FR2262729A1 - - Google Patents
Info
- Publication number
- FR2262729A1 FR2262729A1 FR7506416A FR7506416A FR2262729A1 FR 2262729 A1 FR2262729 A1 FR 2262729A1 FR 7506416 A FR7506416 A FR 7506416A FR 7506416 A FR7506416 A FR 7506416A FR 2262729 A1 FR2262729 A1 FR 2262729A1
- 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.)
- Withdrawn
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
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C27/00—Machines which completely free the mineral from the seam
- E21C27/20—Mineral freed by means not involving slitting
- E21C27/32—Mineral freed by means not involving slitting by adjustable or non-adjustable planing means with or without loading arrangements
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/10—Making by using boring or cutting machines
- E21D9/1066—Making by using boring or cutting machines with fluid jets
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)
- Mechanical Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB923874A GB1490351A (en) | 1974-02-28 | 1974-02-28 | Excavating equipment |
Publications (1)
Publication Number | Publication Date |
---|---|
FR2262729A1 true FR2262729A1 (fr) | 1975-09-26 |
Family
ID=9868069
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7506416A Withdrawn FR2262729A1 (fr) | 1974-02-28 | 1975-02-28 |
Country Status (4)
Country | Link |
---|---|
BE (1) | BE826097A (fr) |
DE (1) | DE2508584A1 (fr) |
FR (1) | FR2262729A1 (fr) |
GB (1) | GB1490351A (fr) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2385888A1 (fr) * | 1977-03-29 | 1978-10-27 | Gutehoffnungshuette Sterkrade | Procede et dispositif d'abattage permettant d'obtenir, par des moyens hydrauliques et mecaniques combines, principalement des substances minerales dures |
FR2408030A1 (fr) * | 1977-11-08 | 1979-06-01 | Gewerk Eisenhuette Westfalia | Couteau pour rabot a charbon et rabot garni de couteaux de ce type |
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 |
FR2420644A1 (fr) * | 1978-03-25 | 1979-10-19 | Bochumer Eisen Heintzmann | Procede de percement et de soutenement d'une galerie souterraine et dispositif destine a la mise en oeuvre du procede |
FR2458672A1 (fr) * | 1979-06-06 | 1981-01-02 | Gewerk Eisenhuette Westfalia | Dispositif d'abattage, en particulier pour l'abattage du charbon dans les exploitations minieres au fond |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2813142C3 (de) * | 1978-03-25 | 1986-07-31 | Bochumer Eisenhütte Heintzmann GmbH & Co, 4630 Bochum | Kombiniertes Schneidwerkzeug zum Schneiden von an einer bergmännischen Arbeitsfläche anstehendem Mineral |
GB2125850A (en) * | 1982-07-03 | 1984-03-14 | Hoverdale Engineering Limited | Cutting mineral faces and the like |
DE3236994C1 (de) * | 1982-10-06 | 1984-01-19 | M.A.N. Maschinenfabrik Augsburg-Nürnberg AG, 4200 Oberhausen | Schlitzvorrichtung für den Kohleabbau in stark geneigter und in steiler Lagerung |
WO2020243919A1 (fr) * | 2019-06-05 | 2020-12-10 | 中国矿业大学(北京) | Machine d'exploitation minière et procédé d'exploitation minière applicable à l'exploitation minière fluidisée de corps de minerai |
-
1974
- 1974-02-28 GB GB923874A patent/GB1490351A/en not_active Expired
-
1975
- 1975-02-27 BE BE153847A patent/BE826097A/fr unknown
- 1975-02-27 DE DE19752508584 patent/DE2508584A1/de active Pending
- 1975-02-28 FR FR7506416A patent/FR2262729A1/fr not_active Withdrawn
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2385888A1 (fr) * | 1977-03-29 | 1978-10-27 | Gutehoffnungshuette Sterkrade | Procede et dispositif d'abattage permettant d'obtenir, par des moyens hydrauliques et mecaniques combines, principalement des substances minerales dures |
FR2408030A1 (fr) * | 1977-11-08 | 1979-06-01 | Gewerk Eisenhuette Westfalia | Couteau pour rabot a charbon et rabot garni de couteaux de ce type |
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 |
FR2420644A1 (fr) * | 1978-03-25 | 1979-10-19 | Bochumer Eisen Heintzmann | Procede de percement et de soutenement d'une galerie souterraine et dispositif destine a la mise en oeuvre du procede |
FR2458672A1 (fr) * | 1979-06-06 | 1981-01-02 | Gewerk Eisenhuette Westfalia | Dispositif d'abattage, en particulier pour l'abattage du charbon dans les exploitations minieres au fond |
Also Published As
Publication number | Publication date |
---|---|
BE826097A (fr) | 1975-06-16 |
GB1490351A (en) | 1977-11-02 |
DE2508584A1 (de) | 1975-09-04 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |