FR1314900A - Improvements made to mobile frames with several elements for the support of mining corridors - Google Patents

Improvements made to mobile frames with several elements for the support of mining corridors

Info

Publication number
FR1314900A
FR1314900A FR888056A FR888056A FR1314900A FR 1314900 A FR1314900 A FR 1314900A FR 888056 A FR888056 A FR 888056A FR 888056 A FR888056 A FR 888056A FR 1314900 A FR1314900 A FR 1314900A
Authority
FR
France
Prior art keywords
support
improvements made
several elements
mobile frames
corridors
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
FR888056A
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.)
KLERNER MASCHF GLUECKAUF
Original Assignee
KLERNER MASCHF GLUECKAUF
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 KLERNER MASCHF GLUECKAUF filed Critical KLERNER MASCHF GLUECKAUF
Priority to FR888056A priority Critical patent/FR1314900A/en
Application granted granted Critical
Publication of FR1314900A publication Critical patent/FR1314900A/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
    • E21D23/0052—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

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)
FR888056A 1962-02-14 1962-02-14 Improvements made to mobile frames with several elements for the support of mining corridors Expired FR1314900A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR888056A FR1314900A (en) 1962-02-14 1962-02-14 Improvements made to mobile frames with several elements for the support of mining corridors

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR888056A FR1314900A (en) 1962-02-14 1962-02-14 Improvements made to mobile frames with several elements for the support of mining corridors

Publications (1)

Publication Number Publication Date
FR1314900A true FR1314900A (en) 1963-01-11

Family

ID=8772725

Family Applications (1)

Application Number Title Priority Date Filing Date
FR888056A Expired FR1314900A (en) 1962-02-14 1962-02-14 Improvements made to mobile frames with several elements for the support of mining corridors

Country Status (1)

Country Link
FR (1) FR1314900A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1217908B (en) * 1964-09-11 1966-06-02 Gewerk Eisenhuette Westfalia Handlebar control for progressive hydraulic expansion
DE1281979B (en) * 1967-01-12 1968-11-07 Gewerk Eisenhuette Westfalia Stepping hydraulic support frame

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1217908B (en) * 1964-09-11 1966-06-02 Gewerk Eisenhuette Westfalia Handlebar control for progressive hydraulic expansion
DE1281979B (en) * 1967-01-12 1968-11-07 Gewerk Eisenhuette Westfalia Stepping hydraulic support frame

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