code Title Description
ST Notification of lapse