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
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)
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 (US08197722-20120612-C00093.png) | 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 (US08197722-20120612-C00093.png) |
| DE (1) | DE2901054A1 (US08197722-20120612-C00093.png) |
| FR (1) | FR2446377A1 (US08197722-20120612-C00093.png) |
| GB (1) | GB2044333B (US08197722-20120612-C00093.png) |
Families Citing this family (14)
| 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 |
| CN114109463A (zh) * | 2021-11-08 | 2022-03-01 | 中国煤炭科工集团太原研究院有限公司 | 一种可侧帮支护的临时支护装置 |
| 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 |
| CN118223924B (zh) * | 2024-05-27 | 2024-08-20 | 安徽恒源煤电股份有限公司祁东煤矿 | 一种井下定向长钻孔水力压裂卸压护巷装置 |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL256189A (US08197722-20120612-C00093.png) * | 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 (US08197722-20120612-C00093.png) * | 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 (US08197722-20120612-C00093.png) * | 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 |
-
1979
- 1979-01-12 DE DE19792901054 patent/DE2901054A1/de not_active Ceased
- 1979-11-14 FR FR7928051A patent/FR2446377A1/fr active Granted
-
1980
- 1980-01-11 GB GB8000959A patent/GB2044333B/en not_active Expired
- 1980-01-11 BE BE0/198939A patent/BE881117A/fr unknown
Also Published As
| Publication number | Publication date |
|---|---|
| GB2044333A (en) | 1980-10-15 |
| DE2901054A1 (de) | 1980-07-17 |
| BE881117A (fr) | 1980-07-11 |
| GB2044333B (en) | 1983-01-06 |
| FR2446377A1 (fr) | 1980-08-08 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |