FR2172959B1 - - Google Patents
Info
- Publication number
- FR2172959B1 FR2172959B1 FR7242380A FR7242380A FR2172959B1 FR 2172959 B1 FR2172959 B1 FR 2172959B1 FR 7242380 A FR7242380 A FR 7242380A FR 7242380 A FR7242380 A FR 7242380A FR 2172959 B1 FR2172959 B1 FR 2172959B1
- 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
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F13/00—Transport specially adapted to underground conditions
- E21F13/06—Transport of mined material at or adjacent to the working face
- E21F13/066—Scraper chain conveyors
- E21F13/068—Special adaptations for use at the junction of the working face with the gallery, e.g. driving stations coupled to the driving station of the winning machine
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C29/00—Propulsion of machines for slitting or completely freeing the mineral from the seam
- E21C29/04—Propulsion of machines for slitting or completely freeing the mineral from the seam by cable or chains
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C31/00—Driving means incorporated in machines for slitting or completely freeing the mineral from the seam
- E21C31/02—Driving means incorporated in machines for slitting or completely freeing the mineral from the seam for cutting or breaking-down devices
- E21C31/06—Driving means incorporated in machines for slitting or completely freeing the mineral from the seam for cutting or breaking-down devices actuated by an endless cable or chain
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)
- Milling, Drilling, And Turning Of Wood (AREA)
- Structure Of Belt Conveyors (AREA)
- Chain Conveyers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19722208657 DE2208657C3 (en) | 1972-02-24 | Machine frame training for the drives of a combined mining and face conveyor system |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2172959A1 FR2172959A1 (en) | 1973-10-05 |
FR2172959B1 true FR2172959B1 (en) | 1976-08-20 |
Family
ID=5836908
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7242380A Expired FR2172959B1 (en) | 1972-02-24 | 1972-11-29 |
Country Status (3)
Country | Link |
---|---|
BE (1) | BE792420A (en) |
ES (1) | ES406456A1 (en) |
FR (1) | FR2172959B1 (en) |
-
0
- BE BE792420D patent/BE792420A/en not_active IP Right Cessation
-
1972
- 1972-09-07 ES ES406456A patent/ES406456A1/en not_active Expired
- 1972-11-29 FR FR7242380A patent/FR2172959B1/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE2208657B2 (en) | 1976-08-12 |
BE792420A (en) | 1973-03-30 |
ES406456A1 (en) | 1976-01-16 |
FR2172959A1 (en) | 1973-10-05 |
DE2208657A1 (en) | 1973-08-30 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |