FR2098006A5 - - Google Patents
Info
- Publication number
- FR2098006A5 FR2098006A5 FR7122801A FR7122801A FR2098006A5 FR 2098006 A5 FR2098006 A5 FR 2098006A5 FR 7122801 A FR7122801 A FR 7122801A FR 7122801 A FR7122801 A FR 7122801A FR 2098006 A5 FR2098006 A5 FR 2098006A5
- 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
- E21D23/16—Hydraulic or pneumatic features, e.g. circuits, arrangement or adaptation of valves, setting or retracting devices
- E21D23/26—Hydraulic or pneumatic control
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)
- Fluid-Pressure Circuits (AREA)
- Control Of Presses (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19702038661 DE2038661B2 (de) | 1970-08-04 | 1970-08-04 | Hydraulische Ausbausteuerung |
Publications (1)
Publication Number | Publication Date |
---|---|
FR2098006A5 true FR2098006A5 (de) | 1972-03-03 |
Family
ID=5778822
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7122801A Expired FR2098006A5 (de) | 1970-08-04 | 1971-06-23 |
Country Status (3)
Country | Link |
---|---|
JP (1) | JPS5347322B1 (de) |
DE (1) | DE2038661B2 (de) |
FR (1) | FR2098006A5 (de) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2363693A1 (fr) * | 1976-09-07 | 1978-03-31 | Hemscheidt Maschf Hermann | Appareil a commande multiple pour soutenement marchant hydraulique |
FR2376942A1 (fr) * | 1977-01-11 | 1978-08-04 | Gewerk Eisenhuette Westfalia | Systeme de commande hydraulique pour soutenement |
FR2502689A1 (fr) * | 1981-03-26 | 1982-10-01 | Gewerk Eisenhuette Westfalia | Commande de soutenement electro-hydraulique pour exploitations minieres souterraines |
FR2519397A1 (fr) * | 1981-12-31 | 1983-07-08 | Herckelbout Jacques | Dispositif d'entrainement intermittent d'un arbre |
FR2575517A1 (fr) * | 1984-09-29 | 1986-07-04 | Gewerk Eisenhuette Westfalia | Dispositif a soupapes pour systemes de soutenement hydrauliques et analogues |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4638720A (en) * | 1980-12-01 | 1987-01-27 | Deere & Company | Electro-hydraulic control system |
DE3110220A1 (de) * | 1981-03-17 | 1982-10-07 | Gewerkschaft Eisenhütte Westfalia, 4670 Lünen | Hydraulische, insbesondere elektro-hydraulische ausbausteuerung fuer untertaegige gewinnungsbetriebe |
-
1970
- 1970-08-04 DE DE19702038661 patent/DE2038661B2/de not_active Ceased
-
1971
- 1971-06-23 FR FR7122801A patent/FR2098006A5/fr not_active Expired
- 1971-08-04 JP JP5891471A patent/JPS5347322B1/ja active Pending
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2363693A1 (fr) * | 1976-09-07 | 1978-03-31 | Hemscheidt Maschf Hermann | Appareil a commande multiple pour soutenement marchant hydraulique |
FR2376942A1 (fr) * | 1977-01-11 | 1978-08-04 | Gewerk Eisenhuette Westfalia | Systeme de commande hydraulique pour soutenement |
FR2502689A1 (fr) * | 1981-03-26 | 1982-10-01 | Gewerk Eisenhuette Westfalia | Commande de soutenement electro-hydraulique pour exploitations minieres souterraines |
FR2519397A1 (fr) * | 1981-12-31 | 1983-07-08 | Herckelbout Jacques | Dispositif d'entrainement intermittent d'un arbre |
FR2575517A1 (fr) * | 1984-09-29 | 1986-07-04 | Gewerk Eisenhuette Westfalia | Dispositif a soupapes pour systemes de soutenement hydrauliques et analogues |
Also Published As
Publication number | Publication date |
---|---|
DE2038661A1 (de) | 1972-02-10 |
JPS5347322B1 (de) | 1978-12-20 |
DE2038661B2 (de) | 1978-08-03 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |