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
Application number
FR7122801A
Other languages
French (fr)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Gewerkschaft Eisenhutte Westfalia GmbH
Original Assignee
Gewerkschaft Eisenhutte Westfalia GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Gewerkschaft Eisenhutte Westfalia GmbH filed Critical Gewerkschaft Eisenhutte Westfalia GmbH
Application granted granted Critical
Publication of FR2098006A5 publication Critical patent/FR2098006A5/fr
Expired legal-status Critical Current

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)
  • Control Of Presses (AREA)
  • Fluid-Pressure Circuits (AREA)
FR7122801A 1970-08-04 1971-06-23 Expired FR2098006A5 (sv)

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 (sv) 1972-03-03

Family

ID=5778822

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7122801A Expired FR2098006A5 (sv) 1970-08-04 1971-06-23

Country Status (3)

Country Link
JP (1) JPS5347322B1 (sv)
DE (1) DE2038661B2 (sv)
FR (1) FR2098006A5 (sv)

Cited By (5)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

Cited By (5)

* Cited by examiner, † Cited by third party
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
DE2038661B2 (de) 1978-08-03
JPS5347322B1 (sv) 1978-12-20

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Legal Events

Date Code Title Description
ST Notification of lapse