FR2217524A1 - - Google Patents
Info
- Publication number
- FR2217524A1 FR2217524A1 FR7404829A FR7404829A FR2217524A1 FR 2217524 A1 FR2217524 A1 FR 2217524A1 FR 7404829 A FR7404829 A FR 7404829A FR 7404829 A FR7404829 A FR 7404829A FR 2217524 A1 FR2217524 A1 FR 2217524A1
- 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.)
- Granted
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C25/00—Cutting machines, i.e. for making slits approximately parallel or perpendicular to the seam
- E21C25/60—Slitting by jets of water or other liquid
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Road Repair (AREA)
- Auxiliary Methods And Devices For Loading And Unloading (AREA)
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
- Bridges Or Land Bridges (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2307413A DE2307413C2 (de) | 1973-02-15 | 1973-02-15 | Vorrichtung fur die Hereingewinnung einer flozartigen Lagerstatte im Strebbau |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2217524A1 true FR2217524A1 (https=) | 1974-09-06 |
| FR2217524B1 FR2217524B1 (https=) | 1978-06-23 |
Family
ID=5871976
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7404829A Expired FR2217524B1 (https=) | 1973-02-15 | 1974-02-13 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3887235A (https=) |
| CA (1) | CA999312A (https=) |
| DE (1) | DE2307413C2 (https=) |
| FR (1) | FR2217524B1 (https=) |
| GB (1) | GB1426854A (https=) |
| PL (1) | PL98946B1 (https=) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2288850A1 (fr) * | 1974-10-25 | 1976-05-21 | Kaiser Resources Ltd | Procede d'extraction hydraulique de charbon |
| FR2409376A1 (fr) * | 1977-11-19 | 1979-06-15 | Gewerk Eisenhuette Westfalia | Dispositif pour l'abattage mecanique et hydraulique combine de charbon ou de mineraux analogues dans les exploitations minieres au fond |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3960408A (en) * | 1974-03-18 | 1976-06-01 | World Oil Mining Ltd. | Tunnel layout for longwall mining using shields |
| DE2751199C2 (de) * | 1977-11-16 | 1985-07-18 | Gewerkschaft Eisenhütte Westfalia, 4670 Lünen | Hobeleinrichtung für die hydraulische Hochdruckgewinnung |
| DE2806767C2 (de) * | 1978-02-17 | 1987-04-23 | Gewerkschaft Eisenhütte Westfalia GmbH, 4670 Lünen | Abbaueinrichtung für den Lang- oder Kurzfrontbergbau |
| US4265487A (en) * | 1978-04-10 | 1981-05-05 | The Curators Of The University Of Missouri | High pressure water jet mining machine |
| DE2926288C2 (de) * | 1979-06-29 | 1986-04-17 | Wayss & Freytag Ag, 6000 Frankfurt | Einrichtung zum Bodenabbau bei Schildvortrieben mit flüssigkeitsgestützer Ortsbrust |
| DE3004443A1 (de) * | 1980-02-07 | 1981-08-13 | Gewerkschaft Eisenhütte Westfalia, 4670 Lünen | Walzenschraemmaschine, insbesondere fuer den abbau von erzlagerstaetten u.dgl. |
| DE3045126A1 (de) * | 1980-11-29 | 1982-09-09 | Gewerkschaft Eisenhütte Westfalia, 4670 Lünen | Brecheinrichtung zum aufbrechen grosser haufwerksstuecke an der streb-streckenuebergabe |
| DE3048939C2 (de) * | 1980-12-24 | 1982-12-30 | Friedrich Wilhelm 4230 Wesel Paurat | Vorrichtung zum Hereingewinnen und Fördern von Kohlen |
| US5879057A (en) * | 1996-11-12 | 1999-03-09 | Amvest Corporation | Horizontal remote mining system, and method |
| ID23782A (id) * | 1997-05-06 | 2000-05-11 | Imc Agrico Co | Alat dan metode untuk pertambangan dinding-lunak |
| CN109143384B (zh) * | 2018-09-27 | 2020-03-20 | 太原理工大学 | 一种掘进中探测积水采空区位置的物理模拟实验方法 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2891778A (en) * | 1956-12-17 | 1959-06-23 | Milik Rudolf | Long wall mining apparatus having a seam embracing channel |
| FR1337337A (fr) * | 1962-07-10 | 1963-09-13 | Dispositif de rabotage à forte pente et plus particulièrement pour des dispositifsantirecul et cabreur d'un convoyeur blindé au passage de l'engin d'abattage, rabotpar exemple, en exploitation des mines | |
| DE1188534B (de) * | 1963-05-24 | 1965-03-11 | Gewerk Eisenhuette Westfalia | Vorrichtung zur Gewinnung von Kohle im Strebbau |
-
1973
- 1973-02-15 DE DE2307413A patent/DE2307413C2/de not_active Expired
-
1974
- 1974-01-10 GB GB129174A patent/GB1426854A/en not_active Expired
- 1974-02-05 PL PL1974168600A patent/PL98946B1/pl unknown
- 1974-02-11 US US441481A patent/US3887235A/en not_active Expired - Lifetime
- 1974-02-13 FR FR7404829A patent/FR2217524B1/fr not_active Expired
- 1974-02-15 CA CA192,871A patent/CA999312A/en not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2288850A1 (fr) * | 1974-10-25 | 1976-05-21 | Kaiser Resources Ltd | Procede d'extraction hydraulique de charbon |
| FR2409376A1 (fr) * | 1977-11-19 | 1979-06-15 | Gewerk Eisenhuette Westfalia | Dispositif pour l'abattage mecanique et hydraulique combine de charbon ou de mineraux analogues dans les exploitations minieres au fond |
Also Published As
| Publication number | Publication date |
|---|---|
| DE2307413C2 (de) | 1980-02-14 |
| CA999312A (en) | 1976-11-02 |
| GB1426854A (en) | 1976-03-03 |
| PL98946B1 (pl) | 1978-05-31 |
| AU6465474A (en) | 1975-07-24 |
| US3887235A (en) | 1975-06-03 |
| DE2307413B1 (de) | 1974-03-07 |
| FR2217524B1 (https=) | 1978-06-23 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |