FR1418547A - Improvements to mobile supports for mines - Google Patents

Improvements to mobile supports for mines

Info

Publication number
FR1418547A
FR1418547A FR999413A FR999413A FR1418547A FR 1418547 A FR1418547 A FR 1418547A FR 999413 A FR999413 A FR 999413A FR 999413 A FR999413 A FR 999413A FR 1418547 A FR1418547 A FR 1418547A
Authority
FR
France
Prior art keywords
mines
mobile supports
supports
mobile
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
FR999413A
Other languages
French (fr)
Inventor
Karl Maria Groetschel
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 filed Critical
Priority to FR999413A priority Critical patent/FR1418547A/en
Application granted granted Critical
Publication of FR1418547A publication Critical patent/FR1418547A/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
    • E21D23/006—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor provided with essential hydraulic devices
    • E21D23/0069—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor provided with essential hydraulic devices without essential advancing shifting devices
    • 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
    • E21D23/04—Structural features of the supporting construction, e.g. linking members between adjacent frames or sets of props; Means for counteracting lateral sliding on inclined floor
    • E21D23/0409—Aligning or guiding means for the supports or for the constitutive parts of the supports

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)
  • Architecture (AREA)
  • Structural Engineering (AREA)
FR999413A 1964-12-21 1964-12-21 Improvements to mobile supports for mines Expired FR1418547A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR999413A FR1418547A (en) 1964-12-21 1964-12-21 Improvements to mobile supports for mines

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR999413A FR1418547A (en) 1964-12-21 1964-12-21 Improvements to mobile supports for mines

Publications (1)

Publication Number Publication Date
FR1418547A true FR1418547A (en) 1965-11-19

Family

ID=8845248

Family Applications (1)

Application Number Title Priority Date Filing Date
FR999413A Expired FR1418547A (en) 1964-12-21 1964-12-21 Improvements to mobile supports for mines

Country Status (1)

Country Link
FR (1) FR1418547A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1271059B (en) * 1967-02-14 1968-06-27 Bergwerksverband Gmbh Control or regulating device for maintaining a predetermined angle, which the longitudinal axis of a walking cylinder of a hydraulic pit support frame or trestle includes with the longitudinal direction of a walking abutment laid in the longwall

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1271059B (en) * 1967-02-14 1968-06-27 Bergwerksverband Gmbh Control or regulating device for maintaining a predetermined angle, which the longitudinal axis of a walking cylinder of a hydraulic pit support frame or trestle includes with the longitudinal direction of a walking abutment laid in the longwall

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