FR2038066A1 - - Google Patents

Info

Publication number
FR2038066A1
FR2038066A1 FR6908051A FR6908051A FR2038066A1 FR 2038066 A1 FR2038066 A1 FR 2038066A1 FR 6908051 A FR6908051 A FR 6908051A FR 6908051 A FR6908051 A FR 6908051A FR 2038066 A1 FR2038066 A1 FR 2038066A1
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Withdrawn
Application number
FR6908051A
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.)
Bennes Marrel SA
Original Assignee
Bennes Marrel SA
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 Bennes Marrel SA filed Critical Bennes Marrel SA
Priority to FR6908051A priority Critical patent/FR2038066A1/fr
Priority to DE19702013634 priority patent/DE2013634A1/de
Publication of FR2038066A1 publication Critical patent/FR2038066A1/fr
Withdrawn legal-status Critical Current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
    • E21D23/0082—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor specially adapted for vertical or steep gradient seams
    • 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
    • E21D23/0052—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor with advancing shifting devices connected therewith
    • 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
    • E21D23/08—Advancing mechanisms
    • E21D23/081—Advancing mechanisms forming parts of the roof supports
    • E21D23/085—Advancing mechanisms forming parts of the roof supports acting on a conveyor or a guide for the mining machine

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)
  • Automatic Assembly (AREA)
FR6908051A 1969-03-24 1969-03-24 Withdrawn FR2038066A1 (pl)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR6908051A FR2038066A1 (pl) 1969-03-24 1969-03-24
DE19702013634 DE2013634A1 (de) 1969-03-24 1970-03-21 Wanderstütze

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR6908051A FR2038066A1 (pl) 1969-03-24 1969-03-24

Publications (1)

Publication Number Publication Date
FR2038066A1 true FR2038066A1 (pl) 1971-01-08

Family

ID=9030958

Family Applications (1)

Application Number Title Priority Date Filing Date
FR6908051A Withdrawn FR2038066A1 (pl) 1969-03-24 1969-03-24

Country Status (2)

Country Link
DE (1) DE2013634A1 (pl)
FR (1) FR2038066A1 (pl)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2331309B2 (de) * 1973-06-20 1975-04-24 Bochumer Eisenhuette Heintzmann & Co, 4630 Bochum Schildausbaugestell mit Führungsvorrichtung
DE2339650C2 (de) * 1973-08-04 1982-08-12 Gewerkschaft Eisenhütte Westfalia, 4670 Lünen Schreitvorrichtung für einen Ausbaubock
DE2522111B2 (de) * 1975-05-17 1978-10-12 Bochumer Eisenhuette Heintzmann Gmbh & Co, 4630 Bochum Schildausbaugespann mit Führungsvorrichtung
DE2904544B2 (de) * 1979-02-07 1980-11-27 Hermann Hemscheidt Maschinenfabrik Gmbh & Co, 5600 Wuppertal Rückvorrichtung für hydraulische Schildausbaugestelle
DE3317801A1 (de) * 1983-05-17 1984-11-22 Gewerkschaft Eisenhütte Westfalia, 4670 Lünen Schreitwerk fuer hydraulische ausbaugestelle, insbesondere schildausbaugestelle

Also Published As

Publication number Publication date
DE2013634A1 (de) 1970-11-05

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Legal Events

Date Code Title Description
ST Notification of lapse