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FR1249920A - Method of moving the elements of a walking support and equipment allowing the implementation of this method - Google Patents

Method of moving the elements of a walking support and equipment allowing the implementation of this method

Info

Publication number
FR1249920A
FR1249920A FR811034A FR811034A FR1249920A FR 1249920 A FR1249920 A FR 1249920A FR 811034 A FR811034 A FR 811034A FR 811034 A FR811034 A FR 811034A FR 1249920 A FR1249920 A FR 1249920A
Authority
FR
France
Prior art keywords
implementation
moving
elements
walking support
equipment allowing
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
FR811034A
Other languages
French (fr)
Inventor
Roger Adam
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.)
Houilleres du Bassin du Nord et du Pas de Calais
Original Assignee
Houilleres du Bassin du Nord et du Pas de Calais
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 Houilleres du Bassin du Nord et du Pas de Calais filed Critical Houilleres du Bassin du Nord et du Pas de Calais
Priority to FR811034A priority Critical patent/FR1249920A/en
Priority to GB4017060A priority patent/GB966304A/en
Application granted granted Critical
Publication of FR1249920A publication Critical patent/FR1249920A/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)
  • Fluid-Pressure Circuits (AREA)
FR811034A 1959-11-24 1959-11-24 Method of moving the elements of a walking support and equipment allowing the implementation of this method Expired FR1249920A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR811034A FR1249920A (en) 1959-11-24 1959-11-24 Method of moving the elements of a walking support and equipment allowing the implementation of this method
GB4017060A GB966304A (en) 1959-11-24 1960-11-22 Improved travelling shoring-up equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR811034A FR1249920A (en) 1959-11-24 1959-11-24 Method of moving the elements of a walking support and equipment allowing the implementation of this method

Publications (1)

Publication Number Publication Date
FR1249920A true FR1249920A (en) 1961-01-06

Family

ID=8721686

Family Applications (1)

Application Number Title Priority Date Filing Date
FR811034A Expired FR1249920A (en) 1959-11-24 1959-11-24 Method of moving the elements of a walking support and equipment allowing the implementation of this method

Country Status (2)

Country Link
FR (1) FR1249920A (en)
GB (1) GB966304A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3159003A (en) * 1960-08-31 1964-12-01 Gullick Ltd Roof supports for mines
US3197965A (en) * 1961-01-10 1965-08-03 Electro Hydraulies Ltd Self-advancing mine roof supports
DE1205932B (en) * 1962-02-26 1965-12-02 Kloeckner Werke Ag Expansion team for moving longwall mining

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3159003A (en) * 1960-08-31 1964-12-01 Gullick Ltd Roof supports for mines
US3197965A (en) * 1961-01-10 1965-08-03 Electro Hydraulies Ltd Self-advancing mine roof supports
DE1205932B (en) * 1962-02-26 1965-12-02 Kloeckner Werke Ag Expansion team for moving longwall mining

Also Published As

Publication number Publication date
GB966304A (en) 1964-08-12

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