FR1540739A - Hydraulic walking support frame, in particular support pile - Google Patents

Hydraulic walking support frame, in particular support pile

Info

Publication number
FR1540739A
FR1540739A FR124210A FR124210A FR1540739A FR 1540739 A FR1540739 A FR 1540739A FR 124210 A FR124210 A FR 124210A FR 124210 A FR124210 A FR 124210A FR 1540739 A FR1540739 A FR 1540739A
Authority
FR
France
Prior art keywords
hydraulic walking
support frame
pile
support
support pile
Prior art date
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
FR124210A
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
Priority to FR124210A priority Critical patent/FR1540739A/en
Application granted granted Critical
Publication of FR1540739A publication Critical patent/FR1540739A/en
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
    • E21D23/08—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
    • E21D23/086—Details of fixing devices therefor

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)
FR124210A 1967-10-12 1967-10-12 Hydraulic walking support frame, in particular support pile Expired FR1540739A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR124210A FR1540739A (en) 1967-10-12 1967-10-12 Hydraulic walking support frame, in particular support pile

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR124210A FR1540739A (en) 1967-10-12 1967-10-12 Hydraulic walking support frame, in particular support pile

Publications (1)

Publication Number Publication Date
FR1540739A true FR1540739A (en) 1968-09-27

Family

ID=8639970

Family Applications (1)

Application Number Title Priority Date Filing Date
FR124210A Expired FR1540739A (en) 1967-10-12 1967-10-12 Hydraulic walking support frame, in particular support pile

Country Status (1)

Country Link
FR (1) FR1540739A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4330226A (en) * 1979-10-24 1982-05-18 Herman Hemscheidt Maschinenfabrik Gmbh & Co. Roof-support distancing apparatus

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4330226A (en) * 1979-10-24 1982-05-18 Herman Hemscheidt Maschinenfabrik Gmbh & Co. Roof-support distancing apparatus

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